Chapter 2 62
Advanced Chipset Features
Selecting “Advanced BIOS Features” from the Advanced Options menu displays the following screen.
The following table describes the parameters found in the sub-menu. Settings in boldface are the default and
suggested settings.
.
Parameter Description Options
CPU L1 & L2 Cache CPU L1 & L2 cache enabled Enabled/ Disabled
Swap Floppy Drive If the system has two floppy drives, choose enabled to
assign physical drive B to logical drive A and vice versa.
Disabled/Enabled
Boot Up Floppy Seek If the item is enabled, BIOS will test floppy drives to
determine whether they have 40 or 80 tracks.
Disabled/Enabled
Boot Up NumLock Status Selects power on state for NumLock. On/ Off
Gate A20 Option Fast: Lets chipset control Gate A20
Normal: A pin in the keyboard controller, controls Gate 20.
Default is fast.
Fast/Normal
Typematic Rate Setting Keystrokes repeat at a rate determined by the keyboard
controller-- when enabled, the typematic rate and typematic
delay can be selected.
*Typematic Rate (Chars/Sec) 6
*Typematic Delay (MSec) 250
Disabled/Enabled
APIC Mode Advanced Interrupt Controller. The I/O APIC handles
interrupts very differently than the 8259. (Refer to ICH4
EDS Rev 1.0 P6-39, 6.8)
Enabled
Disabled
MPS Version Control For OS Multi CPU for NT. system 1.4/ 1.1
OS Select For DRAM >
64MB
Select OS2 only if you are running OS/2 operating system
with greater than 64MB of RAM on the system.
Non-OS2
OS2
Report No FDD for WIN 95 Fow WIN 95 No
Yes