1-42
Hardware Specifications and Configurations
System Interrupt Specification
System DMA Specification (Continued)
DMA6
Not Assigned
DMA7
Not Assigned
*ExpressCard controller can use DMA 1, 2, or 5.
Hardware IRQ
System Function
IRQ0 System
timer
IRQ1
Standard 101-/102-Key or Microsoft
®
Natural Keyboard
IRQ2 Cascaded
IRQ3
Intel 82801DB/DBM USB2 Enhanced Host Controller-24CD
IRQ4 COM1
IRQ5*
Conexant AC-Link Audio Intel 82801DB/DBM SMBus
Controller-24C3 Data Fax
Modem with SmartCP
IRQ6 Diskette
drive
IRQ7* Parallel
port
IRQ8
System CMOS/real-time clock
IRQ9* Microsoft
ACPI-compliant
system
IRQ10*
Intel USB UHCI controller-24C2
Intel 82852/82855 GM/GME Graphic Controller
Realtek RTL8139 Family PCI Fast Ethernet Controller
IRQ11
Intel USB EHCI controller-24CD
Intel USB UHCI controller-24C4
Intel USB UHCI controller-24C7
Intel Pro/Wireless 2200BG
TI OHCI 1394 host controller
TI PCI1410 CardBus controller
IRQ12
Synaptics PS/2 Port Touchpad
IRQ13
Numeric data processor
IRQ14
Primary IDE channel
IRQ15
Secondary IDE channel
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.
NOTE:
Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.
NOTE:
ExpressCards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either
the infrared or the serial port may assert IRQ3 or IRQ4.
Legacy Mode
Power Management
Summary of Contents for Aspire 7750
Page 1: ...Aspire 7750 7750G SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specification ...
Page 14: ...1 4 ...
Page 56: ...1 46 Hardware Specifications and Configurations ...
Page 57: ...CHAPTER 2 System Utilities ...
Page 79: ...CHAPTER 3 Machine Maintenance ...
Page 82: ...3 4 ...
Page 122: ...3 44 Machine Maintenance Procedures ...
Page 123: ...CHAPTER 4 Troubleshooting ...
Page 149: ...CHAPTER 5 Jumper and Connector Locations ...
Page 156: ...5 8 Jumper and Connector Locations ...
Page 157: ...CHAPTER 6 FRU List ...
Page 158: ...6 2 Exploded Diagrams 6 4 FRU List 6 6 Screw List 6 23 ...
Page 180: ...6 24 FRU Field Replaceable Unit List ...
Page 181: ...CHAPTER 7 Model Definition and Configuration ...
Page 182: ...7 2 Aspire 7750 7750G 7 3 ...
Page 253: ...CHAPTER 8 Test Compatible Components ...
Page 254: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 270: ...8 18 Test Compatible Components ...
Page 271: ...CHAPTER 9 Online Support Information ...
Page 272: ...9 2 Introduction 9 3 ...
Page 274: ...9 4 Online Support Information ...