Filter
Top Products
Software Functional Overview
GPIO9 N.C. -- -- --
GPIO10 MB_ID1 1 I 0 : Mother Board ID1 Select
1 : normal operation
GPIO11 PM_SLP_S10 1 O 0 : When system into S1
1 : normal operation
GPIO12
STPCPU0 1 O 0 : Stop CPU Clock
1 : normal operation
GPIO13 N.C. -- -- --
GPIO14 SPDMUX0 1
O
SM BUS Select0
GPIO15 N.C. -- -- --
GPIO16 N.C. -- -- --
GPO17 N.C. -- -- --
GPIO18 SPDMUX1 1 O SM BUS Select1
GPIO19
ICH_SMBCLK 1 O
SM BUS Clock
GPIO20 ICH_SMBDATA 1 I/O SM BUS Data
3.4.1 PMU08 GPIO Signal Description
PIN Signal I/O Normal Runtime / Wake event Function
GPIOA0 LID# I LID Switch Low = LCD Close.
GPIOA1 N.C. X
GPIOA2 Mail LED# O Mail LED Low = Mail Arrival
GPIOA3 QGSMI# I M38869M8 Low = Keyboard SMI
GPIOA4 PCMUTE# O
Low = Mute PC
speaker
GPIOA5 PSTMSK# O
Low = PCI Reset Mask,
Hi = PCI Reset Enable
GPIOA6 PCMRI# I OZ711E0
Low = Ring Signal
from PCMCIA
GPIOA7 RI1# I Serial Port
Low = Ring Signal
from Serial Port
GPIOB0 N.C. X
GPIOB1
GPRS_SWEN
A#
O
Low = GPRS Software
Enable
GPIOB2 N.C. X
GPIOB3 PDCOM# O MAX3243
Low = Power down
RS232
GPIOB4 N.C. X
GPIOB5 N.C. X
GPIOB6 PM_SLP_S1# I SIS961
Low = POS, STR and
STD suspend state
GPIOB7 PM_RI# O SIS961
Low = Wake Up Event
(SMI or SCI)
GPIOC0 N.C. X
FIC M295 / M296 Service Manual 3-15