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Usb to parrallel

:: EPE Chat Zone ­:: ­Radio Bygones Message Board :: » EPE Forum Archives 2007-2009 » Archive through 01 February, 2008 » Usb to parrallel « Previous Next »

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steve1957a
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Posted on Monday, 07 January, 2008 - 04:44 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

why is it that a usb to parallel lead will work printers but not my eprom programmer
does anyone do a lead that will work for stuff other than printers as im now having to have 3 separate pcs /laptops for my old stuff just so i can still use them and at about £400 to replace the good eprom programmer i have its to costly to change
ive been told there is no hope of getting them working with usb ports has anyone managed it?
or is it a case of
modern technology being useless for real engineers
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grab
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Posted on Monday, 07 January, 2008 - 07:43 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Quick answer: No, there is no such lead.

Medium answer: Get multiple PCI parallel-port cards and run everything off one PC. That *will* work. I know, because I used to do that before I got a USB-to-printer cable.

Long answer: The problem basically comes down to the original programmer designers.

The parallel port is designed to send and receive data using standard protocols. However these protocols used to have to be coded up by the programmer, using the port I/O addresses. Programmers worked out fairly early on that if they ignored those standards, they could use the parallel port pins to do a lot more funky stuff to control the hardware, and that meant they could cut down on expensive control-logic hardware.

Windows (3.1, 95, 98 and ME) provided a neat interface for printing (or sending other data) using the standard protocols, but they left the parallel port I/O addresses visible so people still used this hack to reduce their hardware costs.

Trouble was that leaving the I/O addresses visible meant that anyone could write to them, and this was a significant source of crashes. I'm sure everyone remembers how unstable Win95/98/ME were! So on WinNT/2K/XP, they banned programs from accessing the I/O addresses. There were (and are) still hacks to get around this, but control hardware had now become cheap, so most manufacturers went away and did things properly, so that their hardware would work with Win2K/XP.

Then people invented USB-to-parallel leads. The software drivers tell Windows it's a printer interface, so your programs can print to it. Great. But it fundamentally *can't* behave like an old parallel port, because it doesn't make any I/O addresses available. Not only that, but USB doesn't work that way, so even if it did make I/O addresses available and you tried writing to them, the software drivers wouldn't know to send anything to the other end. Unless it was blatting I/O address values across the USB bus all the time, of course, which would kill your PC's performance.

Graham.
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dakoder
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Posted on Friday, 11 January, 2008 - 12:55 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Steve you have my sympathy, I always use these hacks on the lpt port as it is bi-directional, very fast and simple to access.

but most new laptops now do not have an lpt port and the MSDOS prompt has become extinct which is why I now use an old ibm thinkpad with win98se (boots up in less than 8 sec and shuts down in less than 1.5 seconds as opposed to 10 @?%$#ing minutes on my other pc)

while you continue to use the same computers which are now designed specificaly for the Mass Muppets of this world the likes of I/O access, port control, memory access, hardware interfaces and development tools etc will fall off the end to make way for internet porn, java on line games BINGO, sky listings and other programs that really make me feel quite sick !!!

Graham

I have toyed with the idea of using a ready made usb to sdcard adaptor (it comes with all the drivers ready for you) and build an interface from sdcard to printer port, then the printer port will look like a data storage device to windows but would actualt be a bi-directional lpt port
if you built this you could then sent your own ascii text files which are the memory dump of the eprom directly to the programmer, I suspect the need for bi-direction is simply a hold function for the internal buffer of the programmer and if you send the data slowly you would not need this bi-direction.



Graham
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steve1957a
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Posted on Friday, 11 January, 2008 - 08:29 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Hi

thanks guys for your input and ideas on this
the main problem is the fact that manufactures no longer support the technology of the past
The old add ons worked ok and many things worked with the software and were fast enough for our needs but backward compatibility is nowhere to be seen its not profit making enough to let people use the old stuff that worked any more
There should be a high tax on new stuff if you have to chuck older working stuff away to be able to use it . How many others who have parrallel port scanners still working but anable to use with xp my 3d one cost new £300 and is still like new but no good with xp
These so called high tech manufactureres are being high tech landfill operators
tax em all now so we can get back to some sanity
untill then i will still buy old laptops that work with my old stuff am i a dinosour or what?
A HELPFULL TIP......follows
Also ive ditched my new hp2400 scanner software and now use vuescan its far more stable and i can now do multiple scans without it locking up after 5 scans
HP has a motto INVENT shame they cant invent something that works with their own scanner
Give vuescan a try you wont be dissapointed mine wasnt listed but still its fine oh joy !!!saved from landfill

regards steve payne
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eagre
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Posted on Saturday, 12 January, 2008 - 02:11 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Steve -

The problem is that many parallel port programmers (e.g. TK3) used direct access to parallel port data and control lines possible on W98. There are workarounds for WXP, if you have a parallel port, but USB/parallel converters usually do not allow them to work. With Vista, as far as I can see, nothing works. I have been installing W98SE over Vista, a mess because you must find a lot of drivers.

It appears to me that MS deliberately made it very difficult to get rid of Vista.

Ed
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hackinblack
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Posted on Saturday, 12 January, 2008 - 12:37 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

the phrase built-in obsolescence could have been adopted by microsoft,not only do they trade solely on supplying the next big thing;they place traps in their software to cause problems for rival vendors.it seems most other companies are simply swept along in their wake;unable to battle such a ruthless monopoly and still see a profit...it is bad for the world,as the PC is now all embracing.
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joe
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Posted on Saturday, 12 January, 2008 - 02:11 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Sorry I'm confused... what has Microsoft or any other software vendor got to do with this.

The removal of LPT and serial ports has nothing really to do with them, they don't give a hoot one way or the other - its just software to them and in fact, MS's operating systems still support LPT and serial ports...

The bottom line is that "most" people dont want these old ports anymore. We are demanding faster and faster data rates and the old interfaces arnt upto it.

This is just the same as new PC's not being supplied with a floopy drive anymore as you cant get anything of value on 1.4Mb.

If you do still need an old port or a floppy drive, there are plenty of plug in cards available for PCI slots, and if your on a laptop, well, some of you with PCMCIA slots can use one of these:
http://www.cooldrives.com/software-dongle-lpt-pcmcia.html

The rest of you should probably have thought about the available ports before you bought your laptop.

As for Microsoft trading on supplying the next big thing, I see that Apples POwerbook G4 dosnt have parallel, serial or a floppy drive, and most of the new motherboards that are rolling off the production lines dont have these ports either. Nothing to do with Microsoft. They just write the operating systems for other peoples hardware.

My 0.02p worth.

Joe
Do one thing each day that scares you – work here !
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eagre
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Posted on Sunday, 13 January, 2008 - 01:35 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Joe -

What MS has to do with this is something called backward compatability. I think that new OS versions should be able to run programs designed for earlier OS versions, since many users are dependent on these programs and to upgrade all of them would be very expensive (if upgrades are, in fact, available). MS Vista has little backward compatibility in any of its "compatibility modes". I have spent many hours trying to make W98 programs run under Vista, and ultimately had to install W98SE over Vista. I am still searching for necessary drivers.


Ed
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joe
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Posted on Sunday, 13 January, 2008 - 08:03 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Ed,
I see what your saying and if we were talking about a word processor from SuperCompany that no longer works then I'd have a bit more sympathy, tho not much to be honest as you probably had a choice to upgrade to Vista or not. If the software doesn’t work and the company that wrote it either no longer exist or don't supply updated versions, then again, that's not Microsoft's fault.
Did the software supplier say their software was Vista compatible ? If they did, it’s back to them, if not what do you expect.

However, were talking about hardware drivers, and Microsoft don't usually write them.

If a hardware device works under XP but no longer runs under Vista for example, then this is down to the hardware manufacturer and their inability, or more like, lack of willing for commercial reasons to supply new drivers.

It would be stupid (Windows would become even more unstable) and probably impossible for Microsoft to continue to offer driver level compatibility for all legacy hardware.

We've suffered from a design decision from the CPU manufacturers (the 640K limit) for god knows how long, and have had to endure all the knock on affects from that. I personally believe that this one design decision has done more to hold back the personal computer than anything.

As for Microsoft making it difficult for you to get rid of Vista, from what you’re saying, in your case, they've made it a piece of cake. If nothing you have works with it, then downgrade to XP. Whilst Microsoft don't actively sell XP any more, they are still happy (well, lets say allow) you to downgrade to XP.

If you want a great example of real backward compatibility issues, look at the UK’s impending “forced” switch to digital TV. All those video recorders, TV Sets etc.. scrap because somebody decided that it would be good for the country as a whole to switch to a new standard. Now that’s annoying. We have no choice.
Even if I decide to keep my old TV and Video recorder to watch the hundred’s of video tapes I have amassed over the years and never watch a TV broadcast again, I still have to pay for a TV license.
Joe
Do one thing each day that scares you – work here !
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dakoder
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Posted on Sunday, 13 January, 2008 - 11:53 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Hi,
If you look at the multi layers of buffers on motherboards that isolate the new improved hardware and faster interfaces it is a shame they did not keep to the backward compatibility theme (it would have been just as easy to find faster logic gates to keep up with the front-side bus rather than leave it all behind with legacy ...
If the usb was parallel and with d0-d7 (8 bits of data) and a few other ctrl lines (oh JUST LIKE AN ORDINARY LPT PORT) we would now have an lpt that was 8 times faster than the current usb !!
It is simply money and muppets that influence technology and niether should have that kind of power!!!!
the lpt port is such a simple easy going interface requires very little hardware. As for usb conectivity they could have created a 16bit or 32 bit printer port with one pin being what we now know as USB this would have met the demands of connectivity (just like the svga connector which is still in use)but would also upen up the hardware for the likes of us....

Graham
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steerpike
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Posted on Sunday, 13 January, 2008 - 12:07 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

>> and never watch a TV broadcast again, I still have to pay for a TV license.

Do you? In South Africa, if you have your Tv set modified (the RF tuner disabled) and certified thus, you no longer require a licence.
So if you choose to use the set for DVD/VHS playback, or a back end for a satellite receiver, you don't need a licence.

I'm confused about this whole LPT argument: my XT, my AT, my 386 and 486 - NONE had LPT ports on them, I had to buy an ISA card to give me LPT and COM ports. So with modern boards: if you want LPT and COM, you buy an expansion card to do it.

(Message edited by steerpike on 13 January, 2008)
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dakoder
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Posted on Sunday, 13 January, 2008 - 03:23 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

In those days a pc was modular and you specified what you wanted, if you did not have a printer or did not need one then the isa or eisa card was not fitted, by the time pci came out the clump of io ports was all on the mother board as was the graphics which shared the memory etc... which all brought down the price of boards.
these days you only get one pci card slot and bugger all else, soon you will get computers with no I/O ports and it will just sit there on your desk doing nothing usefull OH just like they already are..........

as for tv the need for a license is for decoding PAL so if you have the colour resonator removed or
all the guns connected together so you get black a white you can pay for a b&w license only it is the tuner which does the decoding and in order to do that you need an arial which can pick up the signals and this is what you need a license for (all came from the laws regarding radio equipment as far as the government saw it a tv was just like a radio except you could see pictures as well) remove the tuner and you don't need a license as for sky I was told that because you can get bbc1,2 itv and ch4 sky 101,102...104 you need a tv license

Graham from England
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eagre
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Posted on Monday, 14 January, 2008 - 01:41 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Joe -

Backward compatibility means being able to run software for previous versions of the OS from suppliers that no longer exist. Application publishers can not be expected to recode their products every time MS comes out with a new, buggier, version of Windows. Programs written in MS's own VB5 will not run under Vista.

Ed
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grab
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Posted on Monday, 14 January, 2008 - 10:45 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Re backwards compatibility: sure, Microsoft could have made WinNT, Win2K and WinXP backwardly compatible with Win98-style drivers that could do random accesses to RAM and I/O addresses.

But there was a very good reason they didn't, and that was stability. Whilst we all cursed Microsoft every time Win98 crashed, actually it was rarely Microsoft's fault; usually it was the fault of driver or application coders, who'd let their code stomp over someone else's data. Because it was MS getting a bad reputation through this, MS made a deliberate decision to say "we're not going to trust apps and drivers", and put in a load of checks to stop these kind of overwrites happening. The result was that PCs became stable and useable.

The simple fact is that most people *didn't* want to use ancient hardware on their PCs - most simply wanted to get on with their work without losing hours of time to PC crashes. They couldn't do that with Win98, but they could with Win2K and WinXP. If you need to buy a new USB scanner, say, that'll cost you £20 these days, and most people would rather do that than lose hours of work due to a PC crash. The moral of the story is that backwards compatibility is much less important to customers than system stability.

And FWIW, you *can* still buy PCs with parallel ports. Even laptops. And if you have a desktop, you *can* buy parallel port cards. I'm afraid I'm with Joe on this one - if someone buys a PC without checking that it's got all the features they need, the emptor should have caveated a little more! :-/

Graham.
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zeitghost
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Posted on Monday, 14 January, 2008 - 02:11 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Presumably once the switch to digital tv has happened, so long as you don't have a freeview box or a sky box, you will no longer require a tv licence, since your apparatus will no longer be capable of receiving tv signals.

Or is that just blind optimism on my part?

On the b&w tv license front, if you have a video, you still need a colour license, even if you have a b&w tv.

(Unusual, I know... :o) )
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eagre
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Posted on Tuesday, 15 January, 2008 - 12:58 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

I never "chose" to upgrade to Vista. It was the only OS installed by Toshiba on their laptops. I did not appreciate how bad it was. Now I know better. Some computer suppliers, such as Dell, now offer XP instead of Vista - I wish all did.

I believe Vista will go the way of ME.

Ed
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ancientbrit
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Posted on Tuesday, 15 January, 2008 - 07:41 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

I tried out one of those in line USB to Parallel converters. Didn't work on Vista or XP.

Got my money back from Maplin with no trouble, "not fit for purpose" was the reason the shop assistant put on the return paperwork.

It's a shame there is no easy method for constructors to be able to electronically interface with PC. Another avenue cut-off.

I did think about using the VDU connector and allocating part of the visible pix for a data transfer area. The problem here is the frame update rate. But I've not pursued it.

I'm aware of the FTDI USB devices but I suspect that latency would be an issue for the amount of data throughput I have in mind.

Regards

GL
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dingbat
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Posted on Tuesday, 15 January, 2008 - 11:05 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Oh dear what a lot of good advice and the root problem appears to be MS trying to help the average PC-user who only want to print family pics. That USB has taken over is also because it is hot-swappable - whereas almost every other connection need yopu to restart the computer.
If you have a parallel port ( and new Montherboards do have them, although many don't), or use a cheapo LPT1 /PCI card - I wonder if someone can say if Vista running Win98SE would permit Odd-ball LPT1 use?
would it address LPT*/PCI cards?

Alternativly maybe Linux ( like Ubuntu that can be run as a "live" ie off the CD so you can check it out ). . . this "might" give LPT1 operation for all those odd-ball periperals . . .OR someone will have written a Prog. to do it . . . with Linux that's always a possibility, although running the oddball LPT* periperals might be much harder!

It is tempting to believe MS is forcing us to move-on, but I suspect the suggestion here is that periperal vendors were guilty of sloppy programming ( perhaps "unaware, etc"), hence the crashes, although in fairness my PC would crash without any odd-ball periperals. This is sometimes an issue with add-on software eg Flash that will induce stack overruns .....

There are some USB-dongle suppliers who provide an interface at about £20 - (not at all sure this is what Maplin offers I suspect this is a USB-Parallel converter, pure and simple) - but you do need a PIC to drive your periperal. I understand USB requires a licence/registration hence so far USB interfaces appear to work very well. These £20-"adaptors" have the necessary licence and are "probably" the best option if you want to build a USB-external gismo, such as an interface to some old kit. ( the EPROM programmer that started this!). However, this is likely to be a difficult project...beware!

However, most available EPROMs can be programmed quite easily and it should be possible to build a new piece of kit to transfer any new pattern of data. Steve1957a can you say what your EPROMs are and what they do....perhaps?

(Message edited by dingbat on 15 January, 2008)

(Message edited by dingbat on 15 January, 2008)
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eagre
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Posted on Wednesday, 16 January, 2008 - 01:37 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

dingbat -

Serial and parallel connections did not require one to restart their computer with W98, W95, and earlier. USB is undoubtedly advantageous, but it works with W98SE. MS Vista may serve the computer illiterate, but it does so at a very high price to skilled users.

Backward compatitility has always existed to preserve continuity in our culture. If archaic spellings in English (e.g. reed, read, red; Leichester; etc.) were eliminated people would no longer be able to read (reed) Shakespeare (if any bother, anymore).

Ed
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steve1957a
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Posted on Wednesday, 16 January, 2008 - 08:46 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

hi
I use an labtool 48 parallel port programer
for a range of 2732 to 4 meg eproms plus pal
chips and i use a MQP system 2000 programmer
both i suppose old kit nowadays but were very very expensive when new
this all started when i wanted to have them portable and wanted a new laptop to use with them but as stated thats when the problems with not being able to get something modern that would work hence my original ask just incase someone had found a way round it as i had already tried the usb to parallel leads
its a case of software and port wont transfer to new usb
there is an upgrade for the labtool which means you basically buy a whole new board some upgrade ehh
so as i said earlier i will just buy older obselete laptops in future with good old ports and software much cheaper than a total equipment change
I was serious about the premature obsolecence tax though as far too much good kit is scrapped because of corporate greed
where would my kit go although perfectly still usfull for my needs if i couldnt get some older kit to work with it.
How long before they scrap usb and force us all into another change i give them 2 years and we will have another set of leads to fumble with
or as the trend seems at the moment no leads and we will all go wireless stand by for an invasion of the radio spectrum.
stand by landfill for all the old usb printers
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grab
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Posted on Wednesday, 16 January, 2008 - 11:28 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

I think MS weren't really tailoring this to the *average* PC user when they stopped backwards compatibility. Instead, they were particularly aiming at professional people using PCs as part of their job. If Joe Average's PC crashes whilst downloading a pic off his camera, not a big deal. But if Joe Stockbroker's PC crashes whilst he's making a $500,000 trade, or if Joe Engineer's PC crashes 9 hours into a 10-hour compile, then the business suffers.

I'm not sure Shakespeare is a good example of the backwards-compatibility situation here. The ban on leaded petrol is a better comparison, I think. The reason it was put in was to improve quality of life for everyone. It disadvantaged a few people who were particularly attached to their old cars, but in almost all cases it was possible to make some modifications to use the new fuel.

Not that Shakespeare is particularly relevant. IMO, of the "classic" authors, Shakespeare is as relevant today as a well-scripted film, Dickens is as relevant as a quality soap-opera that tries to tackle issues, and Hardy is as relevant as a trash soap-opera lurching through a succession of cheap melodramatic sensations. But that's another subject. ;-)

Graham.

(Message edited by grab on 16 January, 2008)
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steerpike
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Posted on Wednesday, 16 January, 2008 - 03:01 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

> The ban on leaded petrol is a better comparison, I think

Or maybe the ban on tungsten-filament lamps? I know how dumb the users of this forum think THAT idea is.
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dakoder
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Posted on Wednesday, 16 January, 2008 - 06:39 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

The reason leaded petrol was banned was because lead poisons the catalytic convertor where as benzine does not,(it does give you cancer if you breath in the petrol fumes of a long period which is why there is a pathetic rubber ring arround the nozzel to prevent fumes escaping)
NOW you pay for the catalytic convertor yourself which means the government goes green for FREE
and we were all told that lead was bad for the environment which is not the case !!!!!
with all the bloody tax on fuel the government should have foot the bill for going greener.


as for MS,they have consistantly taken the lead in software to keep the monopoly on his empire, you will NEVER-EVER-EVER see microsoft windows in an aeroplane or military system (god help us if it does), as for business I hope they take the lead from schools and universities as LINUX is the main O/S. At exeter university there are windoze and linux, I have not had a system crash on linux yet!!!
windows on the other hand consistantly hangs and it is not even a true multitasking O/S just try and print a large file and watch the whole system grind to a halt.

It is little known but all the micro-code bugs in the 386 (such as the stack pointer poping then incrementing the SP instead of incrementing the SP then popping) which is not a problem until you start indirectly addressing the stack had work arrounds but when the 486 came out they solved these bugs so programs these days have to check what processor they are running under before letting the program loose this is why windows programs are so huge in size, they can carry 10 different versions of the same program because there is no backward compatibility.
It is a real shame because the technology in a modern motherboard and CPU is quite astounding !!!!!! it is like a highly tuned formula one racing car and then putting parafin in the fuel tank and expecting it to perform, so why do we all put windoze on our hardware ?
because there is little else out there !!!
there will never be an alternative O/S because the file formats of the data keep changing so quickly that no-one can keep up with it. the only way to stop this is for every user in the world to stop upgrading (which is now done automaticaly over the net) and stay find alternative ways to solve new problems rather than the quick fix of an upgrade which does not allow adaquate beta testing leading to more misery.....
I mean fancy allowing emails the ability to access files on a hard drive I mean what short sighted moron created that ?
deleting the file solved it but then emptying the waste basket just re-installed it again. I remember placing a small 8086 routine inside a GIF file because a gif file contains the extraction software as a program which can lead to alsorts of grief (not an algorithm which is harmless)
The number of times I have cold booted into dos 6.22 and sorted out a complete mess that windos has caused is too many to count, you cant-delete it from windows as it causes a sharing violation,
we all remember the virus that spread around the world creating mayhem was nothing more than trying to use a file name longer than 256 characters (not enough beta testing before release, too much of a hurry to beat the opposition) US the end user is right at the bottom of the heap for care, just remember everytime you buy software you are funding and underground conspiracy to waste your time and reduce you to tears every now and again.

IN MY oppinion WINDOWS is the only virus which comes with a manual and free technical help !!!!!


Graham
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rob83
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Username: rob83

Post Number: 22
Registered: 09-2006


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Posted on Wednesday, 16 January, 2008 - 07:03 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

"At exeter university there are windoze and linux, I have not had a system crash on linux yet!!!"

Are these Linux boxes in the Harrison building's IT room? As of 2005 they were Dell machines (1.8GHz P4's IIRC) running XP...

(Sorry. Back on topic!...)

(Message edited by rob83 on 16 January, 2008)
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dakoder
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Posted on Wednesday, 16 January, 2008 - 07:03 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Can't edit file to add this link about petrol

see http://www.nexusmagazine.com/articles/ulp1.html


Yes they are in the harrison building (greetings to a fellow student/staff) and I regularly sit down, waste half an hour of my time before going to the linux rooms (blue,red,green) where I can surf net for about 15 minutes and wham my whole hour off is gone and I have done nothing !!!


Graham

(Message edited by dakoder on 16 January, 2008)
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dave_g
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Posted on Wednesday, 16 January, 2008 - 09:44 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

I can add to Steerpikes comment about a ban on tungsten filament lamps. They are not.

Tungsten Halogen lamps are not banned. They are vastly more efficient than the old tungsten lamps they replace, and look virtually the same. Just better. More expensive to buy, cheaper in the medium term.

I know it's semantics to a point, but CFL's are not the only replacement for the common or garden "bulb".
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steerpike
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Posted on Wednesday, 16 January, 2008 - 11:22 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Ahh. You must be correct. I'm speaking from a distance as luckily - so far - there is no talk of phasing out any specific technologies of light bulbs here in SA. And though we don't have leaded fuels, "lead replacement petrol" is still sold at all filling stations, at exactly the same price as unleaded.
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bob9999
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Post Number: 23
Registered: 08-2007

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Posted on Thursday, 17 January, 2008 - 01:06 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Steve1957a, Your initial query seems to have been sidetracked somewhat, this can happen.
If you are interested, check the EPE "Archive thru 22 Sept '07", "Pic USB to Parallel" of 13-9-07, it may help.

Contrary to the above statements, there IS a dedicated USB to Parallel converter out there, costs a bomb, and is used mainly for medical equiptment.
I agree that the USB to Parallel leads currently available are of no use to you, mainly for Printers, differant control set.
Regards, Bob
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steve1957a
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Posted on Thursday, 17 January, 2008 - 10:15 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

hi bob9999

thanks for that i was begining to wonder if i was on the same planet as some of the folks on here
mind you i experienced the same thing on yahoo answers i often wondered if people read the question or read what they thought the question was or wanted to be
if that makes any sense
oh heck im starting to turn into one of them myself
regards

steve payne

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