Included tags: BIOS ×
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Trying out the new UMB option in XTIDE BIOS r625

VCFed about 6 months ago

I decided to give this a try to see how well it works. After a little trial and error I can say this is a really cool option if you have writable memory between 640K-1MB. I tried it out in my NuXT v2.0 motherboard which has UMBs enabled for C800-DFFF. I sp …

Trying out the new UMB option in the XTIDE BIOS r625

VCFed about 6 months ago

I decided to give this a try to see how well it works. After a little trial and error I can say this is a really cool option if you have writable memory between 640K-1MB. I tried it out in my NuXT v2.0 motherboard which has UMBs enabled for C800-DFFF. I sp …

Sharp PC-6340: XTIDE not loaded from ROM

VCFed about 6 months ago

Hello everyone I've got a Sharp laptop (acquired allegedly brand new unopened several years ago). I've powered it up and it's got multiple technical issues which are in process of solving or were solved. However, this one issue is troubling me most, it do …

Nan-Tan FMA8100 POST error beep

VCFed about 6 months ago

Got the power supply in for this beast but it won’t start. Throws a 1-1-3 error beep code on me instantly upon powerup. Phoenix ROM BIOS PLUS / PhoenixBIOS 1.xx POST/BEEP Codes According to this page, for my BIOS, this means “CMOS Read/Wr …
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Issues installing DOS6.0 or DOS6.x on 80286 Mainboard over 4GB SD2IDE Adapter

VCFed about 6 months ago

Having issues installing DOS in the above mentioned version on my vintage computer Setup: 3,5" Gotek as drive A 5.25" Floppy as drive B SD2IDE with 4GB noName SDHC Card as drive C: My mainboard with AMI BIOS see following picture: I addresse …

Help with IMP245 + XMODEM for downloading files from my Dial-UP CBBS ...

VCFed about 6 months ago

Hi, I have CBBS working on both my Altair 8800c w/a Martin Eberhard 88-2SIOJP board, and now I'm running CBBS 24/7 on my IMSAI-JAIR computer with a PMMI modem. The CP/M BIOS strips the 8th bit off characters so to work around that, I need to run XMODE …

8087 is no longer working in NuXT v2.0 motherboard

VCFed about 6 months ago

I bought a NuXT v2.0 motherboard back in April 2020. It has worked with no issues since I have gotten it. All of the sudden the 8087 math coprocessor is not working. It is as if it is not even plugged into the socket. Now I now the 8087 itself is Ok, since …

IBM NetVista A40 6578 Invalid BIOS

VCFed about 6 months ago

Hi ALL, I am now getting the pictured error on every boot. After a good cleaning, it booted with this error, and asked for F# to get to the BIOS to set things up. I did not change anything , just saved what was there. it them moved on to boot WIN2K. Afte …
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IBM PC XT 5160 RAM Errors on Bank 0 - It's not RAM?

VCFed about 6 months ago

I'm diagnosing this XT 5160 (64KB-256KB systemboard) that won't post. After replacing the IBM BIOS with Rudd's diag ROM I get a screen and it proceeds to test. It's failing in Bank 0 (2KB) with all chips except Parity shown bad bits. See screen... I've …

WTB: NGCDZ Console w/ Universe BIOS

Neo Geo Forums about 6 months ago

Full kit or just console is fine. Also OK if laser does not work. Thanks! Mike …

BIOS SETUP utility inside IBM PC/AT ROM

VCFed about 6 months ago

Hi everyone, for all the IBM PC/AT afficionados, I came up with a small software stub that allows to load a BIOS SETUP utility inside the ROM BIOS of an AT - a machine that normally required this to be done using an external SETUP disk or application. Thi …

Octek PVGA1C 16 bit card in 8 bit XT slot - almost works, jumpers?

VCFed about 7 months ago

Hello. This Octek PVGA1C 16 bit card works - almost - in an XT clone 8 bit slot (but not all slots physically had room for it due to m/b chips located where the 16 bit extension hangs down). Using the factory BIOS that the computer came with (A PC/XT TUR …

Sega Saturn • Why do I need to manually boot the BIOS file every time before stating a game?

MISTerFPGA about 7 months ago

Why do I need to manually boot the BIOS file every time before stating a game? …

Looking for a basic BIOS source code for a 80188

VCFed about 7 months ago

In the old days you had the CP/M cartridges for the Commodore 64. Too make a long story short, this inspired to create a 80188 cartridge that you stick in the expansion port of the C64. And I need a BIOS for it. I'm very familiar with the 8088, including p …

Need someone who could look at and repair a Fujitsu LifeBook U810

VCFed about 7 months ago

Hiya everybody! I picked up a Fujitsu Life book U810 at the VCF Swap Meet on the 28th (and for only $10!), and I need someone who could look at the unit and perform some repairs. When I got the machine, everything that I could test in the BIOS worked excep …

Which Debug Card to use to repair a Socket 7 Motherboard?

VCFed about 7 months ago

Friends, I am trying to repair my Socket 7 Motherboard - Zida Tomato T530B-S ... T530B-S Zida T530B-S is a motherboard based on the SiS 530/5595 ((Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.) chipset. …

TTX4 swap with SSD Hardrive (ARTAX TTX3 MEGA MULTI)

Arcade Projects about 7 months ago

Hi, I got a TTX4 genuine machine a need some help tu put SSD drive with complete ARTAX multi games. i'm facing 2 problems : 1- i can't acces to the bios. 2- still looking for ARTAX TTX3 MEGA MULTI 1TB img ; can't find right now So my first challenge is …

Harddisc crash in very old 486er PC . Replacement / Bios does not automatically set the new HD-Parameter

VCFed about 7 months ago

My old Siemens-Nixdorf must have a new hard-disk. I prefer an CF-Adacpter with an 256MB CF-Card. Seems to work on an IDE Adapter at Windows7. But that Bios on the old PC does not automatically set the parameters for the Harddisc. I have to set : Type / Cy …

Neo Geo first model MV1H mobo + memory card reader.

Arcade Projects about 7 months ago

The first motherboard snk launched for its MVS system, the MV1. Made entirely of metal, it has the best build quality of all, plus all the options (stereo, bios socket, controller ports and expansion ports). Sold with a memory card reader for ORIGINAL Neo …

IBM 5170 Hangs on Boot, any line in Config.sys that is "Device="

VCFed about 7 months ago

Hi all, Recently made my account and intro post. Finally getting around to asking for some help. I have a 5170 with a type II motherboard and Phoenix BIOS and the 6 Mhz CPU. I have a Monotech XT-IDE rev 4 with a 128 CF card. Recently replaced a bad RAM c …

Checking Bios version in the IBM's

VCFed about 7 months ago

Hi, Is there a dos utility that can provide the current bios infos and version in IBM 5150, 5160 and 5170 ? Thanks …
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Capcom CPS3 Multi with Ultra-bios, full set of simms, cables etc.

Arcade Projects about 7 months ago

CPS3 Mobo with cables, CD with all games, SCSI drive, 1 x Ultra cart and full set of Simms - £800 plus postage. Read more …

Plus Hardcard BIOS

VCFed about 7 months ago

I've been tinkering with Plus Hardcards (most of them are dead for various reasons) and I have a few that will read some tracks but not all. That got me thinking that it was MFM style magnetic field degradation (the style that's fixed with a low level form …

Naomi 2 Error 22 how to fix?

Arcade Projects about 7 months ago

Finally got the Naomi 2 setup going with a non-net dimm CF card etc.. When I turn on the Naomi 2 with default BIOS, I get the error 1. Same for when I put the region bios. I then put the dimm in and get the error 22. With or without the CF card inserted …
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Help - LLA ES3 failing GTX760 graphics card

Arcade Projects about 7 months ago

Greetings from Cairns in sunny Australia! I have inherited a Lost Land Adventure arcade machine which seems to have a failing graphics card. I see this when the system boots up now. I have cleaned GTX760 card and applied some thermal paste but the mag …