Piix4E Gpio (General Purpose I/O) Pin Definitions; Irq Assignment Map - Acer Aspire 7100 System Service Manual

PIIX4E GPIO (General Purpose I/O) PIN Definitions

Item
GPO28 FANOFFJ
GPO29 BIOSA17
GPO24 DISS0I01
GPI1 GPI1
GPI20 CHKPSW
GPO27 PWRLED

IRQ Assignment Map

IRQx
IRQ0 Timer
IRQ1 Keyboard
IRQ2 Cascade Interrupt Control
IRQ3 Serial Alternate
IRQ4 Serial Primary
IRQ5 Parallel port (Alternate)
IRQ6 Floppy Diskette
IRQ7 Parallel Port
IRQ8 Real Time Clock
IRQ9 Free
IRQ10 Unused
IRQ11 Free
IRQ12 PS/2 Mouse
IRQ13 Math Coprocessor Exception
IRQ14 Hard disk drive
IRQ15 Hard disk drive
Chapter 1
0: Turn off the fan
1: Turn on the fan
0:
0: Disabled
1: Enabled
Reserved
0: Bypass
1: Check password
0: Suspend
1: Normal
System Devices
Description
Add-On-Card Devices
Not applicable
Not applicable
Not applicable
Reserved
Reserved
Reserved
Reserved
Reserved
Not applicable
Reserved
Reserved
Reserved
Reserved
Not applicable
Reserved
Reserved
9