Included tags: BIOS ×
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Five Festive 5150 Boards (BOARD #1 Thread)

VCFed about 4 months ago

Welcome to Board #1! [Link to Original Thread / Board #3] Here's what I know so far: - Motherboard type 64KB-256KB - Known good CPU inserted - Known good RAM populated in Bank0, other banks unpopulated - RDR Doesn't boot up, no beep, LPT says "00&qu …

Anyone have a Paradise Accelerator 24? I need a dump of the BIOS ROM.

VCFed about 4 months ago

I was working on a Paradise Accelerator 24, and I accidentally plugged in the BIOS chip backwards. I think it's fried now, as it doesn't show a picture anymore. Does anyone have an image of the ROM, or have a card from which they can dump the BIOS? The BIO …

Tandy 1000 RLX and RSX BIOS Modifications

VCFed about 4 months ago

Here are a couple of modifications that I've made to the Tandy 1000 RLX and RSX BIOS ROMs. The primary focus was to update the VGA BIOS, and thereby gain access to additional video modes and compatibility/functionality enhancements that had required the us …

Open source BIOS for 80286 (and higher)

VCFed about 4 months ago

In the past I created my own XT BIOS and we probably all know the Anonymous BIOS and Sergey's BIOS, used for his own and other projects. The latest thread about the original source of the Anonymous BIOS made me wonder if there was ever made a try to create …

Two graphics cards at the same time in an XT

VCFed about 4 months ago

I'm still very new to all this, so I apologize if this is a stupid question, but... 1. ...would it be possible for me to attach both a CGA card and a VGA card to my motherboard at the same time? 2. And if so, is there a convenient software/bios* way to s …

Five Festive 5150 Boards (BOARD #5 Thread)

VCFed about 4 months ago

Welcome to Board #5! Here's what I know so far: - Motherboard type 16KB-64KB - Known good CPU inserted - Known good RAM populated in Bank0, other banks unpopulated - RDR RAM Tests Pass (see screenshot below) - Booting with known good "5700671" B …

Sega Saturn • Latest Saturn_DualSDRAM Unstable Build Issue?

MISTerFPGA about 4 months ago

Hi Guys I hope to shed some light on why my mister seems to reset, so the Led's blink and the mister restart's when trying to load the above Saturn core, I have dual ram v2.9. the standard version all loads fine even the Latest Saturn unstable build works …

Severe help need with xtide cards

VCFed about 4 months ago

Simply put, I have a lo-tech XT-CF-lite rev.2 that refuses to allow me to use a 256mb card to boot from or even seen past being visible on the boot screen. (Not working currently) I also have a lo-tech xt-ide rev.3 hard drive board which was seeing a 10gb …

"Anonymous" has been found!

VCFed about 4 months ago

In the course of a discussion in this thread about the DTC Mega-Board PC and its original BIOS (the "MEGA-BIOS"), Finn Jorgensen uncovered the complete source code listing that was sold with the motherboard and BIOS dating to between October 1983 …

Philips P3302-850 PC386 Bios setup

VCFed about 4 months ago

For decades I have this Philips P3302-850 386 PC with Co-Processor 387 Mem 18432 Total, 640k + 17408 ext + 384k extra Holds 2 extra long special mem cards. Thing is battery fail, so replaced the 6Vdc.Batt. Harddisk is a Micropolis 1558 ESDI Should be ; c …
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Later revision Columbia Data Products 1600 Motherboard

VCFed about 4 months ago

So, I decided acquire this Columbia Data Products motherboard off of eBay. It is interesting because it appears to be a significant redesign of the original CDP 1600 motherboard. A few specific things of note: This has a slightly later BIOS than t …

Solid State Solutions for IBM PC 5170

VCFed about 4 months ago

Hello Friends I've spent a good portion of today reading old threads on the XT-IDE being used in the 5162 or the 5170. Lot's of useful information there. The take away is that I'd have to use a non IBM BIOS in order to fully use the XT-IDE. If that isn …

XUBDisk - floppy disk XTIDE Universal BIOS booter

VCFed about 4 months ago

After seeing many people use things like networking cards and similar in order to add XTIDE BIOSes to their computers that either lack IDE BIOSes or that have buggy IDE BIOSes, I was inspired to see if I can make a floppy diskette which would steal a littl …

NW NJ AES help. Vram issue repair help

Neo Geo Forums about 4 months ago

Hey all It's been a while since I been on the forums, moved, married, moved again. I have a US AES system, and when I turn the system on with no cart I get a yellow screen. When playing a cart the video is all messed up. Cart works fine in Jap AES. Is t …
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Genesis / Mega Drive, Sega CD, 32X • Bios freezing after update on Mega CD

MISTerFPGA about 4 months ago

Hello,My issue is similar to the one posted some months ago, because I can get to the "space" screen and then the core freezes. If I try to reload the backup RAM, it displays the disc check message, and then it gets stuck on the loading screen forever. Th …

Looking for resources for Vesta OEM-188 / "RE Robot Brain" FORTH single-board computer

VCFed about 5 months ago

I've recently come into possession of a Vesta OEM-188. This is an interesting little single-board computer, with a write-up included in a few Radio Electronics Magazines back from 1987. The computer boots Forth natively and playing around in Forth is somew …

NeoBiosMasta VMC alternative?

Neo Geo Forums about 5 months ago

Hi, I have an MVS1C and have been looking to add memory "card" support. I've seen the NeoBiosMasta VMC and they seem to be out of stock. Recently, I came across something similar on AliExpress: SNK Subscription Memory Card. https://www.aliexpr …

Assembling a vintage AMD system

VCFed about 5 months ago

The other day I decided to assemble another computer out of spare parts because it makes the goblins in my head shut up for a few hours. Now 've had this MSI KT4AV in my inventory for a few years, and I found an Athlon XP 3200+ to put in it. Well after s …

amstard pc 3000 series pc

VCFed about 5 months ago

by any chance would any of you fellow pc user on here have an Amstrad pc 3000 series pc the 3386 is preferable but i believe the 3286 is also possible. im looking for a rom dump of the bios chips to fix a 2386 but the 3 series has ide support over the mfm …

OS/2 1.x PM16 code matching data

VCFed about 5 months ago

I am writing a 16-bit (PM16) version of PDOS-generic using an OS/2 1.x executable as a pseudo-BIOS and running under Windows 2000 (also tried HX dpmild16 under Freedos). I got a protection violation and thought that I needed the equivalent of mprotect to …

Looking for EMS Driver for VLSI VL82C311L (SCAMP DT-286) chipset

VCFed about 5 months ago

I have a pretty fast 286 board I've been working on with a really late 286 chipset. There a driver online (VLEMM.SYS) for the VL82C311 chip (not VL82C311L), which is the 386SX version of this chip. When I run that driver it says EMS is disabled, regardless …
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Other Console Cores • VTech CreatiVision

MISTerFPGA about 5 months ago

Holy hell, I must thank the creators of the VTech CreatiVision.I run a very small YT channel and enjoy a lot of the content on the MiSTer FPGA. I think at some point when I first got the MiSTer a couple of years ago ( now own two of them ), I worked thro …

Neo Geo MVS / AES / CD • Neo Geo Cue Files

MISTerFPGA about 5 months ago

Hi there,hope this is the right place to come up with my problem. Mabye my last big one Neo Geo Games Module all workingNeo Geo CD Games as CHD all workingButHow to handle Neo Geo CD Games as Cue Bin file folders ? Where to place the needed hardware files …

3COM 3C509B 3c5x9cfg.exe command to reset ROM enable/address?

VCFed about 5 months ago

I stupidly set the BOOT rom address of a ISA 3COM 3C509B to D0000h which conflicts with my VGA card (I was having a bad day?!). With both in BIOS correctly beeps about no video, but I think continues if I ignore it but no display. I do have a MDA card and …
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Systems for sale: Aptiva, PS/2 Model 30, Compaq SFF, Dimension XPS 486

VCFed about 5 months ago

Got a few neat-ish systems for sale, ranging from 8088 to K6-2, all tested to power on and boot to BIOS. Send offer via DM! PS/2 Model 30 Dimension XPS 466v, no video card (but boots fine if you install one): Deskpro PIII SFF / pizzabox IBM Apti …