i did some brief test on the 0602.
not too much difference on oc the cpu. i can still get my 8400 stable with my 0404 settings. 4140mhz at 1.368v(460*9).
for memory, id say its between 0404 and 0504. 0504 overclocks memory like crap, especially for 4 dimm. also it has very low performance in everest. with the 0602, i can get my 4 dimms crucial ddr2-800 4-4-4-12 d9s stable at 1100mhz 5-5-5-15, transaction booster enabled 2 (performance level 7) at 2.05v vdimm, 1.4v north bridge, 1200mhz 5-5-5-15 2.05v vdimm boot into windows. also, memory performance in everest is between 0404(highest) and 0504(lowest).
read write copy lantency
9361 9757 9036 53.8
imo, the 0604 is the best bios for p5k-premium.
the 0602 is now officially released on the asus website:
P5K Premium/WiFi-AP BIOS 0612
Improve ATAPI CD-ROM's compatibility with EZ-Flash.
Support new CPUs. Please refer to our website at: http://support.asus.com/cpusupport/cpusupport.aspx.
Add [7 DRAM Clocks] in [CAS# Latency] option.
Add some items for [REF Cycle Time].
Enable better support for FSB1600/DDR-1200 combination.
Enable CPR support for CPU Ratio control.
Fix C1E, TM and EIST can't be disabled issue.
Add option [60 DRAM Clocks] into [REF Cycle Time] setup item.
Fix when using Conroe 3.0GHz CPU with FSB1333MHz the system may not resume from S3.
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