FIC a440 Service Manual
Hardware Functional Overview
FIC A440 Series Service Manual 4-15
IRQ 4
Serial Port
IRQ 5
Audio / VGA / USB / (LAN/MODEM)
IRQ 6
Floppy Disk Drive
IRQ 7
Parallel Port
IRQ 8
RTC Alarm
IRQ 9
Reserved for PCMCIA card
IRQ10
Cardbus
IRQ11
Reserved for PCMCIA card
IRQ12
PS/2 Mouse
IRQ13
FPU
IRQ14
Hard Disk Drive
IRQ15
CDROM or DVD
4.4.13 GPIO Pin Assignment
The GPI and GPO pins connected to system devices. The BIOS can get device’s status and control the device
via the GPI and GPO pins.
via the GPI and GPO pins.
PMU and GPIO Signal description
Pin Name
Signal Name
Description
Components
GPI [0]
LS120IN#
LS120 module inside.
VT82C686A
GPI [1]
PSCI#
System control interrupt for ACPI events
VT82C686A M38867
GPI [2]
PWRBTN#
Power button release check
VT82C686A
GPI [3]
PWSCI#
System control interrupt for wake-up events
VT82C686A M38867
GPI [4]
IRQ 6
Assign to IRQ 6.
VT82C686A
GPI [5]
PME# PME#
VT82C686A
GPI [6]
CLRTC# Clear
RTC
VT82C686A
GPI [7]
RING# Ring
indicate
VT82C686A
GPI [8]
NC
GPI [9]
LCDID0
LCD Panel ID Pin 0
VT82C686A
GPI [10]
LCDID1
LCD Panel ID Pin 1
VT82C686A
GPI [11]
NC
GPI [12]
NC
GPI [13]
NC
GPI [14]
NC
GPI [15]
NC
GPI [16]
KBID0
Keyboard type data 0
VT82C686A
GPI [17]
KBID1
Keyboard type data 1
VT82C686A
GPI [18]
LCDID 2
LCD Panel ID Pin 2
VT82C686A
GPI [19]
BATT_CHG
Battery Charge LED Indicator
VT82C686A
GPI [20]
CDIN#
CDROM module inside
VT82C686A
GPI [21]
DVDIN#
DVD module inside
VT82C686A
GPI [22]
NC
GPI [23]
NC