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Dma assignments, Hardware interrupts, System i/o address map – Epson 8600 User Manual

Page 7: Epson actionpc and actiontower 8600, Dma assignments hardware interrupts

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ActionPC and ActionTower 8600 - 7

DMA Assignments

Hardware Interrupts

IDE hard disk drive settings

Model number

Single drive

Master drive

Slave drive

Conner CFS1275A

C/D jumpered

C/D jumpered

No jumpers

Conner CFS850A

C/D jumpered

C/D jumpered

No jumpers

Conner CFS635A

C/D jumpered

C/D jumpered

No jumpers

Conner CFS541A

C/D jumpered

C/D jumpered

No jumpers

NEC D3747

SW1 on,
SW2–SW4 off

SW1 on,
SW2–SW4 off

SW1–SW4 off

NEC D3745

SW1 on,
SW2–SW4 off

SW1 on,
SW2–SW4 off

SW1–SW4 off

Seagate ST31640A

No jumpers

3-4 jumpered

1-2 jumpered

Seagate ST51270A

No jumpers

3-4 jumpered

1-2 jumpered

Seagate ST3630A

No jumpers

No jumpers

7-8 jumpered

Level

Assigned device

DMA0

Reserved

DMA1

Available

DMA2

Diskette drive controller

DMA3

Available

DMA4

Cascade from DMA1

DMA5

Spare

DMA6

Spare

DMA7

Spare

IRQ no.

Function

IRQ0

Internal timer

IRQ1

Keyboard

IRQ2

Cascade to IRQ9

IRQ3

Serial port 2

IRQ4

Serial port 1

IRQ5

LPT2

IRQ6

Diskette drive controller

IRQ7

Parallel port 1

IRQ8

Real-time clock

IRQ9

Cascaded from IRQ2

IRQ10

Available

IRQ11

Available

IRQ12

PS/2 mouse

IRQ13

Math coprocessor

IRQ14

Primary IDE controller

IRQ15

Secondary IDE controller

System I/O Address Map

Hex address

Assigned device

000 - 01F

DMA controller 1, 8237

020 - 03F

Interrupt controller 1, 8259

022 - 024

Reserved

040 - 05F

Timer, 8254

060 - 06F

Keyboard controller, 8242PE

070 - 07F

Real-time clock NMI (non-maskable interrupt)

080 - 09F

DMA page register, 74LS612

0A0 - 0BF

Interrupt controller 2, 8259

0C0 - 0DF

DMA controller 2, 8237

0F0

Clear math coprocessor

0F1

Reset math coprocessor

0F8 - 0FF

Math coprocessor

1F0 - 1F8

Primary hard disk interface

1E0 - 1E7

Secondary hard disk interface

200 - 207

Game I/O

278 - 27F

Parallel printer port 2

2B0 - 2DF

Alternate enhanced graphics adapter

2E1

GPIB (adapter 0)

2E2, 2E3

Data acquisition (adapter 0)

2F8 - 2FF

Serial port 2

300 - 31F

Prototype card

360 - 363

Available

368 - 36B

Available

378 - 37A

Parallel printer port 1

380 - 38F

Available

390 - 393

Available

3A0 - 3AF

Available

3B0 - 3BF

Available

3C0 - 3CF

VGA adapter

3D0 - 3DF

VGA adapter

3F0 - 3F5

Diskette drive controller

3F8 - 3FF

Serial port 1

6E2, 6E3

Available

790 - 793

Available

AE2, AE3

Available

B90, B93

Available

EE2, EE3

Available

1390 - 1393

Available

22E1

Available

2390 - 2393

Available

42E1

Available

63E1

Available

82E1

Available

A2E1

Available

C2E1

Available

E2E1

Available