Asus M4A88TD-V EVO/USB3 User Manual - Page 36

Interrupt assignments - evo usb 3

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Chapter 2 2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard function 0 1 System Timer 1 2 Keyboard Controller 2 - Redirect to IRQ#9 4 12 Communications Port (COM1)* 5 13 IRQ Holder for PCI Steering* 6 14 Reserved 7 15 Reserved 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 Reserved 13 8 Numeric Data Processor 14 9 Primary IDE Channel * These IRQs are usually available for PCI devices. IRQ assignments for this motherboard PCIE x16_1 PCIE x16_2 PCIE x1_1 PCI_1 PCI_2 A B C D E F G H - - shared - - - - - shared - - - - - - - shared - - - - - - - - - - - shared - - - - - - - - shared - - PCI_3 - - - - - - shared - LAN - - shared - - - - - Onboard 880G Video Controller - - shared - - - - - USB 3.0 controller - shared - - - - - - Onchip SATA Controller - - - shared - - - - Onboard PATA Controller - shared - - - - - - 1394 Controller - shared - - - - - - HD Audio shared - - - - - - - 2-18 E5888_M4A88TD-V EVO-USB3_Content18 18 Chapter 2: Hardware information 5/26/10 3:44:39 PM

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2-18
Chapter 2: Hardware information
Chapter 2
2.5.3
Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for PCI devices.
IRQ
Priority
Standard function
0
1
System Timer
1
2
Keyboard Controller
2
–
Redirect to IRQ#9
4
12
Communications Port (COM1)*
5
13
IRQ Holder for PCI Steering*
6
14
Reserved
7
15
Reserved
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
Reserved
13
8
Numeric Data Processor
14
9
Primary IDE Channel
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCIE x16_1
–
–
shared
–
–
–
–
–
PCIE x16_2
shared
–
–
–
–
–
–
–
PCIE x1_1
shared
–
–
–
–
–
–
–
PCI_1
–
–
–
–
shared
–
–
–
PCI_2
–
–
–
–
–
shared
–
–
PCI_3
–
–
–
–
–
–
shared
–
LAN
–
–
shared
–
–
–
–
–
Onboard 880G Video
Controller
–
–
shared
–
–
–
–
–
USB 3.0 controller
–
shared
–
–
–
–
–
–
Onchip SATA Controller
–
–
–
shared
–
–
–
–
Onboard PATA
Controller
–
shared
–
–
–
–
–
–
1394 Controller
–
shared
–
–
–
–
–
–
HD Audio
shared
–
–
–
–
–
–
–
E5888_M4A88TD-V EVO-USB3_Content18
18
5/26/10
3:44:39 PM