‘Cache Write Cycle Option
‘Cache Read Cycle Option
‘Bus Clock Frequency, Select
Video Cacheable Option:
Bios Cacheable Option
Slow CPU Below [25MHz]
2T(25/20 MHz)
3T(50/10/33 MHz
1T(25/20
MHz, 33 M H z w / 6 4 K B or
256KB Cache)
2T(50/40 MHZ, 33 MHz w/128KB
Cache)
7.15 Ml
z
I /4 CLK (33 MH z
1/5 CLK (20/40 MHz
1/6 CLK (25/50 MHz)
Enabled (default)
Disabled
Enabled (default)
Disabled
Disabled (25/33/40/50 MHz)
Enabled (20 MH z )
Note:
Features marked with * are set by BIOS automatically if “Auto
Config Function” is enabled.
When Auto Config Function is enabled, the BIOS will automatically
detect CPU type, CPU frequency and number of cache banks to set
up
the optimal parameters to help your system achieve an optimum
and reliable operation environment. To set the parameter you want
to meet
your requirement, the Auto Config Function has to be
disabled.
“Hard Disk Type 47 RAM Area” - If the BIOS Shadow RAM is
disabled, the Hard Disk Type 47 parameter table will use regular
RAM. There are two options, 0:300 (lower system RAM) and DOS
1KB (the top 1KB of the
640K base memory).
“Adapter ROM Shadow” - is for shadowing other adapter ROMs. If
you have expansion cards with ROMs on them, you will need to know
the ROM addresses.
After you
have made your selection within the advanced CMOS Setup.
press <ESC> to return to the main menu.
26
80486VESA User’s Manual
