Acer power sx/sxb/sc manual Error Symptom Action/FRU Parallel/Serial Ports, Keyboard, Power Supply

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Error Symptom	Action/FRU

	Parallel/Serial Ports

Execute “Load BIOS Default Settings” in BIOS Setup to confirm ports presence before diagnosing any parallel/serial ports problems.

Serial or parallel port loop-back test failed.	1.	Make sure that the LPT# or COM# you test is the same as the
		setting in BIOS Setup.
	2.	Loop-back.
	3.	System board.

Printing failed.	1.	Ensure the printer driver is properly installed. Refer to the printer
		service manual.
	2.	Printer.
	3.	Printer cable.
	4.	System board.

Printer problems.	1.	Refer to the service manual for the printer.

		Keyboard

Some or all keys on keyboard do not work.	1.	Keyboard

	Power Supply

Pressing power switch does not turn off	1. Ensure the Power Switch < 4 sec. in BIOS Setup of Power
system. (Only unplugging the power cord		Management is not set to Suspend.
from electrical outlet can turn off the system.)	2.	Power switch cable assembly

Pressing power switch does not turn on the	1.	Ensure the power override switch (situated at the back of the
system.		machine, just above the connector for the power cable) is not set
		to OFF.
	2.	Power switch cable assembly.

Executing software shutdown from	1.	Load default settings.
Windows98 Start menu does not turn off the	2.	Reload software from Recovery CD.
system. (Only pressing power switch can turn
off the system).

No system power, or power supply fan is not	1.	Power Supply
running.	2.	System Board

	Other Problems

Any other problems.	1.	Undetermined Problems

Chapter 4

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Contents Service Guide AcerPower Sx/Sxb/ScRevision History Date Chapter UpdatesDisclaimer CopyrightScreen messages ConventionsPreface Page Table of Contents Appendix C Online Support Information 103 Index 105 Chapter Jumper and Connector InformationOverview System SpecificationsPerformance AcerPower Sx FeaturesAcerPower Sc Features Front Panel Label DescriptionCD-ROM LED Computer’s rear panel consists of the following Rear PanelAcerPower Sx Main Board Layout LAN/LED ROM AcerPower Sc Main Board LayoutCursor keys KeyboardLock keys Lock Key DescriptionKey Description Windows keysHardware Specifications and Configurations Bios Hotkey ListProcessor Bios Hotkey List Memory Combinations System MemorySdram TotalVideo Memory Cache MemoryVideo Interface PbsramIDE Interface Audio InterfaceParallel Port Floppy disk drive InterfaceSerial Port ModemMemory Address Map USB PortPCI INTx# and Idsel Assignment Map PCI Slot IRQ Routing MapIRQ Assignment Map Address MapHex Range Devices IRQx System Devices Add-On-Card DevicesDRQ Assignment Map Mechanical SpecificationsMain Board Major Chips Environmental RequirementsInput Frequency Frequency Variation Range Switching Power Supply 102WInput Voltage Variation Range Input Current Measuring RangeDevice Standby Mode Power Management Function Acpi support functionChapter System Utilities Advanced Options Entering SetupPage Parameter Description Format System InformationChapter April 16,01 Product InformationParameter Description Following table describes the parameters found in this menuDisk Drives Parameter Description Options44 MB, 3.5-inch Hard Disk IDE Primary/Secondary Channel Master/SlaveAuto EPP Onboard PeripheralsIRQ EPPEnhanced Parallel Port EPP Power Off or Suspend Power ManagementChapter Boot Options Floppy DiskIDE CD-ROM Hhmmss Date and TimeSystem Security Setting a Password Bypassing the Password Changing or Removing the PasswordMemory/Cache Options Advanced OptionsParameter Description Options Inta Intb Intc Intd PnP/PCI OptionsChipset Settings Chipset SettingsDo you want to load default settings? Yes *No Load Default SettingsDo you really want to abort settings change? Yes No Abort Settings ChangeExiting 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 Post Check Points Table D-1 Post Check PointsCheck Point Description 4FH 4EH4CH 5CHACH B0HB1H Bios Messages Action/FRU Post Error Messages ListAssignments of the PnP/PCI Options to Yes Error Symptom Action/FRU Processor / Processor Fan Error Symptoms ListSystem Board and Memory Diskette DriveError Symptom Action/FRU Hard Disk DriveCD/DVD-ROM Drive Real-Time Clock Management is set to EnabledPower Supply Error Symptom Action/FRU Parallel/Serial PortsOther Problems KeyboardBeep Code Error Message Description Error Beep DefinitionBeep Code Description VGAError Description Boot Block Update Function Error Beep DefinitionDimm Undetermined ProblemsAcerPower Sx/Sxb Jumpers and Connectors Jumper and Connector InformationConnector No Connector DescriptionAcerPower Sc Jumpers and Connectors CN7 CN2JP2 JP6FRU Field Replaceable Unit List Chapter Picture Partname Description Sdimm 64M Sdimm 32MMT8LSDT864AG-10EC7 Sdimm 128MLA08A Acer V.SLA13A CD-ROM, 40X, APIV66LT CdromMain BD S57M ModemLAN ANI/ALN-325/B50 PCI BootromNIC-559A LAN Card W/O LookoutCVR Empty 525 CHA Hips Assy BZL F CHA H61CVR Empty 35 CHA Hips Assy HDD Holder H61Assy SWITCH/LED Cable Spring Power KnobKnob PWR CHA Hips SUS IDCMT/FUBUTTON/S42 Mouse LogitechMouse Wheel Logitech Mouse 2 ButtonModel Definition and Configuration Appendix a Test Compatible Components Specifications Microsoft DOS V6.22 Environment TestAPI Mprii 77C Microsoft Windows 98 SE En/TC/SC Environment Test AO 40X CD-ROM CD-940EUSB Appendix B API 40X CD-ROM Microsoft Windows 2000 Environment TestAO 40X CD-ROM API 52VLMicrosoft Windows NT 4.0 Environment Test IBM OS/2 Warp 4.0 Environment Test API 52P Novell Netware 3.12, 4.11 & 5.0 Environment TestSCO UNIX/Linux Environment Test 102 Online Support Information 104 Index 106 Post Uart