PCI/ISA System Board
Page Memory Address
System Interrupts
Interrupt Controller 1
IRQ0-Timer Output (Out 0)
IRQ1-Keyboard (Output Buffer Full)
IRQ2-Interrupt from INTR2
IRQ3-Serial Port 2
IRQ4-Serial Port 1
IRQ5-Parallel Port 2 or 3 *
IRQ6-Diskette Controller
IRQ7-Parallel Port 1 or 2 *
Interrupt Controller 2
IRQ8-Realtime Clock INT
IRQ9-Software Redirected
to INT 0AH (IRQ2)
IRQ10-Reserved
IRQ11-Reserved
IRQ12-PS/2 Mouse
IRQ13-Coprocessor
IRQ14-Primary Fixed Disk
Controller (1F0)
IRQ15-Secondary Fixed Disk
Controller (170) /
Green IRQ **
* The on-board parallel port can be configured to either Parallel Port 1, 2
or 3. The Parallel Port 1 uses I/O address 3BCh, Parallel Port 2 I/O
address 378h, while Parallel Port 3 uses I/O address 278h.
** If you enable the Green function in the CMOS Setup while using a
non-green CPU, it will occupy IRQ15.
H-2
u
Appendix H
I/O Port Address
0081H
0082H
0083H
0087H
0089H
008AH
008BH
Page Memory
DMA Channel 2
DMA Channel 3
DMA Channel 1
DMA Channel 0
DMA Channel 6
DMA Channel 7
DMA Channel 5
Содержание G586VPM
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