i am currently working on this board, which would probably be the best 486 board that i can ever get. its now working but i need a little more info to tune it up:

1.about that ps2 mouse port, can anyone who have got it working give me the pin definitions, so i can try to make a convert cable?

2.about dram timing. there are following options in its award bios:
DRAM RAS to CAS Delay : 2/3 CLK
DRAM Write Cycle : 0/1 WAIT
DRAM Write CAS Pulse : 1/2 CLK
DRAM CAS Precharge Time : 1/2 CLK
DRAM RAS to MA Delay : 1/2 CLK
DRAM Speed : slowest/slower/faster/fastest
DRAM Slow Refresh : Disable(this can't be changed)
at 33mhz, setting "DRAM RAS to MA Delay" to 1CLK would cause the system to freeze after finishing post, even if all other options are set to slowest, so i have to get away with 2CLK. i wonder what does this option do, how much impact does have on performance, and what combinations do you owners use to get best performance?

3. about bios updating. this board came with bios v2.1 in eprom, and newest bios is 2.31. so i plan to buy some compatible eeprom/flashrom chips, write with programmer, and replace the old eprom chip. but there are different types of them: different voltage, blocked or non-blocked. can anyone tell me which eeprom models are compatible with board? must i use a 1mbit eeprom that is same size as the bios file, or can 2mbit ones work aswell?

4. about dram support. it works with 32mb fpm simm, but doesn't post with single-sided 64mb edo simm(which worked on another board). however, a scanned manual claimed that it would work with edo aswell. could it be that it needs an updated bios to support edo, or that it has problems with such high density chips(each ram chip is 16m*4bits)? how is ur experience?