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Acer Power ST Aspire T300 Service Guide - Page 34

Disabled, Setup, Enabled, Parameter, Description, Options, After Typematic Rate Setting is enabled - chipset

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Parameter Boot Up NumLock Status Gate A20 Option Typematic Rate Setting Description Sets the NumLock status when the system is On powered on. Setting to On will turn on the Off NumLock key when the system is powered on. Setting to Off will allows users to use the arrow keys on the numeric keypad. This item is to set the Gate A20 status. A20 refers to the first 64KB of extended memory. When the default value Fast is selected, the Gate A20 is controlled by port 92 or chipset specific method resulting in faster system performance. When Normal is selected, A20 is controlled by a keyboard controller or chipset hardware. Fast Normal This item is used to enable or disable the Enabled typematic rate setting including Typematic Rate Disabled and Typematic Deplay. Options Typematic Rate After Typematic Rate Setting is enabled, this item allows you to set the rate (characters/ second) at which at keys are accelerated. Settings: 6,8,10,12,15,20,24 and 30. Typematic Delay This item allows you to select the delay between when the key was first pressed and when the acceleration begins Settings: 250, 500, 750 and 1000. Security Option Specifies the type of BIOS password protection that is implemented. Setup means that the password prompt appears only when end users try to run Setup. System means that a password prompt appears every time when the computer is powered on or when end users try to run Setup. Setup System APIC Mode This field is used to enable or disable the APIC (Advanced Programmable Interrupt Controller). Due to compliance with PC2001 design guide, the system is able to run in APIC mode. Enabling APIC mode will expand available IRQ resources from the system. Enabled Disabled MPS Version Control for OS This field allows you to select which MPS (Multi- 1.4 Processor Specification) version to be used for 1.1 the operating system. You need to select the MPS version supported by your operating system. To find out which version to use, consult the vendor of your operating system. 28 Chapter 2

Section	Page
Aspire T300_AcerPower ST	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
Ch.1 System Specifications	7
Overview	7
Features & Specifications	8
Front Panel	10
Rear Panel	12
Aspire T300/Power ST Main Board Layout	13
Hardware Specifications and Configurations	15
Power Management Function (ACPI support function)	23
Ch.2 System Utilities	25
Entering Setup	26
Product Information	28
Standard CMOS Features	30
IDE Primary/Secondary Channel Master/Slave Setup	32
Advanced BIOS Features	33
Advanced Chipset Features	35
Integrated Peripherals	37
Power Management Setup	39
PnP/PCI Configuration	41
PC Health Status	42
Frequency Control	43
Load Default Settings	44
Set Supervisor/User Password	45
Save & Exit Setup/Exit Without Saving	47
General Information	50
Before You Begin	50
Disassembly Procedure Flowchart	51
Standard Disassembly Procedure	52
Removing the CD-ROM/CD-RW Drive	52
Removing the Front Panel	53
Removing the HDD/Floppy Cage	53
Ch.4 Troubleshooting	55
Power-On Self-Test (POST)	56
POST Check Points	57
POST Error Messages List	63
Error Symptoms List	65
Ch.5 Jumper and Connector Information	69
Aspire T300/APST Jumpers and Connectors	69
Connector Description	70
Jumper Settings	70

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