Specifications

Item Setting/Option Function
Enable Keyboard
Numlock
Disable
Specify if Num Lock
is on or off at system
boot time.
2 cps
6 cps
10 cps
15 cps
20 cps
Key Repeat
Rate
30 cps
Define the rate
(characters per
second) at which the
keyboard repeats
while a key is
depressed.
¼ sec
½ sec
¾ sec
Keyboard Repeat
Key Delay
1 sec
Specify the amount
of time (second) that
will pass after a key
is depressed before
the key starts to
repeat.
Enable Enable the system’s
sound system.
Enable Sound
System
Disable Disable the above.
At 220h-22Fh
At 240h-24Fh
At 260h-26Fh
Audio Port
Addresses
At 280h-28Fh
Specify the audio
port address.
At 388h-38Bh
At 408h-40Bh
At 488h-48Bh
FM Alias Port
At 508h-50Bh
Specify the FM port
address.
IRQ 5
IRQ 7
IRQ 9
Audio IRQ
IRQ 10
Specify the audio
IRQ signal.
DMA 0
DMA 1
Playback DMA
DMA 3
Specify the DMA
channels for audio
playback.
DMA 0
DMA 1
Audio Device
Record DMA
DMA 3
Specify the DMA
channels for audio
recording.
Chapter 3: BIOS Utilities 3-13