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©2008 Advanced Micro Devices, Inc.
GPIO/GPOC
AMD SB600 Register Reference Manual Proprietary Page 279
Pin Name
(Note 1)
Multi-function
Selection
Output Enable
(On SMBus
Controller)
Bus 00h/ Dev14h/
Fun00
Input if GPI
(On SMBus
Controller)
Bus 00h/
Dev14h/ Fun00
Output if GPO
(On SMBus
Controller)
Bus 00h/
Dev14h/ Fun00
Power
Domain
GPIO[30:15]/
IDE_D[15:0]
SMBus Reg62h[Bit 7]
0: IDE_D
1: GPIO
RegA2h[Bit15:0]
0: Output
1: Input (Tri-state)
*Note 5
RegA4h[Bit15:0]
RegA0h[Bit15:
0]
S0
GPIO31/
SPI_HOLD#
SMBus Reg83h[Bit 6]
0: SPI_HOLD#
1: GPIO
Reg 82h[Bit 6]
0: Output
1: Input (Tri-state)
Reg 83h[Bit 2] Reg 82h[Bit 2] S0
GPIO32/
SPI_CS#
SMBus Reg83h[Bit 7]
0: SPI_CS#
1: GPIO
Reg 82h[Bit 7]
0: Output
1: Input (Tri-state)
Reg 83h[Bit 3] Reg 82h[Bit 3] S0
GPIO33/
INTE#
SMBus RegBDh[Bit 4]
0: INTE#
1: GPIO
*Note 4
RegBCh[Bit 4]
0: Output
1: Input (Tri-State)
RegBDh[Bit 0]
*Note 4
RegBCh[Bit 0] S0
GPIO34/
INTF#
SMBus RegBDh[Bit 5]
0: INTF#
1: GPIO
*Note 4
RegBCh[Bit 5]
0: Output
1: Input (Tri-State)
RegBDh[Bit 1]
*Note 4
RegBCh[Bit 1] S0
GPIO35/
INTG#
SMBus RegBDh[Bit 6]
0: INTG#
1: GPIO
*Note 4
RegBCh[Bit 6]
0: Output
1: Input (Tri-State)
RegBDh[Bit 2]
*Note 4
RegBCh[Bit 2] S0
GPIO36/
INTH#
SMBus RegBDh[Bit 7]
0: INTH#
1: GPIO
*Note 4
RegBCh[Bit 7]
0: Output
1: Input (Tri-State)
RegBDh[Bit 3]
*Note 4
RegBCh[Bit 3] S0
GPIO37/
DPSLP_OD#
SMBus RegA7h[Bit 4]
0: DPSLP_OD#
1: GPIO
Reg A6h[Bit 4]
0: Output enable
1: Input (Tri-state)
RegA7h[Bit 0] RegA6h[Bit 0] S0
GPIO38/
AC_BITCLK
PM IO Reg59h[Bit 1:0]
00/01/10: AC97 port
11: GPIO
Extend Reg 05h[Bit 1]
0: Output enable
1: Input (Tri-state)
Extend Reg
03h[Bit 1]
Extend Reg
07h[Bit 1]
S0
GPIO39/
AC_SDOUT
PM IO Reg59h[Bit 1:0]
00/01/10: AC97 port
11: GPIO
Extend Reg 05h[Bit 3]
0: Output enable
1: Input (Tri-state)
Extend Reg
03h[Bit 3]
Extend Reg
07h[Bit 3]
S0
GPIO40/
AC_SYNC
PM IO Reg59h[Bit 1:0]
00/01/10: AC97 port
11: GPIO
Extend Reg 05h[Bit 2]
0: Output enable
1: Input (Tri-state)
Extend Reg
03h[Bit 2]
Extend Reg
07h[Bit 2]
S0
GPIO41/
SPDIF_OUT/
PCICLK7
PCIB Reg64h[Bit 8]
0: GPIO or AC97 port
1: PCICLK7
PM IO Reg59h[Bit 0]
0: AC97 port
1: GPIO
Extend Reg 05h[Bit 4]
0: Output enable
1: Input (Tri-state)
Extend Reg
03h[Bit 4]
Extend Reg
07h[Bit 4]
S0