Serial Port Settings; Table 5-13 Interrupts List (Irq Assignment When The Apic Is Disabled); Table 5-14 Serial Port Default Settings - Hitachi HF-W6500 Instruction Manual

5. SPECIFICATION

Table 5-13 Interrupts list (IRQ assignment when the APIC is disabled)

Interrupt pin
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15

5.5 Serial Port Settings

The factory default settings for the serial ports are as follows. Do not change those settings.
If you do, the equipment may not work properly.
Name recognized
by the BIOS
Serial port A
Serial port B
(*1) Automatically assigned by the BIOS.
(*2) When there is not an option board, COM2 is always displayed in device managers.
Timer
Not used
Cascade
Serial port 2 (COM2): B
Serial port 1 (COM1): A
Not used
Not used
Not used
Real-time clock
SATA, SCI, All PCI devices
Not used
Not used
Not used
Coprocessor
Not used
Not used

Table 5-14 Serial port default settings

I/O address (*1) IRQ assignment (*1)
3F8h
2F8h
Description
Name recognized
by the OS
IRQ 4 COM1
IRQ 3 COM2
5-10
Note
Standard feature
Option (*2)