Epson CARD-GX, Hardware Manual, Page: 17 / 87

CARD-PCI/GX Hardware Manual
EPSON
Rev.A
12
I/O Address Register Function
3F0h RW Status Register A
3F1h RW Status Register B
3F2h WO Digital Output Register
3F3h RW Tape Drive Register
3F4h RW Main Status Register
3F5h RW Data Register
FDD Controller
3F6h RW Alternate Status, Device Control IDE
3F0h-3F7h
3F7h RO Digital Input Resister
(Shared with Hard Disk Controller) IDE 1 section
FDD
3F7h WO Diskette Control Register FDD Controller 3F8h-3FFh
3F8h RO Receiver Buffer
3F8h WO Transmit holding Buffer Serial Port 1
3F8h RW Divider Latch Least Significant Byte
3F9h RW Divider Latch Most Significant Byte
3F9h RW Interrupt Enable Register
3FAh RO Interrupt ID Register
3FBh RW Line Control Register
3FCh RW MODEM Control Register
3FDh RO Status Register
3FEh RO MODEM Status Register
3FFh RW Scratch Register