System I/O Address Map - Epson User Manual

System l/O Address Map
Hex address
0 0 0 . O l F
0 2 0 0 3 F
0 2 2 0 2 4
0 4 0 0 5 F
0 6 0 0 6 F
0 7 0 0 7 F
0 8 0 . 0 9 F
OAO OBF
OCO-ODF
OF0
OF1
0 F 8 - O F F
1 F 0 - 1 F 8
1 E 0 - 1 E 7
2 0 0 - 2 0 7
2 7 8 - 2 7 F
2 8 0 - 2 D F
2E1
2E2, 2E3
2 F 8 - 2 F F
3 0 0 . 3 1 F
3 6 0 - 3 6 3
3 6 8 - 3 6 B
3 7 8 - 3 7 F
3 8 0 - 3 8 F
3 9 0 - 3 9 3
3 A 0 - 3 A F
3 8 0 - 3 B F
3 C 0 - 3 C F
3 D 0 - 3 D F
3 F 0 - 3 F 7
3 F 8 - 3 F F
A s s i g n e d d e v i c e
DMA controller 1, 8237
Interrupt controller 1, 8259
R e s e r v e d
Timer, 8254
Keyboard controller,
Real-time clock NMI (non-maskable interrupt)
DMA page register, 74LS612
Interrupt controller 2, 8259
DMA controller 2, 8237
Clear math coprocessor
Reset math coprocessor
Math coprocessor
Primary hard disk interface
Secondary hard disk interface
Game I/O
Parallel printer port 2
Alternate enhanced graphics a d a p t e r
GPIB (adapter 0)
Data acquisition (adapter 0)
Serial port 2
Prototype card
A v a i l a b l e
A v a i l a b l e
Parallel printer port 1
A v a i l a b l e
A v a i l a b l e
A v a i l a b l e
A v a i l a b l e
A v a i l a b l e
A v a i l a b l e
Diskette drive controller
Serial port 1
8242PE
Specifications A-13