Dell 6100 - Interrupt Assignments; Table 1-4. SCSI Backplane Board Connectors; Table 1-5. Interrupt Assignments

1-22 Dell PowerEdge 6100/200 System Service Manual
Interrupt Assignments
Table 1-4. SCSI Backplane Board Connectors
Connector Description
CONTROL PANEL Control panel connector
POWER Power input connector
SCSI Ultra/Wide SCSI cable connector
SERVER MANAGEMENT Server-management bus connector
SLOTnID=n SCA-2 compatible SCSI connectors
Table 1-5. Interrupt Assignments
IRQ Line Used/Available
IRQ0 Used by the system timer
IRQ1 Used by the keyboard controller to indicate that keyboard’s
output buffer is full
IRQ2 Used by interrupt controller 1 to enable IRQ8 through IRQ15
IRQ3 Used by serial port 2
IRQ4 Used by serial port 1
IRQ5 Available for use by expansion card unless this IRQ line is used by
secondary parallel port
IRQ6 Used by the diskette drive controller
IRQ7 Used by the parallel port
IRQ8 Used by the RTC
IRQ9 Available for use by expansion card
IRQ10 Available for use by expansion card
IRQ11 Available for use by expansion card
IRQ12 Used by the mouse port
IRQ13 Used by the math coprocessor to indicate coprocessor error
IRQ14 Available for use by expansion card
IRQ15 Available for use by expansion card