14 Chapter 1
NOTE: N - Not be used
NOTE: N - Not be used
IRQ Assignment Map
IRQx System Devices Add-On-Card Devices
IRQ0 Timer N
IRQ1 Keyboard N
IRQ2 Cascade Interrupt Control N
IRQ3 Serial Alternate Reserved
IRQ4 Serial Primary Reserved
IRQ5 MPU-401(Alternate) Reserved
IRQ6 Floppy Disk Reserved
IRQ7 Parallel Port Reserved
IRQ8 Real Time Clock N
IRQ9 N Reserved
IRQ10 N Reserved
IRQ11 N Reserved
IRQ12 PS/2 Mouse Reserved
IRQ13 Math Coprocessor Exception N
IRQ14 Primary IDE Reserved
IRQ15 Secondary IDE Reserved
DRQ Assignment Map
DRQx System Devices Add-On-Card Devices
DRQ0 N Reserved
DRQ1 N Reserved
DRQ2 FDD N
DRQ3 N Reserved
DRQ4 Cascade N
DRQ5 N Reserved
DRQ6 N Reserved
DRQ7 N Reserved
Main Board Major Chips
Item Controller
System core logic SiS 661FX
Video controller SiS 661FX
Super I/O controller ITE8705
Audio controller SiS 964L
LAN controller RTL8100C
HDD controller SiS 964L
Keyboard controller SiS 964L