User`s manual

CyberResearch
®
Motherboards MMGA Series
CyberResearch, Inc. 233
25 Business Park Drive P: [phone]; F: [phone]
Branford, CT USA www.cyberresearch.com
E.3 IRQ Mapping Table
IRQ0 System Timer IRQ8 RTC clock
IRQ1 Keyboard IRQ9 ACPI
IRQ2 Available IRQ10 LAN
IRQ3 COM2 IRQ11 LAN/USB2.0/SATA
IRQ4 COM1 IRQ12 PS/2 mouse
IRQ5 SMBus Controller IRQ13 FPU
IRQ6 FDC IRQ14 Primary IDE
IRQ7 Available IRQ15 Secondary IDE
Table E-3: IRQ Mapping Table
E.4 DMA Channel Assignments
Channel Function
0 Available
1 Available
2 Floppy disk (8-bit transfer)
3 Available
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available
Table E-4: IRQ Mapping Table