FIC M295 用户手册
Software Functional Overview
z
IRQ Map
IRQ#
Description
IRQ 0
System Timer
IRQ 1
Keyboard
IRQ 2
[Cascade]
IRQ 3
PHS (Serial)
IRQ 4
Serial Port
IRQ 5
Audio/VGA/USB
IRQ 6
Floppy Disk Drive
IRQ 7
Parallel Port
IRQ 8
RTC Alarm
IRQ 9
ACPI
IRQ10
LAN / Modem or Combo, (Card Bus), IEEE 1394
IRQ11
Reserved for PCMCIA card
IRQ12
PS/2 Mouse
IRQ13
FPU (FERR)
IRQ14
Hard Disk Drive
IRQ15
CD-ROM or DVD-ROM
3.4 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.
control the device via the GPI and GPO pins.
•
SiS645DX GPI pin assignment
GPIO
Number
Number
Signal Name
Default
I/O
Notes
GPIO0
LPC_PME0
1
I
0 : LPC_PME0 Event Enable
1 : normal operation
1 : normal operation
GPIO1
PMUFLASH0
1
O
0 : Flash PMU08 firmware
1 : normal operation
1 : normal operation
GPIO2
MB_ID0
1
I
0 : Mother Board ID0 Select
1 : normal operation
1 : normal operation
GPIO3
Q_SMI0
1
I
0 : External K/B SMI0
1 : normal operation
1 : normal operation
GPIO4 N.C.
-- --
--
GPIO5
GPRSFW_DET
1
I
0 : Updated GPRS F/W
1 : normal operation
1 : normal operation
GPIO6 N.C.
-- --
--
GPIO7
EC_SCI0
1
I
0 : PMU SCI Detect
1 : PMU SCI Not Detect
1 : PMU SCI Not Detect
GPIO8
PM_RI0
1
I
0 : wakeup event input enable
1 : wakeup event input disable
1 : wakeup event input disable
3-14
FIC M295 / M296 Service Manual