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Acer Aspire T670 Aspire T670 and Power Fe Service Guide - Page 39

Parameter, Description, Options, Extended Memory - motherboard

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Parameter Base Memory Extended Memory Total Memory Description Options The POST of the BIOS will determine the amount of base (or conventional) memory installed in the system.The value of the base memory is typically 512K for systems with 512K memory installed on the motherboard, or 640K for systems with 640K or more memory installed on the motherboard. The BIOS determines how much extended memory is present during the POST. This is the amount of memory located above 1 MB in the CPU's memory address map. This item displays the memory size that used. 35 Chapter 2

Section	Page
Aspire T670 & AcerPower FE	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
S.G_Aspire T670 & AcerPowerFE_T.O.C	6
S.G_ Aspire T670 & AcerPower FE_CH1	8
System Specifications	8
Overview	8
Features	10
Block Diagram	14
MainBoard Placement	15
Rear I/O Port	16
Aspire T670 Front Panel	17
AcerPower FE Front Panel	18
Rear Panel	19
System Peripherals	20
Mouse (PS/2 or USB, manufacturing option)	20
Keyboard (PS/2 or USB, manufacturing option)	20
Speakers	21
Acer eRecovery	22
Create backup	22
Restore from backup	22
Create factory default image CD	23
Re-install bundled software without CD	23
Change Password	23
Acer disc-to-disc recovery	24
Restore without a Recovery CD	24
Multilingual operating system installation	24
Hardware Specifications and Configurations	25
Power Management Function (ACPI support function)	31
Dual Channel	32
S.G_Aspire T670 & AcerPower FE_CH2	34
System Utilities	34
Entering Setup	35
Product Informatoin	36
Standard CMOS Features	37
Advanced BIOS Features	40
Integrated Peripherals	42
Power Management Setup	44
PnP/PCI Configuration	46
PC Health	47
Load Default Settings	48
Set Supervisor/User Password	49
Save & Exit Setup	50
Exit Without Saving	51
S.G_Aspire T670 & AcerPower FE_CH3	52
Machine Disassembly and Replacement	52
General Information	53
Before You Begin	53
Disassembling the System	54
Opening the Housing	54
Removing the Housing	54
Remvoing the Add-on Card	56
Detach the TV Tuner Card and Modem Card.	56
Removing the Heatsink and CPU	56
Remvoing the Memory	58
Disconnecting the Cables	58
Removing the HDD	59
Removing the FDD and Card Reader	59
Removing the ODD	59
Removing the System FAN	59
Removing the Power Supply	60
Removing the Mainboard	60
S.G_Aspire T670 & AcerPower FE_CH4	61
Troubleshooting	61
Power-On Self-Test (POST)	62
POST Error Messages List	68
Error Symptoms List	70
Undetermined Problems	75
S.G_Aspire T670 & AcerPower FE_CH5	76
Jumper and Connector Information	76
Connectors Introduction	76
ATX_12V/ATX (Power Connector)	77
CPU FAN / SYS FAN (Cooler Fan Power Connector)	79
FDD (Floppy Connector)	80
IDE (IDE Connector)	81
SATA0 / SATA1 (Serial ATA Connector, Controlled by ICH6)	82
F_PANEL (Front Panel Jumper)	83
PWR_LED	84
F_AUDIO (Front Audio Panel Connector)	84
CD_IN (CD IN)	85
SUR_CEN	85
F_ USB1 / F_USB2 (Front USB Connector)	86
CLR_CMOS (Clear CMOS)	86
BAT(Battery)	87
Clear CMOS	87
S.G_Aspire T670 & AcerPower FE_CH6	88
FRU (Field Replaceable Unit) List	88
Exploded Diagram	89
S.G_Aspire T670 & AcerPower FE_AppA	90
Model Definition and Configuration	90
S.G_Aspire T670 & AcerPower FE_AppB	91
Test Compatible Components	91
Microsoft Windows XP Home Environment Test	92
S.G_Aspire T670 & AcerPower FE_AppC	98

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