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T-R-A
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T-R-A
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May 17th, 2009
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February 23rd, 2021,
03:55 PM
T-R-A
replied to a thread
mouse for an IBM XT
in
PCs and Clones
Mice were far less necessary during the first half-decade after the introduction of the IBM PC. AFAIR, Microsoft tried to spur interest by offering...
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8 replies | 135 view(s)
February 22nd, 2021,
05:50 PM
T-R-A
replied to a thread
mouse for an IBM XT
in
PCs and Clones
http://www.mcamafia.de/mycomp/mycomp06.htm Microsoft Bus mouse was likely the most common one in the XT's heyday. ...
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8 replies | 135 view(s)
February 21st, 2021,
09:15 AM
T-R-A
replied to a thread
Best way to shrink my collection
in
PCs and Clones
Personally, I'd suggest #2. Yes, it's a PITA, but you're more likely to find someone who'd take care of the machine. Most decent bidders on there...
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6 replies | 206 view(s)
February 21st, 2021,
09:09 AM
T-R-A
replied to a thread
Install a CDROM in IBM PS/1 Consultant Win 3.1
in
Later PCs
If you mean the CR-563-B series, then an IDE cable may work, but the interface card has to be the proprietary Soundblaster card. It looks like a...
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8 replies | 227 view(s)
February 21st, 2021,
08:32 AM
T-R-A
replied to a thread
Proper Linux for Compaq Proliant 2500
in
Pentium (First generation)
You'll be hard-pressed to find anything "recent" that'll run on it, since (sadly), Linux kernels have gone the way of Windows insofar as hardware...
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9 replies | 238 view(s)
February 17th, 2021,
11:56 AM
T-R-A
replied to a thread
PCjr Monitor Color Convergence Adjustments
in
PCs and Clones
Sure it doesn't (or didn't at first) just need(ed) degaussing?
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4 replies | 98 view(s)
February 14th, 2021,
04:31 AM
T-R-A
replied to a thread
Retreive data from c1993 Compaq Lite 4/33c hard drive
in
Later PCs
Yep. Most USB to IDE drive adapters don't interpret the CHS geometry properly, and even if the drive were somehow "recognized", there's a high...
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22 replies | 473 view(s)
February 14th, 2021,
03:05 AM
T-R-A
replied to a thread
PS/2 Model 25 fan wiring
in
PCs and Clones
Could be (for some strange reason) that the GND to -12V connection can drive more current or to take load off of the +12 to GND connection. For...
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1 replies | 64 view(s)
February 12th, 2021,
03:25 AM
T-R-A
replied to a thread
Retreive data from c1993 Compaq Lite 4/33c hard drive
in
Later PCs
Stick with a DOS/Win9X based retrieval method. You'll have far fewer problems that way. As GiGaBiTe mentions, a "tweener" system is the best way. ...
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22 replies | 473 view(s)
February 7th, 2021,
05:02 PM
T-R-A
replied to a thread
Gateway 2000 486-33 "slimline" service manuals
in
Later PCs
If you attempt to install the AMD CPU without dropping the core voltage, you'll destroy it almost instantaneously.
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5 replies | 172 view(s)
February 6th, 2021,
09:07 AM
T-R-A
replied to a thread
Gateway 2000 486-33 "slimline" service manuals
in
Later PCs
2 problems: 1. The SX25 in the machine may or may not be a surface-mount CPU (QFP). If so, that's going to make replacement impossible unless...
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5 replies | 172 view(s)
February 2nd, 2021,
03:23 PM
T-R-A
replied to a thread
My IBM 300PL and what Upgrades I should do to it?
in
Pentium (First generation)
XP will require more RAM for anything approaching decent performance. Even with 768MB of RAM, that 550MHz CPU is gonna feel mighty slow. Jump to a...
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3 replies | 224 view(s)
January 31st, 2021,
03:31 PM
T-R-A
replied to a thread
Motherboard worth fixing??
in
Later PCs
I repair SMD stuff on a daily basis. While it takes some soldering expertise and careful attention to detail, it's not impossible.
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9 replies | 328 view(s)
January 31st, 2021,
02:11 PM
T-R-A
replied to a thread
Motherboard worth fixing??
in
Later PCs
It may be (depending on the motherboard) that the "bad" slot has to be populated before the system will boot and/or any other RAM would be recognized.
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9 replies | 328 view(s)
January 31st, 2021,
09:56 AM
T-R-A
replied to a thread
Motherboard worth fixing??
in
Later PCs
This is with proper RAM installed? What is the issue with the one slot you have marked with a note/tape?
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9 replies | 328 view(s)
January 31st, 2021,
09:47 AM
T-R-A
replied to a thread
Help finding what’s wrong with an XT clone motherboard
in
PCs and Clones
Glad you got it fixed. So was the power-gnd resistance related to the chip problem? Just by looking at the photo, it almost appears that the pin...
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34 replies | 1366 view(s)
January 30th, 2021,
09:44 AM
T-R-A
replied to a thread
Help finding what’s wrong with an XT clone motherboard
in
PCs and Clones
Don't stop with just the caps. They're used to filter the 5v-GND noise from the logic chips. You could easily still have a chip shorted as well. ...
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34 replies | 1366 view(s)
January 30th, 2021,
03:39 AM
T-R-A
replied to a thread
Help finding what’s wrong with an XT clone motherboard
in
PCs and Clones
Likely, yes. Those types of capacitors are a frequent problem. You'll probably need to remove them one by one and test individually to be sure.
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34 replies | 1366 view(s)
January 29th, 2021,
03:06 PM
T-R-A
replied to a thread
The Compaq Deskpro 8086, finally!
in
PCs and Clones
Yep. Don't know if it was the difference in the tape drives or what...just remember starting around 2:30pm on a Sunday afternoon and getting...
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28 replies | 1508 view(s)
January 29th, 2021,
02:40 PM
T-R-A
replied to a thread
The Compaq Deskpro 8086, finally!
in
PCs and Clones
Yep, I remember when I moved up from a 120MB HDD to a "humongous" 1GB HDD on my 486DX33 (around 1995). Borrowed an external tape drive from where I...
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28 replies | 1508 view(s)
January 29th, 2021,
07:34 AM
T-R-A
replied to a thread
IBM GL 300 PII 400 MHZ 6287-61U Audio driver.
in
Pentium (First generation)
https://m.youtube.com/watch?v=9Dy6OlXhWVk However, if you're not familiar with such or don't have a CD/DVD-burner, this may be of little use.
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11 replies | 355 view(s)
January 29th, 2021,
02:46 AM
T-R-A
replied to a thread
The Compaq Deskpro 8086, finally!
in
PCs and Clones
Well, Compaq's did have odd P/S's, though I've never heard of one needing an additional load in order to start. Had an original one many years ago,...
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28 replies | 1508 view(s)
January 29th, 2021,
01:53 AM
T-R-A
replied to a thread
IBM GL 300 PII 400 MHZ 6287-61U Audio driver.
in
Pentium (First generation)
The internal speaker on almost any machine (except some odd Compaq's) is a diagnostic speaker (i.e....beeper) used to determine if the machine is...
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11 replies | 355 view(s)
January 29th, 2021,
01:26 AM
T-R-A
replied to a thread
The Compaq Deskpro 8086, finally!
in
PCs and Clones
That's a load resistor of some sort. What is/was it connected to?
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28 replies | 1508 view(s)
January 27th, 2021,
12:16 PM
T-R-A
replied to a thread
IBM GL 300 PII 400 MHZ 6287-61U Audio driver.
in
Pentium (First generation)
Integrated sound was still fairly rare in Pentium II machines. Have you opened the case up to see if there is a card or not? Are there any...
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11 replies | 355 view(s)
January 26th, 2021,
06:04 PM
T-R-A
replied to a thread
IBM GL 300 PII 400 MHZ 6287-61U Audio driver.
in
Pentium (First generation)
You need to determine what type of sound card is in the machine (i.e....open it up). IBM used different sound chips through it's different lineup, ...
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11 replies | 355 view(s)
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