Table 52 - Configuration Registers
Vcc SOFT
POR RESET CONFIGURATION REGISTER
INDEX
TYPE
HARD RESET
LOGICAL DEVICE 1 CONFIGURATION REGISTERS (RESERVED)
LOGICAL DEVICE 2 CONFIGURATION REGISTERS (RESERVED)
LOGICAL DEVICE 3 CONFIGURATION REGISTERS (Parallel Port)
0x30
R/W
R/W
0x00
-
-
0x00 Activate
0x00,0
x00
0x60,
0x61
0x00,
0x00
Primary Base I/O Address
0x70
0x74
0xF0
0xF1
R/W
R/W
R/W
R/W
0x00
0x04
0x3C
0x00
-
-
-
-
0x00 Primary Interrupt Select
0x04 DMA Channel Select
-
-
Parallel Port Mode Register
Parallel Port Mode Register 2
LOGICAL DEVICE 4 CONFIGURATION REGISTERS (Serial Port 1)
0x30
R/W
R/W
0x00
-
-
0x00 Activate
0x00,0
x00
0x60,
0x61
0x00,
0x00
Primary Base I/O Address
0x70
0xF0
R/W
R/W
0x00
0x00
-
-
0x00 Primary Interrupt Select
Serial Port 1 Mode Register
-
LOGICAL DEVICE 5 CONFIGURATION REGISTERS (Serial Port 2)
0x30
R/W
R/W
0x00
-
-
0x00 Activate
0x00,0
x00
0x60,
0x61
0x00,
0x00
Primary Base I/O Address
0x70
0x74
0xF0
0xF1
0xF2
R/W
R/W
R/W
R/W
R/W
0x00
0x04
0x00
0x02
0x03
-
-
-
-
-
0x00 Primary Interrupt Select
0x04 DMA Channel Select
-
-
-
Serial Port 2 Mode Register
IR Options Register
IR Half Duplex Timeout
LOGICAL DEVICE 6 CONFIGURATION REGISTERS (RESERVED)
LOGICAL DEVICE 7 CONFIGURATION REGISTERS (Keyboard)
0x30
0x70
0x72
0xF0
R/W
R/W
R/W
R/W
0x00
0x00
0x00
0x00
-
-
-
-
0x00 Activate
0x00 Primary Interrupt Select
0x00 Second Interrupt Select
KRESET and GateA20 Select
125
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