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General Purpose Inputs
Signal Name Pin # I/O Signal Description
GPI0 (VBAT) AE2 I
General Purpose Input 0. Status on PMIO Rx20[0]
GPI1 (VSUS33) AC2 I
General Purpose Input 1. Status on PMIO Rx20[1]
GPI2 / EXTSMI#
(VSUS33)
AA1 I
General Purpose Input 2. Status on PMIO Rx20[4]
GPI3 / RING#
(VSUS33)
Y2 I
General Purpose Input 3. Status on PMIO Rx20[8]
GPI4 / LID#
(VSUS33)
AC1 I
General Purpose Input 4. Status on PMIO Rx20[11]
GPI5 /
BATLOW#
(VSUS33)
V4 I
General Purpose Input 5. Status on PMIO Rx20[12]
GPI6 / AGPBZ#
AD10 I
General Purpose Input 6. Status on PMIO Rx20[5]
GPI7 / REQ5#
R3 I
General Purpose Input 7. RxE4[2] = 0
GPI12 / GPO12 /
INTE#
D4 I
General Purpose Input 12. RxE4[4] = 0, 5B[1]=0
GPI13 / GPO13 /
INTF#
E4 I
General Purpose Input 13. RxE4[4] = 0, 5B[1]=0
GPI14 / GPO14 /
INTG#
A3 I
General Purpose Input 14. RxE4[4] = 0, 5B[1]=0
GPI15 / GPO15 /
INTH#
B3 I
General Purpose Input 15. RxE4[4] = 0, 5B[1]=0
GPI16 /
INTRUDER#
(VBAT)
AE1 I
General Purpose Input 16. Status on PMIO Rx20[6]
GPI17 /
CPUMISS
Y1 I
General Purpose Input 17. Status on PMIO Rx20[5]
GPI18 / THRM#
/ AOLGPI
Y4 I
General Purpose Input 18. Rx8C[3] = 0
GPI20 / GPO20 /
ACSDIN2 /
PCS0#
U1 I
General Purpose Input 20. RxE4[6]=1, E5[1]=0,
PMIO 4C[20] = 1
GPI21 / GPO21 /
ACSDIN3 /
PCS1# /
SLPBTN#
V3 I
General Purpose Input 21. RxE4[6]=1, E5[2]=0
PMIO 4C[21] = 1
GPI22 / GPO22 /
GHI#
R22 I
General Purpose Input 22. RxE5[3] = 1, PMIO 4C[22] =
1
GPI23 / GPO23 /
DPSLP#
P21 I
General Purpose Input 23. RxE5[3] = 1, PMIO 4C[23] =
1
General Purpose Inputs (Continued)
Signal Name Pin # I/O Signal Description
GPI26 / GPO26 /
SMBDT2
(VSUS33)
AD1 I
General Purpose Input 26. Rx95[2] = 1, 95[3] = 0
GPI27 / GPO27 /
SMBCK2
(VSUS33)
AC3 I
General Purpose Input 27. Rx95[2] = 1, 95[3] = 0
GPI28 / GPO28
AC8 I
General Purpose Input 28. RxE5[3] = 1, PMIO 4C[28] =
1
GPI29 / GPO29 /
VRDSLP
AB9 I
General Purpose Input 29. RxE5[3] = 1, PMIO 4C[29] =
1
Note: Register references above are Device 17 Function 0 unless indicated otherwise.
Note: Default pin function is underlined in the signal name column above.
Note: Input pin status for the above GPI pins 31-0 is also available on PMIO Rx4B-48[31-0]
Note: See also Power Management I/O register Rx50 for input pin change status for GPI16-19 and
24-27
Note: See also Power Management I/O register Rx52 for SCI/SMI select for GPI16-19 and 24-27
Note: See also Power Management I/O register Rx4C. General purpose input pins 20-31 are shared
with OD (open drain) general
Programmable Chip Selects
Signal Name Pin # I/O Signal Description
PCS0# / GPIO20
/ ACSDIN2
U1 O
Programmable Chip Select 0. RxE4[6]=1, E5[1]=1
PCS1# / GPIO21
/ ACSDIN3 /
SLPBTN#
V3 O
Programmable Chip Select 1. RxE4[6]=1, E5[2]=1
5.3 VIA VT8235CD South Bridge(7)
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