HARD
RESET
0x00
Vbat
POR
-
SOFT
RESET
0x00
CONFIGURATION
REGISTER
Activate
INDEX
0x30
TYPE
R/W
Vcc POR
0x00
Vtr POR
0x00
0x60,
0x61
R/W
0x00,
0x00
0x00,
0x00
0x00,
0x00
-
0x00,
0x00
Primary Base I/O
Address
0x70
0x74
0xF0
R/W
R/W
R/W
0x00
0x04
0x3C
0x00
0x04
0x3C
0x00
0x04
0x3C
-
-
-
0x00
0x04
-
Primary Interrupt Select
DMA Channel Select
Parallel Port Mode
Register
0xF1
R/W
0x00
0x00
0x00
-
-
Parallel Port Mode
Register 2
LOGICAL DEVICE 4 CONFIGURATION REGISTERS (Serial Port 1)
0x30
R/W
R/W
0x00
0x00
0x00
-
-
0x00
Activate
0x60,
0x61
0x00,
0x00
0x00,
0x00
0x00,
0x00
0x00,
0x00
Primary Base I/O
Address
0x70
0xF0
R/W
R/W
0x00
0x00
0x00
0x00
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
-
-
-
Activate
0x60,
0x61
0x00,
0x00
0x00,
0x00
0x00,
0x00
0x00,
0x00
Primary Base I/O
Address
0x62,
0x63
R/W
0x00, 0x00
0x00,
0x00
0x00,
0x00
-
0x00,
0x00
CIR Base I/O Address
0x70
0x74
0xF0
R/W
R/W
R/W
0x00
0x04
0x00
0x00
0x04
0x00
0x00
0x04
0x00
-
-
-
0x00
0x04
-
Primary Interrupt Select
DMA Channel Select
Serial Port 2 Mode
Register
0xF1
0xF2
R/W
R/W
0x02
0x03
0x02
0x03
0x02
0x03
-
-
-
-
IR Options Register
IR Half Duplex Timeout
LOGICAL DEVICE 6 CONFIGURATION REGISTERS (RTC)
0x30
R/W
R/W
0x00
0x00
0x00
-
-
0x00
Activate
0x62,
0x63
0x00,
0x70
0x00,
0x70
0x00,
0x70
0x00,
0x70
Secondary Base
Address for RTC Bank 1
0x70
0xF0
R/W
R/W
0x00
0x00
0x00
0x00
0x00
n/a
-
-
0x00
n/a
Primary Interrupt Select
Real Time Clock Mode
Register
LOGICAL DEVICE 7 CONFIGURATION REGISTERS (Keyboard)
0x30
0x70
0x72
0xF0
R/W
R/W
R/W
R/W
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
-
-
-
-
0x00
0x00
0x00
-
Activate
Primary Interrupt Select
Second Interrupt Select
KRESET and GateA20
Select
173
SMSC [ SMSC CORPORATION ]
