Table 75 - Configuration Registers
HARD RESET
/ Vcc POR
SOFT
RESET
n/a
INDEX
TYPE
VTR POR
CONFIGURATION REGISTER
0xF1
R/W
0x00
FDD Option Register
0xF2
0xF4
0xF5
R/W
R/W
R/W
0xFF
0x00
0x00
n/a
n/a
n/a
FDD Type Register
FDD0
FDD1
LOGICAL DEVICE 1 CONFIGURATION REGISTERS (IDE1)
0x30
R/W
R/W
0x00
0x00
Activate
0x60,
0x61
0x01,
0xF0
0x01,
0xF0
Primary Base I/O Address
0x62,
0x63
R/W
0x03,
0xF6
0x03,
0xF6
Second Base I/O Address
0x70
0xF0
0xF1
R/W
R/W
R/W
0x0E
0x0C
0x00
0x0E
0x0C
0x00
Primary Interrupt Select
HDCS0 Address Decoder
HDCS1 Address Decoder
LOGICAL DEVICE 2 CONFIGURATION REGISTERS (IDE2)
0x30
R/W
R/W
0x00
0x00
Activate
0x60,
0x61
0x00,
0x00
0x00,
0x00
Primary Base I/O Address
0x62,
0x63
R/W
0x00,
0x00
0x00,
0x00
Second Base I/O Address
0x70
0xF0
R/W
R/W
0x00
0x00
0x00
n/a
Primary Interrupt Select
IDE2 Mode Register
LOGICAL DEVICE 3 CONFIGURATION REGISTERS (Parallel Port)
0x30
R/W
R/W
0x00
0x00
Activate
0x60,
0x61
0x00,
0x00
0x00,
0x00
Primary Base I/O Address
0x70
0x74
0xF0
0xF1
R/W
R/W
R/W
R/W
0x00
0x04
0x3C
0x00
0x00
0x04
n/a
Primary Interrupt Select
DMA Channel Select
Parallel Port Mode Register
Parallel Port Mode Register 2
n/a
LOGICAL DEVICE 4 CONFIGURATION REGISTERS (Serial Port 1)
R/W 0x00 0x00 Activate
0x30
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