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Acer Aspire T320 Aspire T320 Service Guide - Page 34

Disabled, Onboard/AGP, On-chip VGA Setting, Enabled, Parameter, Description, Option,

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Parameter Video BIOS Cacheable Memory Hole At 15M-16M Init Display First On-chip VGA Setting On-Chip VGA On-Chip Frame Buffer Size Boot Display Description Option Select "Enabled" to allow caching of the Video BIOS which may improve performance. If any other program writes to this memory area, a system error may result. Enabled Disabled You can reserve this area of system memory for ISA adapter ROM. When this area is reserved, it cannot be cached. The user information of peripherals that need to use this area of system memory usually discuss their memory requirements. Enabled Disabled This item is used to set which display device PCI Slot will be used Onboard/AGP This item is used to enable/disable the Onboard VGA. Enabled Disabled This item is used to set the VGA frame buffer size. NOTE: This function doesn't work when the external display card is used. 1MB 8MB 16MB This item is used to select the display mode used when your PC starts up. Auto CRT EFP TV Chapter 2 27

Section	Page
Aspire T320	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
T.O.C	6
CH1_System Specifications	8
Overview	8
Features & Specifications	9
Aspire T320 Front Panel	11
Aspire T320 Rear Panel	12
MainBoard Layout	13
Block Diagram	15
Hardware Specifications and Configurations	16
Power Management Function	23
CH2_System Utilities	24
Entering Setup	25
Product Information	27
Standard CMOS Features	28
Advanced BIOS Features	30
Advanced Chipset Features	33
Integrated Peripherals	35
OnChip IDE Device	36
Onboard Device	38
Super IO Device	39
Power Management Setup	40
PnP/PCI Configuration	43
PC Health Status	44
Frequency/Voltage Control	45
Load Default Settings	46
Set Supervisor/User Password	47
Save & Exit Setup	48
Exit Without Saving	49
CH3_Machine Disassembly and Replacement	50
General Information	51
Before You Begin	51
Disassembly Flow Chart	52
Standard Disassembly Procedure	53
Removing the Front Panel	53
Removing the Cables	53
Removing the Modem card, CD-ROM, Floppy and HDD	54
Removing the Power Supply	55
Removing the Heatsink and the CPU	56
Removing the Memory	56
Removing the Mainboard	57
Removing the Power Button	57
Removing the LED Module	57
Removing the Daughter Board	57
Standard Reassembly Procedure	58
Installing the Daughter Board	58
Installing the LED Module	58
Installing the Power Button	58
Installing the Mainboard	58
Installing the Heatsink and the CPU	59
Installing the Memory	59
Installing the Power Supply	60
Installing the Modem card, CD-ROM, Floppy and HDD	60
Installing the Cables	61
Installing the Front Panel	62
Closing the System	62
CH4_Troubleshooting	63
Power-On Self-Test (POST)	64
POST Check Points	65
POST Error Messages List	71
Error Symptoms List	73
CH5_Jumper and Connector Information	78
Checking Jumper Settings	78
Setting Jumpers	78
Connectors and Jumpers	79
Function Definition	80
Pin Definition	81
Jumper Setting	81
Connectors and Headers Definition	81
Expansion I/O	84
CH6_FRU (Field Replaceable Unit) List	87
Exploded Diagram	88
Parts	89
AppB_Test Compatible Components	97
Microsoft Windows XP Home Environment Test	98

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