8399 N/B Maintenance

5.3 VIA VT8235CD South Bridge(7)

General Purpose Inputs

 

Signal Name

Pin #

I/O

GPI0 (VBAT)

AE2

I

GPI1 (VSUS33)

AC2

I

GPI2 / EXTSMI#

AA1

I

(VSUS33)

 

 

GPI3 / RING#

Y2

I

(VSUS33)

 

 

GPI4 / LID#

AC1

I

(VSUS33)

 

 

GPI5 /

V4

I

BATLOW#

 

 

(VSUS33)

 

 

GPI6 / AGPBZ#

AD10

I

GPI7 / REQ5#

R3

I

GPI12 / GPO12 /

D4

I

INTE#

 

 

GPI13 / GPO13 /

E4

I

INTF#

 

 

GPI14 / GPO14 /

A3

I

INTG#

 

 

GPI15 / GPO15 /

B3

I

INTH#

 

 

GPI16 /

AE1

I

INTRUDER#

 

 

(VBAT)

 

 

GPI17 /

Y1

I

CPUMISS

 

 

GPI18 / THRM#

Y4

I

/ AOLGPI

 

 

GPI20 / GPO20 /

U1

I

ACSDIN2 /

 

 

PCS0#

 

 

GPI21 / GPO21 /

V3

I

ACSDIN3 /

 

 

PCS1# /

 

 

SLPBTN#

 

 

GPI22 / GPO22 /

R22

I

GHI#

 

 

GPI23 / GPO23 /

P21

I

DPSLP#

 

 

 

General Purpose Inputs (Continued)

Signal Description

Signal Name

Pin #

I/O

Signal Description

General Purpose Input 0. Status on PMIO Rx20[0]

GPI26 / GPO26 /

AD1

I

General Purpose Input 26. Rx95[2] = 1, 95[3] = 0

General Purpose Input 1. Status on PMIO Rx20[1]

SMBDT2

 

 

 

(VSUS33)

 

 

 

General Purpose Input 2. Status on PMIO Rx20[4]

 

 

 

GPI27 / GPO27 /

AC3

I

General Purpose Input 27. Rx95[2] = 1, 95[3] = 0

 

General Purpose Input 3. Status on PMIO Rx20[8]

SMBCK2

 

 

 

(VSUS33)

 

 

 

General Purpose Input 13. RxE4[4] = 0, 5B[1]=0

 

 

General Purpose Input 28. RxE5[3] = 1, PMIO 4C[28] =

Documentwith OD (open drain) general

General Purpose Input 4. Status on PMIO Rx20[11]

GPI28 / GPO28

AC8

I

 

Secret

AB9

I

General Purpose Input 29. RxE5[3] = 1, PMIO 4C[29] =

General Purpose Input 5. Status on PMIO Rx20[12]

GPI29 / GPO29 /

VRDSLP

 

 

1

 

 

Note: Register references above are Device 17 Function 0 unless indicated otherwise.

General Purpose Input 6. Status on PMIO Rx20[5]

Note: Defa

lt pin function is underlined in the signal name column above.

Note: Inp

pin status for the above GPI pins 31-0 is also available on PMIO Rx4B-48[31-0]

General Purpose Input 7. RxE4[2] = 0

Note: See also Power Management I/O register Rx50 for input pin change status for GPI16-19 and

General Purpose Input 12. RxE4[4] = 0, 5B[1]=0

24-27

 

 

 

 

N te: See also Power Management I/O register Rx52 for SCI/SMI select for GPI16-19 and 24-27

 

 

Confidential

Note: See also Power Management I/O register Rx4C. General purpose input pins 20-31 are shared

 

 

 

 

 

General Purpose Input 14. RxE4[4] = 0, 5B[1]=0

 

 

 

 

 

General Purpose Input 15.

RxE4[4]MiTac= 0, 5B[1]=0

Programmable Chip Selects

 

General Purpose Input 16.

Status PMIO Rx20[6]

 

Signal Name

Pin #

I/O

Signal Description

 

 

 

 

PCS0# / GPIO20

U1

O

Programmable Chip Select 0. RxE4[6]=1, E5[1]=1

General Purpose Input 17.

Status on PMIO Rx20[5]

/ ACSDIN2

 

 

 

 

 

 

PCS1# / GPIO21

V3

O

Programmable Chip Select 1. RxE4[6]=1, E5[2]=1

General Purpose Input 18.

Rx8C[3] = 0

/ ACSDIN3 /

 

 

 

 

 

SLPBTN#

 

 

 

 

General Purpose Input 20. RxE4[6]=1, E5[1]=0,

PMIO 4C[20] = 1

General Purpose Input 21. RxE4[6]=1, E5[2]=0

PMIO 4C[21] = 1

General Purpose Input 22. RxE5[3] = 1, PMIO 4C[22] = 1

General Purpose Input 23. RxE5[3] = 1, PMIO 4C[23] = 1

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