Tyan-computer TYAN S1572 ATX Bedienungsanleitung PDF herunterladen (Seite 40)

40S1572-001-01 http://www.tyan.com

6.0 System Resource

6.1. TIMER & DMA CHANNEL MAP

TIMER MAP: TIMER Channel-0 system timer interrupt

TIMER Channel-1 DRAM REFRESH request

TIMER Channel-2 SPEAKER tone generator

DMA CHANNELS: DMA Channel-0 Available

DMA Channel-1 Available

DMA Channel-2 FLOPPY DISK adapter

DMA Channel-3 Available

DMA Channel-4 Cascade for DMA controller 1

DMA Channel-5 Available

DMA Channel-6 Available

DMA Channel-7 Available

6.2 INTERRUPT MAP

NMI: Parity check error

IRQ (H/W) 0 System TIMER interrupt from TIMER-0

1 KEYBOARD output buffer full

2 Cascade for IRQ 9-15

3 SERIAL port 2

4 SERIAL port 1

5 PARALLEL port 2

6 FLOPPY DISK adapter

7 PARALLEL port 1

8 RTC clock

9 Available

10 Available

11 Available

12 PS/2 Mouse

13 MATH co-processor

14 Primary IDE

15 Secondary IDE

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