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Micronics LPM30 System Board Manual
Table 2-16 lists the jumper settings to set the sound controller’s IRQ.
Jumper
Function
Setting
W7
On-board sound IRQ5 (default)
On-board sound IRQ9
1-2
2-3
Table 2-16 Sound Controller IRQ Selection
Table 2-17 lists the jumper settings to set the sound controller’s DRQ.
DRQ Setting
Jumper
DRQ0
DRQ1
(default)
DRQ3
None
W8
1-2
2-3
1-2
2-3
W9
2-3
1-2
1-2
2-3
Table 2-17 Sound Controller DRQ Selection
Table 2-18 lists the jumper settings to enable or disable the buzzer.
Jumper
Function
Setting
W20
Buzzer enabled (default)
Buzzer disabled
close
open
Table 2-18 Buzzer Selection
Table 2-19 lists the jumper settings for BIOS operation.
Jumper
Function
Setting
W18
Flash BIOS write protected (default)
Flash BIOS programmable
open
close
Table 2-19 BIOS Operation Selection