Does the motherboard "know" that CPU ? You may have to update your BIOS in order to use that CPU. On my Acer/Aopen AP43 it POSTed but then it hanged. I had to update my bios or configure the multiplier to 3x (so it's seen as a DX4) to go beyond

It has the latest BIOS 402.001 and it detects the CPU and reports it just fine.

Looking at the manual and comparing with your picture I see that you have the jumper settings for a Cyrix CPU. I think you should try using the AMD486DXL4 settings (with 2x clock multiplier in order to enable the internal 4x multiplier), but someone who has version 2.0 of the board can confirm the proper settings, as I have an earlier version (1.8 ) with different jumpers.

JP5 and JP6 should be set to 1-2

Thanks everyone for your help. It was the JP5 and JP6 positions. It should have been set to 1-2 like BastlerMike said. Everything works now. 😀

I hate to revive this, but I'm having a similar issue. I've scoured a few threads on this site where folks have discussed the issues with WB Cache on the VL/i-486sv2gx4, and still can't seem to get my jumper settings correct. My computer also freezes on the "loading ms-dos" step of the boot, and will only progress if I disable L2 Cache entirely within CMOS. Everything else works fine. It properly identifies as an am5x86, I've tried removing & replacing cards/ram/cache--no fix.

I've attached my current jumper settings highlighted in yellow--What am I missing?

Did you double check your cache jumper settings to make sure the cache matches those settings. I know mine will exhibit the same behavior if those settings are wrong. Can you take a picture like I did and post it? Lots of eyes are better than just two.

Well... I was about to, but it seems I spoke to soon. I pulled out ALL of the 128kx8 cache chips(1024k total) and replaced them with some smaller 32kx8 chips (256k total). I updated the jumper settings to reflect this, and it powers up no problem. The 128kx8 chips were those ISSI IS61C1024-10N chips--I'm not sure if they are even real. I've never found a datasheet for ISSI 10N chips, only 15N & higher....

I'm wondering now... How I could systematically go about finding which one (or more) of these chips are the culprit, or if I should just purchase an entirely new set of something more well known. Also, what is well known? I've no idea...

Edit/Update: I have a TL866II+ EEPROM programmer and was just playing around with these cache chips. Turns out, there's an option in the software to test SRAM. I chose "W24010" and ran all of my ISSI IS61C1024-10N chips through it---4 are bad. 4 of them are returning fails such as "03# addr.Bus Open Circuit Test Error" & "Data Bus Test Error".

Go figure, but there's my problem. I'll have to buy another batch and test all 9 to make sure they're good before installing. For now, I'm running on 256k of L2 cache.

I have IS61C1024-15N in mine. I remember reading something about the IS61C1024-10N and I wasn’t sure if those were real or not, so I went with the -15N. I ordered mine from China four or five years ago.

I think I'm going to do the same... These 10N's aren't sitting right with me. I'll go ahead and get the 15N's & test them all before installing.