Interrupts; Connector Pinouts - Gateway E-9722R User Manual

Interrupts

physically unplug the IDE cable from the system board. Simply disabling the drive by
configuring the BIOS option does not make the interrupt available.
The following table reflects a typical configuration, but you can change these interrupts. Use
this information to determine how to program each interrupt.

Connector pinouts

Main power connector (J48)
82
APPENDIX A: Server Specifications
Address Range (hex)
0E0000h to 0EFFFFh
FC000000h to FFFFFFFFh
Important
If you disable an IDE controller to free the interrupt for that controller, you must
ISA Interrupt Description
IRQ0 8254 timer
IRQ1 Keyboard controller
IRQ2 Cascade for IRQ9
IRQ3 Free
IRQ4 Serial port
IRQ5 VGA
IRQ6 Diskette controller
IRQ7 Free
IRQ8 Real-time clock
IRQ9 Generic, Option for SCI
IRQ10 USB controller
IRQ11 LAN
IRQ12 Mouse controller
IRQ13 Numeric data processor
IRQ14 Primary IDE controller
IRQ15 Free
Pin Signal Name
1 +3.3 V
2 +3.3 V
3 Ground
Amount Function
2 MB Extended system BIOS
64 MB PCI memory space