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CARD-PCI/GX Hardware Manual
EPSON
Rev.A
10
I/O Address
Register
Function
170h-177h
170h RW
Data Register
171h RO
Error Register
172h RW
Sector Count
Hard Disk
Controller
173h RW
Sector Number
174h RW
Cylinder HIGH
175h RW
Cylinder LOW
176h RW
SDH Register
177h RO
Status Register
177h WO
Command Register
1F0h-1F7h
1F0h RW
Data Register
1F1h RO
Error Register
1F2h RW
Sector Count
1F3h RW
Sector Number
Hard Disk
Controller
1F4h RW
Cylinder HIGH
1F5h RW
Cylinder LOW
1F6h RW
SDH Register
1F7h RO
Status Register
1F7h WO
Command Register
1F8h-277h
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Usable with ISA bus
278h-27Fh
278h RW
LPT2 Data Port
279h RO
LPT2 Status Port
Parallel Port 2
27Ah RW
LPT2 Control
27Bh RW
Automatic Address Strobe Register
27Ch RW
Automatic Data Strobe Register
27Dh RW
Automatic Data Strobe Register
27Eh RW
Automatic Data Strobe Register
27Fh RW
Automatic Data Strobe Register
280h-2F7h
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Usable with ISA bus
2F8h-2FFh
2F8h RO
Receiver Buffer
2F8h WO
Transmit Holding Buffer
Serial Port 2
2F8h RW
Divider Latch Least Significant Byte
2F9h RW
Divider Latch Most Significant Byte
2F9h RW
Interrupt Enable Register
2FAh RO
Interrupt Register
2FBh RW
Line Controller Register
2FCh RW
MODEM Control Register
2FDh RO
Status Register
2FEh RO
MODEM Status Register
2FFh RW
Scratch Register