Acer power sx/sxb/sc manual Switching Power Supply 102W, Input Frequency Frequency Variation Range

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Switching Power Supply 102W

Input Frequency	Frequency Variation Range

50MHz	47MHz to 53MHz

60MHz	57MHz to 63MHz

Input Voltage	Variation Range

100 - 120 VRMS	90 - 132 VRMS

200 - 240 VRMS	180 - 264 VRMS

Input Current	Measuring Range

4A	90 -132 VRMS

2A	180 - 264 VRMS

NOTE: Measure at line input 90 VRMS and maximum load condition.

Output Requirements	Regulation	Current Rating

+5V	+-5%	15A

+12V	+-5%	3A

-12V	+-10%	0.3A

+3.3V	+-4%	12A

+5Vaux	+-5%	3A

NOTE: AcerPower Sc is using 145W power supply.

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Chapter 1

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Contents AcerPower Sx/Sxb/Sc Service GuideDate Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen messagesPreface Page Table of Contents Chapter Jumper and Connector Information Appendix C Online Support Information 103 Index 105System Specifications OverviewAcerPower Sx Features PerformanceAcerPower Sc Features Label Description Front PanelCD-ROM LED Rear Panel Computer’s rear panel consists of the followingAcerPower Sx Main Board Layout LAN/LED AcerPower Sc Main Board Layout ROMKeyboard Cursor keysLock keys Lock Key DescriptionWindows keys Key DescriptionBios Hotkey List Hardware Specifications and ConfigurationsProcessor Bios Hotkey List System Memory Memory CombinationsSdram TotalCache Memory Video MemoryVideo Interface PbsramAudio Interface IDE InterfaceFloppy disk drive Interface Parallel PortSerial Port ModemUSB Port Memory Address MapPCI INTx# and Idsel Assignment Map PCI Slot IRQ Routing MapAddress Map IRQ Assignment MapHex Range Devices IRQx System Devices Add-On-Card DevicesMechanical Specifications DRQ Assignment MapMain Board Major Chips Environmental RequirementsSwitching Power Supply 102W Input Frequency Frequency Variation RangeInput Voltage Variation Range Input Current Measuring RangePower Management Function Acpi support function Device Standby ModeChapter System Utilities Entering Setup Advanced OptionsPage System Information Parameter Description FormatChapter Product Information April 16,01Following table describes the parameters found in this menu Parameter DescriptionParameter Description Options Disk Drives44 MB, 3.5-inch IDE Primary/Secondary Channel Master/Slave Hard DiskAuto Onboard Peripherals EPPEPP IRQEnhanced Parallel Port EPP Power Management Power Off or SuspendChapter Floppy Disk Boot OptionsIDE CD-ROM Date and Time HhmmssSystem Security Setting a Password Changing or Removing the Password Bypassing the PasswordAdvanced Options Memory/Cache OptionsParameter Description Options PnP/PCI Options Inta Intb Intc IntdChipset Settings Chipset SettingsLoad Default Settings Do you want to load default settings? Yes *NoAbort Settings Change Do you really want to abort settings change? Yes NoExiting Setup Chapter Machine Disassembly and Replacement Removing a Dimm Removing the CPU Fan-sink and CPU Board Remove the CPU Opening the Housing Removing an Expansion Board Removing a 3.5-inch Drive Chapter Removing a 5.25-inch Drive Removing the Main board Removing a Daughterboard Chapter Troubleshooting Power-On Self-Test Post Table D-1 Post Check Points Post Check PointsCheck Point Description 4EH 4FH4CH 5CHB0H ACHB1H Post Error Messages List Bios Messages Action/FRUAssignments of the PnP/PCI Options to Yes Error Symptoms List Error Symptom Action/FRU Processor / Processor FanSystem Board and Memory Diskette DriveHard Disk Drive Error Symptom Action/FRUCD/DVD-ROM Drive Management is set to Enabled Real-Time ClockError Symptom Action/FRU Parallel/Serial Ports Power SupplyOther Problems KeyboardError Beep Definition Beep Code Error Message DescriptionBeep Code Description VGABoot Block Update Function Error Beep Definition Error DescriptionUndetermined Problems DimmJumper and Connector Information AcerPower Sx/Sxb Jumpers and ConnectorsConnector Description Connector NoAcerPower Sc Jumpers and Connectors CN2 CN7JP2 JP6FRU Field Replaceable Unit List Chapter Picture Partname Description Sdimm 32M Sdimm 64MMT8LSDT864AG-10EC7 Sdimm 128MAcer V.S LA08ALA13A CD-ROM, 40X, APICdrom V66LTMain BD S57M ModemBootrom LAN ANI/ALN-325/B50 PCINIC-559A LAN Card W/O LookoutAssy BZL F CHA H61 CVR Empty 525 CHA HipsCVR Empty 35 CHA Hips Assy HDD Holder H61Spring Power Knob Assy SWITCH/LED CableKnob PWR CHA Hips SUS IDCMT/FUMouse Logitech BUTTON/S42Mouse Wheel Logitech Mouse 2 ButtonModel Definition and Configuration Appendix a Test Compatible Components Microsoft DOS V6.22 Environment Test SpecificationsAPI Mprii 77C AO 40X CD-ROM CD-940E Microsoft Windows 98 SE En/TC/SC Environment TestUSB Appendix B Microsoft Windows 2000 Environment Test API 40X CD-ROMAO 40X CD-ROM API 52VLMicrosoft Windows NT 4.0 Environment Test IBM OS/2 Warp 4.0 Environment Test Novell Netware 3.12, 4.11 & 5.0 Environment Test API 52PSCO UNIX/Linux Environment Test 102 Online Support Information 104 Index 106 Post Uart