EPSON Endeavor 4SX/25, 4DX/33, and 4DX2/50

VGA Feature Connector (CN8)

VGA Feature Connector Pin Assignments

‘Active low logic

DMA Assignments

Level

Assigned device

DMA0

Spare

(&bit)

DMA1

Spare

(&bit)

DMA2

FDD controller (&bit)

DMA3

Spare (8-bit)

DMA5

Spare (16-bit)

DMA6

Spare (16-bit)

DMA7

Spare (16-bit)

Hardware Interrupts

IRQ no.

Function

IRQ0

Timer output

IRQ1

Keyboard

IRQ3

Serial port 2

IRQ4

Serial port 1

IRQ5

Available (parallel port 2)

IRQ6

FDD controller

System I/O Address Map

4/1/93

EPSON Endeavor-5