Asus P5MT-M User Guide - Page 36

Interrupt assignments - sata

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2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard Function 0 1 1 2 2 - 3 11 4 12 5 13 6 14 7 15 8 3 9 4 10 5 11 6 12 7 13 8 14 9 15 10 System Timer Keyboard Controller Re-direct to IRQ#9 Communications Port (COM2)* Communications Port (COM1)* IRQ holder for PCI steering* Floppy Disk Controller Printer Port (LPT1)* System CMOS/Real Time Clock IRQ holder for PCI steering* IRQ holder for PCI steering* IRQ holder for PCI steering* PS/2 Compatible Mouse Port* Numeric Data Processor Primary IDE Channel Secondary IDE Channel * These IRQs are usually available for ISA or PCI devices. PCI Bus Number, IDSEL, and IRQ assignments Description PATA Controller SATA Controller SMBus Controller USB1 UHCI Controller #1 USB1 UHCI Controller #2 USB 2.0 EHCI Controller BMC5721 #1 BMC5721 #2 ATI RAGE XL LSI 53C1020A (SCSI model) PCI Express Slot 1 (x16) PCIX Slot 2 (64-bit) PCIX Slot 3 (64-bit) PCIX Slot 4 (32-bit) INTA PIRQA# PIRQD# PIRQB# PIRQH# PIRQD# PIRQH# PIRQA# PIRQB# PIRQD# PXIRQ2 PIRQA# PXIRQ0 PXIRQ4 PIRQE# INTB PXIRQ1 PXIRQ5 PIRQF# INTC PXIRQ2 PXIRQ6 PIRQG# INTD PXIRQ3 PXIRQ7 PIRQH# REQ# REQ1# X_REQ2 - X_REQ0 X_REQ1 REQ0# GNT# - - - - - - GNT1# X_GNT2 - X_GNT0 X_GNT1 GNT0# 2-16 Chapter 2: Hardware information

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2-16
2-16
2-16
2-16
2-16
Chapter 2: Hardware information
Chapter 2: Hardware information
Chapter 2: Hardware information
Chapter 2: Hardware information
Chapter 2: Hardware information
2.5.3
2.5.3
2.5.3
2.5.3
2.5.3
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
IRQ
IRQ
IRQ
IRQ
IRQ
Priority
Priority
Priority
Priority
Priority
Standard Function
Standard Function
Standard Function
Standard Function
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
—
Re-direct to IRQ#9
3
11
Communications Port (COM2)*
4
12
Communications Port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy Disk Controller
7
15
Printer Port (LPT1)*
8
3
System CMOS/Real Time Clock
9
4
IRQ holder for PCI steering*
10
5
IRQ holder for PCI steering*
11
6
IRQ holder for PCI steering*
12
7
PS/2 Compatible Mouse Port*
13
8
Numeric Data Processor
14
9
Primary IDE Channel
15
10
Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
PCI Bus Number, IDSEL, and IRQ assignments
Description
Description
Description
Description
Description
INTA
INTA
INTA
INTA
INTA
INTB
INTB
INTB
INTB
INTB
INTC
INTC
INTC
INTC
INTC
INTD
INTD
INTD
INTD
INTD
REQ#
REQ#
REQ#
REQ#
REQ#
GNT#
GNT#
GNT#
GNT#
GNT#
PATA Controller
PIRQA#
—
—
—
—
—
SATA Controller
PIRQD#
—
—
—
—
—
SMBus Controller
PIRQB#
—
—
—
—
USB1 UHCI Controller #1
PIRQH#
—
—
—
—
USB1 UHCI Controller #2
PIRQD#
—
—
—
—
—
USB 2.0 EHCI Controller
PIRQH#
—
—
—
—
—
BMC5721 #1
PIRQA#
—
—
—
—
—
BMC5721 #2
PIRQB#
—
—
—
—
—
ATI RAGE XL
PIRQD#
—
—
—
REQ1#
GNT1#
LSI 53C1020A (SCSI model)
PXIRQ2
—
—
—
X_REQ2
X_GNT2
PCI Express Slot 1 (x16)
PIRQA#
—
—
—
—
—
PCIX Slot 2 (64-bit)
PXIRQ0
PXIRQ1
PXIRQ2
PXIRQ3
X_REQ0
X_GNT0
PCIX Slot 3 (64-bit)
PXIRQ4
PXIRQ5
PXIRQ6
PXIRQ7
X_REQ1
X_GNT1
PCIX Slot 4 (32-bit)
PIRQE#
PIRQF#
PIRQG#
PIRQH#
REQ0#
GNT0#