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Hacked BIOS for PC-Chips M729 V3.4 / REV:3.4

Posted on 2020-08-09, 04:25

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

… haven't tested this on any other revision of the M729. I have also not tested this with 100MHz … I was dismayed with the numbers I was getting: M729.PNG I figured that this board was woefully underperforming so … where I am at now with this system: M729-MAX.PNG Not a bad improvement overall if I may …

Re: Hacked BIOS for PC-Chips M729 V3.4 / REV:3.4

Posted on 2020-08-09, 14:57

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Good work! I would like to stumble across one of these boards so I could try out your BIOS.

Re: Hacked BIOS for PC-Chips M729 V3.4 / REV:3.4

Posted on 2020-08-09, 20:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Update: In the end, the ET6000 also wanted Deferred Mode off, otherwise text mode would corrupt under MS-DOS Edit. Also, on my board Windows 98SE will hard-lock if any of the Deferred Modes are on. So I guess that's broken too on my board at least. A bit of an update: I tested out some more AGP and …

Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-17, 21:59

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Last month I found this slot-1 motherboard from PCChips. I was excited to build a Windows 98 rig, and I even made plans to add USB and ps/2 support to it. Alas, the mobo won't post. The CPU cooler starts to spin, but there is no display or beeps. I Swapped the memory, video card and checked again …

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-18, 06:25

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

No beeps at all is usually a pretty poor sign. Could be anything, from broken/scratched traces, to a dead/corrupt BIOS chip, to a bad main crystal/clock generator, to broken reset logic, to a bad chip somewhere, etc. Simple things first, before you go much farther down the PC CHIPS rabbit hole: Did …

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-18, 07:16

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ISA 512KB Realtek video card on a slot 1 motherboard? I wouldn't expect much from that, even if you do get it working 😀 Just looked on eBay. I'm surprised that the cheapest Realtek graphics cards are £30, considering that they were the budget cards of the day, and real entry level only.

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-18, 07:22

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had this board (well not exactly "this" one) when it was new (1998). It was a constant struggle to find stable configuration: - not to many cards in PCI slots (I had to use ISA SCSI controller for CD burner), I think it is better to avoid PCI cards at all - anything above Riva 128 or Intel 740 …

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-18, 13:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

No beeps at all is usually a pretty poor sign. Could be anything, from broken/scratched traces, to a dead/corrupt BIOS chip, to a bad main crystal/clock generator, to broken reset logic, to a bad chip somewhere, etc. Simple things first, before you go much farther down the PC CHIPS rabbit hole: Did …

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-18, 14:12

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Steapa wrote on 2021-03-18, 13:50: PCChips mobo + Celeron Convigton 266 + SiS 6326 + 32MB ram = The worst setup for the late 90s? 😁 Well... That was almost identical to mine except for the graphics card 😉 I had S3 Trio 3D 4MB.

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-19, 14:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Cleaned all contacts and connectors. No joy. Today I baked the board in my oven. Still the same thing. Giving up for now... I'm going back to it when I got an EEPROM programmer. thank you for the help everyone.

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-19, 14:13

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Have all the electrolytic capacitors been replaced yet ? especially those around the cpu.

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-19, 14:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Have all the electrolytic capacitors been replaced yet ? especially those around the cpu. No. I could do that. But I don't have an ESR meter to check which capacitor is bad, so I would prob need to recap everything. Would it be worth the trouble? Can some bad capacitors cause the board to not post …

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-19, 17:33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Sorry I shouldn't have suggested that. I'm getting flashbacks from 20yrs ago. Even started reading about the motherboards. I have to stop this torture ! Find yourself another board. Use this for possible components like bios eeprom, pin headers... or leave it next to your bed for when an intruder …

Re: Fixing a PCChips m729 v1.2 mobo?

Posted on 2021-03-19, 18:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Sorry I shouldn't have suggested that. I'm getting flashbacks from 20yrs ago. Even started reading about the motherboards. I have to stop this torture ! Find yourself another board. Use this for possible components like bios eeprom, pin headers... or leave it next to your bed for when an intruder …

Re: PC100 M747 - The bane of my existence

Posted on 2016-01-30, 19:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

… FPS. Pentium III 550 "Katmai" 5.5x100, PC Chips M729 BXCel ALi Aladdin Pro II, 256 MB PC100 CL2-2-2. S3 … OK The Katmai P3 550 kind of saves the M729 because it's fast enough to make this board a decent … Player Classic" and the P3 550 + PC Chips M729....can at least decode a few more frames per second.

Re: PC100 M747 - The bane of my existence

Posted on 2016-04-24, 10:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I recently acquired an M729 as part of a jumble sale. In Malaysia, these … MX and it works just fine and I also own a M729. The Doom performance in DOS with a PCI video card sucked … when I tested the M729 but everything else ran fine. The slow Doom performance could …

Re: PC100 M747 - The bane of my existence

Posted on 2016-01-29, 18:59

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

… is an image of my spare board, it's a PC-Chips M729 REV:1.2. The motherboard isnt marked with the model number so … going to take this beauty out for a spin! :) PC-Chips-M729.JPG

Re: PC100 M747 - The bane of my existence

Posted on 2016-01-29, 19:03

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

… is an image of my spare board, it's a PC-Chips M729 REV:1.2. The motherboard isnt marked with the model number so … going to take this beauty out for a spin! :) PC-Chips-M729.JPG This one looks a lot more familiar :) Now I need to …

Re: PC100 M747 - The bane of my existence

Posted on 2016-01-30, 09:30

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

… the BIOS releases and bug fixes for the PC Chips M729, it explains alot of the issues. Finding these … __________________________________________________________________________________________ Note that you need the latest BIOS for the M729 and update the firmware on the Voodoo Banshee aswell just …

Re: PC100 M747 - The bane of my existence

Posted on 2016-01-30, 13:30

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

… a fast K6-2. I have only done some quick testing with the M729 BXCel ALi Aladdin Pro II Slot-1 board so far but … is faster clock for clock, alot faster. Im running the M729 system as optimized as possible with 2-2-2 memory timings. The unlocked …

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