KA7 beta BIOS RY.B00

1.Delay DRAM read latch- fix kinmax memory module issue.
  (Advanced Chipset Features)
2.MD driving strength:Lo- fix V-TEC memory module issue.
  (Advanced Chipset Features)
3.Supports AGP 4X Fast write (Advanced Chipset Features)
4.K7 CLK_CTL select:optimal- Optimize K7 CPU parameters.
  (Advanced Chipset Features)
5.CPU L2 cache id- L2 cache devider (Softmenu III)
6.Fix SCSI CD-ROM booting fail issue on Adaptec AHA2940 
  series and other SCSI cards.

Any bug report to fae3@abit.com.tw please.
