CONFIGURATION
REGISTER
INDEX
TYPE
HARD
RESET
0x00
VCC POR
VTR POR
SOFT
RESET
0x00
0x30
0x70
R/W
R/W
0x00
0x00
0x00
0x00
Activate
0x00
0x00
Primary Interrupt
Select (Keyboard)
Second Interrupt
Select (Mouse)
KRESET and GateA20
Select
0x72
0xF0
R/W
R/W
0x00
0x00
0x00
0x00
0x00
0x00
0x00
-
LOGICAL DEVICE 8 CONFIGURATION REGISTERS (Reserved)
LOGICAL DEVICE 9 CONFIGURATION REGISTERS (Game Port)
0x30
0x60,
0x61
R/W
R/W
0x00
0x00,
0x00
0x00
0x00,
0x00
0x00
0x00,
0x00
0x00
0x00,
0x00
Activate
Primary Base I/O
Address,
GAME_PORT
LOGICAL DEVICE A CONFIGURATION REGISTERS (PME)
0x30
0x60,
0x61
0XF0
0xF1
R/W
R/W
0x00
0x00,
0x00
-
0x00
0x00,
0x00
-
0x00
0x00,
0x00
0X00
-
0x00
0x00,
0x00
-
Activate
Primary Base I/O
Address PME_BLK
CLOCKI32
Reserved – Reads
Return 0
R/W
R
-
-
-
LOGICAL DEVICE B CONFIGURATION REGISTERS (MPU-401)
0x30
0x60,
R/W
R/W
0x00
0x03
0x00
0x03
0x00
0x03
0x00
0x03
Activate
MPU-401 Primary
Base I/O Address High
Byte
0x61
0x70
R/W
R/W
0x30
0x05
0x30
0x05
0x30
0x05
0x30
0x05
MPU-401 Primary
Base I/O Address Low
Byte
Primary Interrupt
Select
Note 1: CR22 bit 5 and bit 7 are reset on VTR only.
Note:
Reserved registers are read-only, reads return 0.
Page 146
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