try flashrom
by aflash, did you mean asus flash or award flash?
try hot swap
is the board currently running with asus or hp bios?

Looks like its the Asus flash program. This is the screen it locks up on:

It also looks like its running the Asus bios. I haven't seen any HP references anywhere:

I'll give flashrom and hotswap a try tomorrow.

So every link I find of the dos version of flashrom is dead. I don't want to mess with Linux just to flash the bios. Hot swapping isn't an option as I don't have another similar chip. I might get an eeprom programmer at some point but unless anyone else has any ideas I'm out of ways to try and easily flash this motherboard. I should have another mobo coming in that I will try to work with. Its just weird that this isn't working. I might try to flash the 1006 official bios update and see if that works, then try the beta bios after.

Shogun wrote:

So every link I find of the dos version of flashrom is dead. I don't want to mess with Linux just to flash the bios. Hot swapping isn't an option as I don't have another similar chip. I might get an eeprom programmer at some point but unless anyone else has any ideas I'm out of ways to try and easily flash this motherboard. I should have another mobo coming in that I will try to work with. Its just weird that this isn't working. I might try to flash the 1006 official bios update and see if that works, then try the beta bios after.

I have been using this dos version of flashrom. Just make sure it's companioned with CWSDPMI.EXE from https://www.flashrom.org/images/6/61/Csdpmi7b.zip

Thanks for the links and all the help. I tried flashrom but it can't see anything either. It only sees the chipset (SIS). I tried looking for any rom flash protection bios settings or jumpers and didn't see anything. I tried hotflashing but the other SS7 mobo I have has no documentation and I can't get it to boot (M5SIB). I'll save this board for when I get an eeprom programmer and just wait for the Hot597 I ordered to arrive.

Try this version of Asus flash.

http://www.filewatcher.com/m/aflash221.zip.30289-0.html

Sorry for the necrobump I had to stop this project back in the day due to work getting in the way. I've been digging out my stuff and messing with it and your linked aflash version worked so I just wanted to say thanks!

Sorry for digging up old thread, but I have K6+ P5-99VM related observation

I have rev 1.03.
Updated patched bios for "+" support. (Thanks @JSO for AFLASH V2.21 hint.) Followed PCB silkscreen VCORE jumper configuration - no post.
Took out multimeter and measured directly VCORE CPU pin - 0 v reading. No power whatsoever.
With 2.2V configuration MB posted with no issues.

Strangely enough manual gives one more option for 2.1V and this one is working as well. So I settled with that.
I have no experience with K6 CPUS. Back in the days I went Cel300A route, but if I'm reading internet correctly then +0.1V for K6+ is under AMD max voltage spec.

Hi Vutt,

Although the K6-2+/III+ CPU core is designed to run on 2.0V, it also runs well on 2.1V.
The absolute maximum Vcore rating is 2.2V, but this is already stressing the CPU and will probably shorten its life span.

On SS7 motherboards with 4 Vcore jumpers, the lowest possible Vcore setting of 2.0V is usually selected by taking all 4 jumpers off. I have found that several boards didn't work with this setting and that the next higher setting of 2.1V had to be used to properly run the K6-2+/III+.
However, this depends on the type of Vcore controller used on the board and most Super Socket 7 boards do correctly support 2.0V Vcore.

So 2.1V is fine. I’m running my K6-III+/550 at 600MHz on 2.1V Vcore for more than 15 years now, and its still rock solid. 😉

Jan

@Chkcpu

Yeah after reading more about K6+ indeed many have reported K6+ running just fine with slight overvoltage. Thanks for confirming it.
Btw. with 2.1V my 500Mhz K6-2+ version seems to be working sable with 5.5 multiplier. I intend top use it mainly for DOS/Win31 so overclocking is not top priority.