User Guide

FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 66
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
8.2 System Management GPIO
8.2.1 ICH4-M GPIOs allocation
GPIO
Number
Signal Name Default I/O Notes
GPIO0 PANEID0 1 I Panel ID 0
GPIO1 PANEID1 1 I Panel ID 1
GPIO2 PANEID2 1 I Panel ID 2
GPIO3 PANEID3 1 I Panel ID 3
GPIO4 MAIL_LATCH 1 I If pressing Mail button
0 : After calling application, then release it.
1 : Latch Mail function to call application.
GPIO5 INTE_LATCH 1 I If pressing Internet button
0 : After calling application, then release it.
1 : Latch Internet function to call
application.
GPIO6 AGP_BUSY0 1 I AGP_BUSY0 Function
0 : Graphic is busy, so can’t enter D3
1 : Can enter D3
GPIO7 N.C. -- -- --
GPIO8 Q_SMI0 1 I KBC SMI enable
0 : Enable KBC SMI
1 : normal operation
GPIO9 N.C. -- -- --
GPIO10 MB_ID1 1 I 0 : Mother Board ID1 Select
1 : normal operation
GPIO11 LPC_Q_PME0
(PULL HIGH)
1 I LPC PME enable
0 : Enable LPC PME
1 : normal operation
GPIO12 EC_SCI0 1 I 0 : PMU SCI Detect
1 : PMU SCI Not Detect
GPIO13 PM_RI0 1 I Ring in enable
0 : Enable RI function from PMU08
1 : normal operation
GPIO14 Not Implemented -- -- --
GPIO15 Not Implemented -- -- --
GPIO16 FM3565_WP 1 I 0 : A16 swap override
0 : normal operation
GPO17 N.C. -- -- --
GPIO18 STPPCI0 1 O 0 : Stop PCI Clock
1 : PCI Clock Enable
GPIO19 PM_SLP_S10 1 O 0 : When system into S1
1 : normal operation
GPIO20 STPCPU0 1 O 0 : Stop CPU Clock
1 : CPU_DPSLP0
GPIO21 C3_STAT0 1 O 0 : Show C3 status
1 : normal operation
GPIO22 PM_CPUPERF0
(PULL HIGH)
1 O 0 : normal operation
1 : CPU performance
(None)
GPIO23 PM_GMUXSEL 1 O 0 : normal operation
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