Re: 386 Motherboard Repair

Posted on 2022-05-21, 22:23

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thank you for the reply. I did a closer visual inspection yesterday. No traces seem to be damaged and there is no battery acid on the memory slots. I did try powering on the board with no ram, with half the slots populated, no slots populated, with and without a video card. I always get a 02 or 06 …

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Re: Weird OMTi 486 mb

Posted on 2022-05-21, 14:25

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Has anyone ever seen a board like this before? No manufacturer, no 8042 keyboard controller and no obvious CPU clock generator. Of course, all of the jumpers and cache rams are missing too and OPTi not the disk controller company OMTI are there any OPTi 895 motherboard schematics out there anywhere …

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Re: 386 Motherboard Repair

Posted on 2022-05-20, 09:05

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello everyone, I have an MST-386AWP motherboard fitted with an AMD 386 DX 40 which I can't get working. I removed the leaking battery when I got the board a few months ago and cleaned up the battery acid using rubbing alcohol. When I power the board on all I hear is one beep from the PC speaker …

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Re: Help identifiying Socket 7 mainboard

Posted on 2022-05-18, 18:14

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Wolfus wrote on 2022-05-18, 11:48: Hi, I found "02" version of this board. Sadly, PC Patrner website is dead since ferbruary and there are is downloadable stuff on wayback machine 🙁 Do you have a manual? Thanks! All that you need is here https://www.ultimateretro.net/en/motherboards/6604

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Re: Bought these (retro) hardware today

Posted on 2022-05-15, 20:30

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The P4P800-X/Deluxe/VM series has issues writing or reading from EEPROM using the stock winbond chips they come with and sometimes corrupt BIOS. Replacing the stock EEPROM with Amtel chips I got on ebay fixed my boards as they started dying one by one. They do make exceptional boards as well, but …

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Re: Bought these (retro) hardware today

Posted on 2022-05-14, 20:23

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Again, you're reiterating how X brand is worse than Y, I wasn't questioning that aspect. However, did you consider a lot of people don't have access to any of those at reasonable prices ? And that some only have the possibility to buy the "shit quality" version ? Ofc everyone is different and free …

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Re: Bought these (retro) hardware today

Posted on 2022-05-14, 20:10

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For you and others that claim about quality and stuff.. Take for example 3.5 inch Floppy drives, normally brands aside from TEAC and panasonic are garbage, SONY also have fine drives, but rest brands are just bad and dont read anyhing. That is a very subjective take which I don't share, most drives …

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Re: Adding 3.3v to pci

Posted on 2022-03-21, 13:48

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I think this is an error. There should never be 5V on the 3.3V pins of the slot. The issue that scheiss_freak experienced was a result of drilling through the notch on his card and inserting it into the wrong slot. The problem was on his card, not the motherboard. Tell that to Lucky Tech or PCChips …

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Re: FIC 486-GVT not POSTing

Posted on 2022-03-15, 12:07

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Here's the GAL dump from my 486-GVT-2 board (in case it helps). https://www.ultimateretro.net/en/motherboards/2380#downloads

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Re: Ultimate Retro board submissions thread: suggest board edits and/or add new boards here

Posted on 2022-01-27, 12:12

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It would be nice if there was an page for the Intel T440BX (NL440BX) board. There is a page for the Intel N440BX (Nightshade) board and this one is very close except instead of dual processor its single and was known as Nightshade Lite Modified the existing page and added aliases for both Intel and …

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Re: 286 motherboard repairs

Posted on 2022-01-27, 11:31

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

These old PCBs can have subtle damage like cracked traces or vias that are rather difficult to find. It's possible, and a good project for someone who has the patience to go slow and can switch to other things when it's not going well. Otherwise it can be pretty frustrating. What I do with such …

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Ultimate Retro board submissions thread: suggest board edits and/or add new boards here

Posted on 2022-01-17, 23:21

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This thread will be dedicated for motherboard submissions on ultimateretro.net . Now, a few things you should keep in mind: when making submissions for existing boards , make sure to include the URL of the board in your post if you wish to submit a new board which is not in UR (assuming you looked …

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Re: The Ultimate Retro project (formerly known as UH19) - a stason.org/TH99 alternative

Posted on 2022-01-17, 23:08

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I think I'll make a separate thread for board submissions, in order to keep this one cleaner. EDIT: that thread is here.

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Re: Looking for Biostar MB-8500TEC ver3 Manual!

Posted on 2022-01-09, 11:04

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Dusko wrote on 2022-01-09, 08:06: Bios file v4.50PG Awesome board you found there. Added it to UR. https://www.ultimateretro.net/en/motherboards/10195

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Re: The Ultimate Retro project (formerly known as UH19) - a stason.org/TH99 alternative

Posted on 2022-01-03, 17:16

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

UR received another update recently! It doesn't contain new features, its more of a user interface polish: new SVG icons, tab system for the board pages, etc. Filename 1.png File size 62.38 KiB Views 220 views We have as well turned all the images in the right orientation (no longer upside down).

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Re: Help identifying old 386 board

Posted on 2022-01-03, 13:51

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Awesome, thank you!!! I think I might have described things poorly, so a few notes on the diagram image: I think this board has no cache on it. Mine has a 40Mhz xtal on it (20Mhz CPU) SL1 is actually SL17, SL1 is the 8-bit ISA on the left of it. Apart from those minor details, it looks just perfect …

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Re: Help identifying old 386 board

Posted on 2022-01-03, 13:20

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Added on UR https://www.ultimateretro.net/en/motherboards/10136 Is it an "EISA Tech Corporation" with the code 1187? Idk, but there is no evidence to prove it otherwise.

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Re: "CMOS inoperational System Halted" error on Unknown 386 board

Posted on 2022-01-01, 18:44

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'm still suspicious of the missing/cracked tants that you've found. But also might be worth checking the pins on the that 443 closely to check for any soldering issues. From the photo it looks like there's something odd on pins 61&62 which are the crystal connections. Those "bridged" pins go right …

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Re: "CMOS inoperational System Halted" error on Unknown 386 board

Posted on 2021-12-31, 18:21

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by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

snufkin wrote on 2021-12-31, 17:55: Found a possible match on ultimate retro: https://www.ultimateretro.net/en/motherboards/2091 Layout looks the same. Yes, this is a 100% match, both on the jumper labels and the location of the components on the board. This is the board OP has.

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Re: The Ultimate Retro project (formerly known as UH19) - a stason.org/TH99 alternative

Posted on 2021-12-20, 10:45

by

by computerguy08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

To make things clear, a proper chipset database is now on the to-do list for UR, with images and documentation. When will it be ready?, hard to say. We have lots of other things which have a higher priority to implement right now, but it will be coming eventually.

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