Epson ActionPC 2000 Guía de usuario Pagina 111

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System l/O Address Map
Hex address Assigned device
000 - 01 F
DMA controller 1,8237
020 - 03F
Interrupt controller 1,8259
022 - 024 Ali M1217 configuration register
040 - 05F
Timer, 8254
060 - 06F
Keyboard controller, 8042
070 - 07F(CMOS) Real-time clock NMI (non-maskable interrupt) mask
080 - 09F
DMA page register, 74LS612
0A0 - 0BF
Interrupt controller 2,8259
0C0-0DF DMA controIler 2,8237
0F0
Clearmath coprocessor
0F1
Reset math coprocessor
0F8 - OFF
Math coprocessor
1F0 - 1F8
Hard disk
200 - 207
Game I/O
278 - 27F
Parallel printer port 2
2B0 - 2DF
Alternate enhanced graphicsadapter
2E1
GPIB (adapter 0)
2E2,2E3
Data acquisition (adapter 0)
2F8 - 2FF
Serial port 2
300 - 31F
Prototype card
360 - 363
PC network (low address)
368 - 36B
PC network (high address)
378 - 37F
Parallel printer port 1
380 - 38F
SDLC, bisynchronous 1
A-14 Specifications
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