NH82801FBM S L89K Intel, NH82801FBM S L89K Datasheet - Page 353

• Manufacturer Part Number: NH82801FBM S L89K
• Manufacturer: Intel

Specifications of NH82801FBM S L89K

• Lead Free Status / RoHS Status: Compliant

10.1.18
Intel
®
I/O Controller Hub 6 (ICH6) Family Datasheet
PIRQ[n]_ROUT—PIRQ[E,F,G,H] Routing Control Register
(LPC I/F—D31:F0)
Offset Address:
Default Value:
Lockable:
6:4
3:0
Bit
7
Interrupt Routing Enable (IRQEN) — R/W.
0 = The corresponding PIRQ is routed to one of the ISA-compatible interrupts specified in bits[3:0].
1 = The PIRQ is not routed to the 8259.
NOTE: BIOS must program this bit to 0 during POST for any of the PIRQs that are being used. The
Reserved
IRQ Routing — R/W. (ISA compatible.)
0000b
0001b
0010b
0011b
0100b
0101b
0110b
Value
0111b
value of this bit may subsequently be changed by the OS when setting up for I/O APIC
interrupt delivery mode.
PIRQE
PIRQG
80h
No
Reserved
Reserved
Reserved
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ
–
–
68h, PIRQF
6Ah, PIRQH
–
–
69h,
6Bh
1000b
1001b
1010b
1011b
1100b
1101b
Value
1110b
1111b
Description
LPC Interface Bridge Registers (D31:F0)
Attribute:
Size:
Power Well:
Reserved
IRQ9
IRQ10
IRQ11
IRQ12
Reserved
IRQ14
IRQ15
IRQ
R/W
8 bit
Core
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