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Acer Power ST Aspire T300 Service Guide - Page 22

Switching Power Supply 200W, Input Frequency, Frequency Variation Range, Input Voltage

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Switching Power Supply 200W 50MHz 60MHz Input Frequency 47MHz to 53MHz 57MHz to 63MHz Frequency Variation Range Input Voltage 100 - 120 VRMS 200 - 240 VRMS 90 - 132 VRMS 180 - 264 VRMS Variation Range Input Current 4A 2A 90 -132 VRMS 180 - 264 VRMS Measuring Range Output Requirements +5V +12V -12V +3.3V +5Vaux +-5% +-5% +-10% +-4% +-5% Regulation 15A 3A 0.3A 12A 3A Current Rating 16 Chapter 1

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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