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Acer Aspire E650 Aspire E650 Service Guide - Page 54

PCI/VGA Palette Snoop, INT Pin 1-8 Assignment, Maximum Payload Size

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reserve for the ISA expansion card. Use the section item Reserve Memory Length to set the amount of reserved memory. Press to close the Memory Resources submenu. PCI/VGA Palette Snoop This item is designed to overcome problems that can be caused by some non-standard VGA cards. This board includes a built-in VGA system that does not require palette snooping so you must leave this item disabled. INT Pin 1-8 Assignment It identifies the interrupt request (IRQ) line assigned to a device connected to the PCI interface of your system. Maximum Payload Size This item specifies the maximum TLP payload size for the PCE Express devices. The unit is byte. 44 Chapter 2

Section	Page
Overview	11
Main Board Specification	11
Wake-Up Event Specification	13
System LED Definition	14
Block Diagram	15
Main Board Placement	16
Aspire E650 Front Panel	18
Aspire E650 Rear Panel	19
Acer eRecovery	20
Create Backup	20
Restore from Backup	20
Create Factory Default Image CD	20
Re-install Bundled Software without CD	21
Change Password	21
Acer Disc-to-Disc Recovery	22
Restore without Recovery CD	22
Multilingual Operating System Installation	22
Hardware Specification and Configuration	23
Major Chips	23
Processor	23
Intel 945G	24
Intel ICH7DH	25
LPC Super I/O: ITE8712F	26
AC’97 Audio Codec ALC883	26
BIOS Hotkey List	27
System Memory	27
LAN Interface	27
IDE Interface	28
Floppy Disk Drive Interface	28
USB Interface	28
Serial Port	29
Environment Requirements	29
Power Management Function (ACPI Support Function)	30
Device Standby Mode	30
Global Standby Mode	30
Suspend Mode	30
ACPI	30
About the Setup Utility	31
The Standard Configuration	31
Entering the Setup Utility	31
Product Information	33
Standard CMOS Features	34
Advanced BIOS Features	37
Advanced Chipset Features	42
Integrated Peripherals	44
Power Management Setup	49
PnP/PCI Configuration	53
PC Health Status	55
Frequency/Voltage Control	56
Load Default Settings	57
Set Supervisor/User Password	57
Save and Exit Setup	57
Exit without Saving	57
General Information	59
Before You Begin	59
Aspire E650 Disassembly Procedure	60
Opening the Computer	60
Removing the Optical Disk Drive	62
Removing the Card Reader and the Floppy Disk Drive	62
Removing the Hard Disk Drive	63
Removing the Add-on Cards	64
Removing the Power Supply	65
Removing the System Fan	66
Removing the Memory	67
Removing the CPU	68
Removing the Main Board	69
Troubleshooting	70
Introduction of Connectors	71
Main Board Placement	71
Power Cable Connectors	73
Front Panel Header	75
IDE Connector	76
SATA Connectors	76
FDD: Floppy Disk Drive Connector	76
Add-on Card Slots	76
Optional Devices	77
I/O Devices	80
Jumper Settings	81
Exploded Diagram	83
Parts	85

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