Re: IBM pc 330 450dx2 PSU questions

Posted on 2021-09-06, 00:57

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The early soft power PSU that you see often in some computer also in IBM computers of this type are exactly same way as ATX do. These 3 pin connectors are: Turns on when one wire grounded, one of wire is 5Vsb and other wire is ground. Recheck the wires before you wire up the ATX to this old pinout …

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Re: RAM adapter . for 286 motherboard - MB81C1000 , GM71C1000, HM511000, HY531000, MT4C1024, M5M41000, MCM511000, UPD42

Posted on 2021-09-05, 14:30

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Precisely. I have compaq memory expansion board by kingston, only way to fit is original 1MB x 1bit dip memory. Can make adapters but the pins has to be SMT with width of the SOJ 1MB x 1bit on top. Problem is where to find pins that is SMT (bent solder pad). Cheers,

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Re: Quantum Trailblazer 850AT on a 386 DX 40 motherboard shows only 504 MB in dos.

Posted on 2021-09-05, 01:47

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That will work, as 500MB, that's the max on 386, and it will boot still. Cheers,

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Re: Compaq Portable III Motherboard / CPU Problems

Posted on 2021-09-05, 01:46

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Rebuild the irreplaceable Compaq PSU is mandatory by experienced. Spares is non-existent, 286e and 386e ditto to Deskpro M, and any n models, the ones with 2 slots and one 3.5" floppy used on 286n and 386ZS also have PSU plugged directly into 2 slot riser in turn sends juice to the motherboard. Also …

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Re: HP Vectra XM2 — Can’t get Windows 95 to install!!

Posted on 2021-09-04, 18:44

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What is the brand and model of this CF and is it really 4GB? Cheers,

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Re: Can you swap the logic board on an ESDI Hard drive?

Posted on 2021-09-01, 18:21

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This is *not* ESDI drive. This is for PS/2 only of few models that uses this interface. Interfaces directly with MCA bus and need to move a firmware IC and board must be *exact* same look, parts on the board exactly same etc. Reason I was *thinking* ahh ESDI old drives for example imaginary models: …

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Compaq Evo N1015V (ATI and ali chipset) using AMD socket 462 CPU.

Posted on 2021-09-01, 18:09

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Anything useful with this and is it XP only OS machine? Otherwise this goes, as I am sorting through my long term storage. I already have too many XP capable machines (Pentium m and Sandy bridge). I already have some socket 462 boards and one socket 754 that I'll using to build 98se machine. Cheers,

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Re: GeForce4 vs. GeForce FX?

Posted on 2021-09-01, 17:38

by

by pentiumspeed

in Marvin \ Video

in Marvin \ Video

What is this game? Cheers,

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Re: Can you swap the logic board on an ESDI Hard drive?

Posted on 2021-09-01, 17:34

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yes. If same model series. What are these two models? And some pictures will help. Cheers,

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Re: Can you swap the logic board on an ESDI Hard drive?

Posted on 2021-09-01, 17:34

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yes. If same model series. What are these two models and pictures will help. Cheers,

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Re: 32MB SDRAM stick with no SPD information?

Posted on 2021-08-31, 23:35

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This stick does have SPD IC. What board in use and this stick of ram? Cheers,

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Re: Games that NEED a 286?

Posted on 2021-08-31, 23:28

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Back in the day when I had 286-12 as toy computer with OS is DOS as these parts were donated in 1989-90 or so. Ran the old CGA and MDA games perfectly, not too fast but didn't have VGA or EGA because all I had was ATI wonder card and TTL monochrome monitor, 20MB or 40MB Seagate MFM that needed a …

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Re: Motherboard Unable to Use Universal PCI Cards?

Posted on 2021-08-29, 23:46

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Consumer motherboards in general are 5V PCI due to location of PCI notch is 5V only. The 3.3V part is used on server boards. I searched for long time and seen this pattern. Secondly, it is chipset and bios firmware that counts more on ability to initialize the PCI-based video cards. I had seen this …

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Re: File manager better than the windows' file explorer?

Posted on 2021-08-29, 21:43

by

by pentiumspeed

in Milliways

in Milliways

Midnight Commander is for linux. Sorry, had to be Windows. Suggestions?

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File manager better than the windows' file explorer?

Posted on 2021-08-29, 21:32

by

by pentiumspeed

in Milliways

in Milliways

Windows' file explorer still sucks even to this day with the windows 10 on large files moves via USB. Prompted me to do the transfer from the card pulled from mother's dying cellphone. Do you have a recommended file manager that does goes faster and efficient and shows the option such as select all, …

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Re: 3Ghz Northwood P4 prices back in the day.

Posted on 2021-08-29, 19:32

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Bought two 2.8C northwood around 2006 (not sure) or so, around 30 each few months apart from ebay. One went into my donated/recycling picked 8300 for work and other one went to family computer. Don't know why price plunged so quick. Cheers,

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Re: Paint Shop Pro for 98SE

Posted on 2021-08-29, 01:21

by

by pentiumspeed

in Marvin \ Software

in Marvin \ Software

Don't leave these on windows 10, the version was 5.0 something. At one point they were deleted. Not the anti-malware since I legally owned it long ago. Cheers,

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Re: Bought these (retro) hardware today

Posted on 2021-08-28, 19:11

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Warlord, When you are finished with hot station, pull the nozzle off the back on. This breaks the corrosion bond. Always. Do a temperature calibration using lead solder that melts at 188C. 180C not meltable, 190C melting approximately. Chinese stuff were not calibrated. I have a Quick hot air …

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Tualatin CPU support motherboards from Dell and HP

Posted on 2021-08-26, 02:12

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

All I know is 2 boards I identified as Tualatin supported is Dell's 2H240 and one other. Is there more models by Dell and HP that support these? Cheers,

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Re: DECpc LPv/LPv+

Posted on 2021-08-26, 01:31

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Back in the day, I had 80MB on my first 386DX computer I paid new from my work, not many games and voila hard drive is full via floppies. 80MB was large where 20MB and 40MB was the norm for buyers. Shoot for 200MB or 340-370MB. Cheers,

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