Epson EL 4S/33+ Specificatie - Pagina 6

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Epson EL 4S/33+

Drive Option Information

Epson EL 4-S/33+ - 6

Standard diskette drive specifications

DMA Assignments

Level

Assigned device

DMA0

Reserved (8-bit)

DMA1

Reserved (8-bit)

FDD controller (8-bit)

DMA3

Reserved

Cascade for DMA controller 1

Reserved (16-bit)

DMA6

DMA7

Reserved (16-bit)

Hardware Interrupts

IRQ no.

Function

Timer output

lRQ0

IRQ1

Keyboard

IRQ2

Cascade from IRQ controller 2

IRQ3

Serial port 2

IRQ4

Serial port 1

IRQ5

Parallel port 2

IRQ6

FDD controller

12/93

(8-bit)