Need info for 6VABX2 Motherboard

Luckystar / 6vabx2
January 8, 2009 at 20:58:04
Specs: DOS/Windows98, PII-450/32MB PC-100
I just bought another motherboard for my old PC...

It has 1 AGP2x, 5PCI 2ISA and 2USB. It is supposed to be LuckyStar 6VABX2 ATX Form Factor motherboard with VIA 692BX chipset.

It had a Pentium-II MMX 450MHz installed already, and I also bought a HuntKey LM-3201-1 ATX power supply for it.

A 32MB PC-100 DIMM was installed, but I don't know if I'm able to slow my 128MB PC-133 SDRAMs down to 100MHz to make it backward compatible with this motherboard... (I found that Pentium-II 450MHz has a FSB of 100MHz and the DIMM/SDRAM frequency must be at the same speed of the CPU FSB to make the system stable).

I had an Inno3D Tornado GeForce2 MX400 PCI (64MB), and I wonder if it can work at full speed... (I installed it on my old V30 motherboard... It worked, but very slow.)

I had a Hitachi Deskstar (40GB) IDE hard disk (used and installed a WD Dynamic Drive Overlay in my old motherboard), and I wonder if this motherboard can support it without an overlay or something... or it supports external IDE controllers. I bought an Ultra-133 PCI IDE controller about 2 weeks ago.

The manual I got from a website said it supports up to 8.4GB in LBA (It still has the limit of 1024 cylinders), but the man I bought it from said a 20GB hard disk can work properly on this motherboard. Besides, he said this motherboard has UDMA-33 support.

This motherboard is 6VABX2 ver2.0. I wonder if it is capable of updating to ver3.0, which allows support for hard disks up to 128GB.

Please tell me more about that.

See More: Need info for 6VABX2 Motherboard

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January 8, 2009 at 22:38:11
Your PC133 memory will automatically underclock to 100 Mhz to match the CPU.

If the manual said that it will support up to 8.4GB LBA, then you must use an overlay to support a 40GB drive. However, your PCI IDE Controller Card may support a 40GB hard drive, depending on how old the card is.

PCI graphics cards are pretty slow, for best performance I'd recommend an AGP card since it has a higher throughput.

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January 9, 2009 at 04:18:57
Actually GeForce2 MX 400 is the only chipset that supports PCI. And I wonder if later cards like nVidia GeForce3, Quadro2/MXR/EX/Pro could work fine in AGP2x architecture... (Actually they are mainly designed for AGP4x architecture, and it may be much slower to work on AGP2x). I don't know if GeForce 3, Quadro2/MXR/EX/Pro still have the support for 8-bit paletted textures (AFAIK since GeForce FX 5200, this feature is no longer supported). Otherwise some old things like FF7/FF8 may no longer playable...

Besides, the mainboard has "6VABX2 Ver2.0" written on it, meaning that BIOS 6VABX2 v2.0 is installed by default, and there is a v3.0 BIOS that increases the hard drive size limit to 128GB. The archive has its AWDFLASH included... I wonder if it is correct or safe to upgrade it and then finally release my 40GB hard disk from the WD DDO...

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January 9, 2009 at 10:45:47
Yes, a BIOS update will definitely work as well. Just make sure you have a good working floppy drive and a brand new floppy disk because if anything goes wrong, your motherboard is toast. Also make sure you back up the old BIOS when AWDFLASH asks you to because if something goes wrong and the motherboard has a BIOS flash recovery feature, you can use that to recover. But if your motherboard doesn't have a BIOS recovery feature and something goes wrong during the process, your motherboard is ruined. Also make sure that you don't have frequent power outages or brown-outs as well.

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Related Solutions

January 15, 2009 at 00:32:37
The BIOS version string is #LGA2-13.

I don't know if #LGA3-03 BIOS update is suitable for this motherboard. Also, I got a Seagate Barracuda 60GB, but the system crashes when attempting to detect it... This must be a BIOS problem, as my old Maxtor 91021U2 (10.2GB) can be detected properly and work fine on this board.

I'll update it from my hard disk and then test it, if everything is right.

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January 16, 2009 at 00:39:39
It's very unfortunate.

The flash process wasn't successful, and the board cannot boot now...

When I tried to update it yesterday, I decided to back up the old BIOS, but the AWDFLASH (about v8.12, and the design BIOS string is correct) failed to save the BIOS, leaving a 0-byte file, so I have to program it without saving...

In the progress bar, the second part was failed to write (I was wondering if this is the reason that AWDFLASH failed to save the BIOS) while others are successful with only one that is not changed... and now, when I turn on the computer, it beeps 1 long and 2 short, then it asks my floppy disk for something. If no floppy disk installed, it beeps something strange, and when I inserted a floppy disk with a BIN file for this board, the floppy disk just beeps once then halted, leaving the floppy disk busy light green with no other noise produced... (It doesn't seem to be reading something, but this seems to be a potential BIOS recovery attempt... and sometimes it starts up with nothing...)

It seems impossible for me to get another LGA2-13 BIOS for this board to recover it from its very original state... and now I'm wondering if there's something wrong (like something similar to bad sector) in its Winbond Flash...

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January 16, 2009 at 13:14:30
Did you use a new floppy disk?
The fact that it still beeps and tries to access the floppy drive shows that it has a BIOS recovery feature. If you can find the old BIOS version somewhere, you may be able to flash it again. But if I were you, I wouldn't have flashed the BIOS unless I could've saved the old BIOS correctly.

The BIOS chip can only be flashed a certain number of times. So if it failed to flash the first time, it may fail again. I have though had problems with AWDFLASH, but have heard of it working fine for lots of other people. If I flash the BIOS, I always use UniFlash.

If you have an old ISA video card, you ought to be able to install that and get video.

If the fan on the CPU no longer runs because of the bad BIOS flash, be careful because you could burn the CPU, even the slot 1 types. One time I accidentally flashed a slot 1 motherboard with the wrong version and wouldn't do anything except beep and access the floppy drive. The CPU fan quit working and the CPU got real hot. I figured out that the reason why the floppy drive kept being accessed was because it was wanting a BIOS recovery disk. I created the recovery disk, and in order to restore the BIOS, I had to hold a table fan at point blank right at the processor during the recovery process.

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January 16, 2009 at 22:06:39
I really need to get some info about the BIOS recovery method of 6VABX2...

The floppy just beeps once then becomes quiet, only the floppy light is still green...

The CPU fan is still working. I remembered having bought an EVOC IPC-586VDH(D), an ISA card with a DIMM slot, Keyboard/Mouse input and a VGA output... (According to the web, it seems to be a CPU card with a Rise mP6...)

Anyway, I'll try. I got a older BF2-08, or otherwise, flash the new BIOS again...

Besides, I'm wondering what a BIOS recovery floppy disk for 6VABX2 supposed to have...

EDIT: If this message has become an old message which cannot be replied, please PM me.

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January 17, 2009 at 19:49:14
When the motherboard has detected that it has a bad BIOS, it loads a small and limited spare BIOS that is located in a part of the flash chip called "boot block." This part of the BIOS is read-only. It works just like a standard BIOS, except that it only facilitates the use of a floppy drive, keyboard, and ISA video card.

Check here to read about it:

Have you checked this page out?

If you can find the old BIOS version, click the link below, download the file, and run it to create a bootdisk. Use a blank, formatted, new floppy...

Put the downloaded BIOS file on the disk too.

You can use any flasher program that you want. I suggest UniFlash. Put the flasher utility on the floppy too. If you don't have an ISA video card that works, you can automate it if you want.

If your ISA video card works, type this in at the A: prompt, otherwise, put it in the autoexec.bat file:

uniflash -e bios.bin

If the onboard speaker works, you'll get audible feedback.

I suggest you go over UniFlash's readme file first before using this tool.

You can get UniFlash here:

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