+5Vdc Green Ground Black No connect Red | IBM 2274 instruction

Power Supply Output Pin Assignment (Continued)

Pin	Voltage	Cable Color

14	+5Vdc	Green

15	Ground	Black

16	Ground	Black

17	Ground	Black

18	no connect	no connect

19	+5Vdc	Red

20	+5Vdc	Red

112 IBM Desktop System HMM

Image 146

IBM 2274 manual +5Vdc Green Ground Black No connect Red

Contents

Hardware Maintenance Service for Service Level a Page Contents System Backup Battery Check ProceduresDiagnostic Aids Electrical input Operating Requirements Parts Catalog Safety Inspection GuideParts/Test Point Locations Index Appendix A. FRU Number ListAppendix B. Online Support Voltage Supply Switch Settings Voltage Supply Range Voltage Switch Setting Safety Information To Connect To Disconnect Do not Para Conectar Para Desconectar Cuidado Cuidado Page Xiv Page Xvi Connexion Déconnexion Xviii Page Vorsicht Kabel anschließen Kabel lö sen Achtung Instrumenten betrachten und den Strahlungsbereich meiden Xxii Pericolo Per collegare Per scollegare Attenzione Xxiv Attenzione Xxvi Page Xxviii Instrucciones de Conexió n Desconexió n Peligro Page Laser Compliance Statement Categorie Trademarks HelpCenter Numbers listed in numerical order PrefaceAppendix A, FRU Number Index contains part Xxxiv General Information Introduction Memory Product OverviewProcessor Hard Disk Drive External PortDiskette Drive Multimedia Power ManagementDVD-ROM Drive Monitor Not included with some models Power SupplyInternal Cabling Keyboard Mouse Hardware Interfaces Interface USB Cmos Reset Power-On Password Flash Bios Update Procedure BIOS-contained Model Number and Serial Number Type ADMICFG.EXE/ type 01 05 Type Bios Configuration/Setup Utility Working with the Configuration/Setup Utility Menu Changing Parameter Settings Keys Function Save & Exit Settings Viewing System Information, and Product Data Devices and I/O ports Onboard Serial Port Onboard Parallel ModeECP Mode Use DMA Onboard Parallel Port USB Mouse Support IDE Prefetch ModeMPU-401 --Enabled Onboard Sound Startup Options Setting a Power-On Password Keyboardless Operation Changing the Power-On Password Delete Power-On Password CPU Internal Cache Advanced SetupVideo Bios Shadow External Cache Power Management Setup Suspend Mode HDD Power DownDoze Mode PM Control by APM Primary Intr Video Off MethodActivity Monitor Modem Ring Resume Power On by PCI CardRTC Alarm Resume Date MonthPage Specifications Operating Requirements Check Procedures Index of Symptoms, Messages, Error Codes, or Start Read the Following Insert diagnostics diskette in the diskette drive 005 007 009 Index of Symptoms, Messages, Error Codes, or Beeps Page Post Error Codes and Messages List Bios Error Codes Action/FRU Messages Post Error Codes and Messages List Post Error Codes and Messages List Post Error Codes and Messages List Bios Error Beeps List Bios Error Beeps Action/FRU System Board and Memory Error Symptoms ListError Symptoms Action/FRU Processor / Processor Fan Error Symptoms Action/FRU Diskette Drive Check Procedures Hard Disk Drive CN6 HDD Error Symptoms Action/FRU CD/DVD-ROM Drive Date and Time on Video and Monitor Joystick Diagnostic ProgramParallel/Serial Ports Keyboard Error Symptoms Action/FRU Power Supply Other Problems Troubleshooting Factory-Installed Storage Devices 003 Select Utility from the menu 005 Page Factory-Installed Modem Card 002 Start Microsoft Windows Select the Start icon Select Program, then select Accessories, Hyper TerminalSelect an on-line service station, dial and connect to it Modem adapter functions normally End Audio Not Supported by Diagnostics Program 006 Select Settings, then select Control Panel004 008Page CD/DVD-ROM Drive Replace system board End Replace CD/DVD-ROM drive End IBM Desktop System HMM Memory Follow the screen instructions to run the Memory test Try with a known good keyboard KeyboardKeyboard is functioning normally End Replace the system board End Test mouse cursor movement MouseTest right left button and check if right left button works Mouse is functioned normally End Replace the mouse End Try with a known good mouse010 011 Power Supply Disconnect the power cord from the back of the system unit Pin-hole side view Replace the on/off switch cable assembly Replace the power supply End Check Procedures Monitor Is the Screen READABLE? YES, Read AHEAD. NO, GO to Step Undetermined Problems DimmPage IBM Desktop System HMM Diagnostic Aids Introduction Power-On Self Test Page Diagnostic Diskette Using the Diagnostic Diskette Using Diagnostic Program from Recovery CD Diagnostics Program Features Submenu Selections Diagnostic Program Main Menu Selections Repair Information Removals and Replacements Handling ESD-Sensitive Parts Identifying the Parts of the System Unit Bay Adapter cards Adapter card connectorsPower supply Adapter card slots Cover Page Bay Panels Bay 1- 5.25-In. Bay Internal or External Access Page Page Front Panel Power Supply Adapter Cards MemoryDIMM AMD K7 Duron Processor Page System Backup Battery Indicator LED and Cable System Board Page IBM Desktop System HMM Parts/Test Point Locations Parts/Test Point Locations Introduction System Board Connector Functions System Board Jumpers ConnectorsSystem Board Jumper Setting Jumper/Settings Function CN6 Pin Voltage Cable Color Power Supply Connectors and VoltagesPower Supply Output Pin Assignment +5Vdc Green Ground Black No connect Red RJ-45 connector is used Accton Parts/Test Point Locations Network Cards Function Connect to RJ11 connector Telephone line Factory-Installed Modem Card LayoutAskey GVC Factory-Installed Modem Card Connector Functions Video Cards Nvidia M64 w/ TV Out, 32MB Nvidia NV10 w/ TV Out, 32MB Optional output from monitor IBM Desktop System HMM D Signal Pin AssignmentsPin Signal In. Hard Disk Drive Jumper Settings J50 Description CD-ROM Drive Lite-on CD-ROM Front Panel Introduction CD-ROM Emergency-exit option Function Connect to CD-ROM Drive Rear Panel Connectors and JumpersCD-ROM Drive Rear Panel Connectors and Jumpers CD-ROM R/W Drive CD-ROM R/W Front Panel Introduction CD-ROM R/W Drive Rear Panel Connectors and Jumpers DVD-ROM Drive Front Panel and Emergency-Exit DVD-ROM Front Panel Introduction Function Connect DVD-ROM Drive Rear Panel Connectors and JumpersDVD-ROM Drive Rear Panel Connectors and Jumpers Dimm Configurations Serial Port Signals System Board Connector Pin SignalsMonitor Port Signals Pin Signal Name Keyboard Port Signals Parallel Port SignalsMouse Port Signals Diskette Drive Cable Connector Signals IDE Cable Connector Signals Safety Inspection Guide General Guidelines Parts Catalog Parts Catalog Abbreviations Country Language Version Asm System AssemblyAssembly 1 System Uni Index Number IBM Desktop System HMM Assembly 2 Diskette, Hard Drive and Zip Drive Assembly 3 CD/DVD-ROM Drive Assembly 4 Power Cord Assembly 5 Keyboard and Mouse FRU Number List FRU Number Asm-Index 20L2197 Appendix B. Online Support Information Online SupportPage Audio Check Procedure IndexPage Page