Intel BLKD946GZABL Datasheet download pdf (Page 44)

Intel Desktop Board D946GZAB Technical Product Specification

2.5 Interrupts

The interrupts can be routed through either the Programmable Interrupt Controller

(PIC) or the Advanced Programmable Interrupt Controller (APIC) portion of the ICH7

component. The PIC is supported in Windows 98 SE and Windows ME and uses the

first 16 interrupts. The APIC is supported in Windows 2000 and Windows XP and

supports a total of 24 interrupts.

Table 13. Interrupts

IRQ System Resource

NMI I/O channel check

0 Reserved, interval timer

1 Reserved, keyboard buffer full

2 Reserved, cascade interrupt from slave PIC

3 COM2

(Note 1)

4 COM1

(Note 1)

5 LPT2 (Plug and Play option)/User available

6 Diskette drive

7 LPT1

(Note 1)

8 Real-time clock

9 Reserved for ICH7 system management bus

10 User available

11 User available

12 Onboard mouse port (if present, else user available)

13 Reserved, math coprocessor

14 Primary IDE/Serial ATA (if present, else user available)

15 Secondary IDE/Serial ATA (if present, else user available)

(Note 2)

USB UHCI controller 1 / USB UHCI controller 4 (through PIRQA)

(Note 2)

AC ‘97 audio/modem/User available (through PIRQB)

(Note 2)

ICH7 USB controller 3 (through PIRQC)

(Note 2)

ICH7 USB controller 2 (through PIRQD)

(Note 2)

ICH7 LAN (through PIRQE)

(Note 2)

User available (through PIRQF)

(Note 2)

User available (through PIRQG)

(Note 2)

ICH7 USB 2.0 EHCI controller/User available (through PIRQH)

Notes:

Default, but can be changed to another IRQ.

Available in APIC mode only.

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 89 90

Comments to this Manuals

No comments

Intel BLKD946GZABL Datasheet Page 44

Comments to this Manuals

Related products and manuals for Motherboards Intel BLKD946GZABL