IBM 2254, 2256, 2257, 6336, 6337, 6339, 6341, 6342, 6346, 6347, 6348 112

Machine Type2256

1 TopCover Assembly, Black (models 22T 23V 52T 53V 81V

93V 1FA2AA 95A 12Q 22Q 23M B3M 51Q 52Q 54M 71Q

82M 92M 91Q,72J 73J 74J 75J 94J 76J 77J 78J 83J 84J 1AJ 1BJ

1CJ 1DJ 2BJ 23C 95A)

31P5610

112 Hardware Maintenance Manual

Contents

Main Page Page Page About this manual Important Safety Information Page Contents About this manual ..........iii Chapter 1. General Checkout......1 Chapter 2. General Information.....3 Chapter 3. Diagnostics ........9 Chapter 4. Installing Options .....19 Chapter 8. Additional Service Information ............197 Chapter 9. Related service information 207 vi Chapter 1. General Checkout 2 Chapter 2. General Information Features 4 vMicrosoft Windows 95 vMicrosoft Windows NT WorkstationVersion 4.0 vMicrosoft Windows XPPersonal and Professional Specifications This section lists the physical specifications for your computer. Physical specification small desktop model Physical specification desktop model 6 Physical specifications microtower model Page Chapter 3. Diagnostics Setup Utility program 10 Product Recovery Program menu Diagnostics Diagnostics program download 12 Navigating through the diagnostics programs Running diagnostics tests Module test menu/hardware configuration report Memory Diagnostic tests Alert-On LAN test 14 Asset ID test Hard file Smart test Quick and Full erase - hard drive Iomega Zip drive test Asset EEPROM backup 16 Viewing the test log When to use the Low-Level Format program Preparing the hard disk drive for use Page Chapter 4. Installing Options Locating the connectors on the front of your computer Page Page Locating the connectors on the rear of your computer 22 Page 24 Home PNA network adapter Removing the cover - small desktop model 26 Page Installing memory - small desktop model 28 Installing adapters - small desktop model Installing internal drives - small desktop model 30 Page 32 Installing a Rope Clip - small desktop model Replacing the cover and connecting the cables - small desktop model Removing the cover - desktop model 34 Page Installing memory - desktop model 36 Installing adapters - desktop model Installing internal drives - desktop model 38 Page 40 To connect the first IDE CD drive or DVD drive To connect an additional IDE CD drive or DVD drive To connect an additional IDE hard disk drive 42 Installing a Rope Clip - desktop model Replacing the cover and connecting the cables - desktop model Removing the cover - microtower model 44 Page Locating components - microtower model Moving the power supply - microtower model 46 Page Page Installing memory - microtower model Installing adapters - microtower model 50 Installing internal drives - microtower model 52 Page To connect the first IDE CD drive or DVD drive 54 To connect an additional IDE CD drive or DVD drive To connect an additional IDE hard disk drive Installing a Rope Clip - microtower model Replacing the cover and connecting the cables - microtower model 56 Page Page Chapter 5. FRU Replacements Identifying parts on the system board See the following illustration for the location of parts on the system board. Replacing a System Board - Small Desktop Model 60 Replacing a processor - Small Desktop Model Power supply removal - Small Desktop Model Replacing a System Board - Desktop Model 62 Replacing a processor - Desktop Model Power supply removal - Desktop Model 64 Replacing a system board - Microtower Model Replacing a processor - Microtower Model Power supply removal - Microtower Model 66 Page Page Chapter 6. Symptom-to-FRU Index SDRAM memory errors SDRAM error messages issued by the IBM PC Enhanced Diagnostics. 70 Hard disk drive boot error A hard disk drive boot error(error code 17XX) can have the following causes. Power Supply Errors Diagnostic error codes 72 Page 74 Page 76 Page 78 Page 80 Page 82 Page 84 Page 86 Page 88 Page Beep symptoms 90 Use the following table to diagnose beep symptoms. Page No-beep symptoms 92 POST error codes 94 Page 96 Page 98 Page 100 Page 102 Page 104 Page 106 Miscellaneous error messages 108 Undetermined problems Page Page 112 Page 114 Page 116 Page 118 Page 120 Page 122 Page 124 Page 126 Page 128 Page 130 Page 132 Page 134 Page 136 Desktop Model Types6347, 6341, 6336 138 Page 140 Page 142 Page 144 Page 146 Page 148 Page 150 Page 152 Page 154 Page 156 Page Page Microtower Model Types6348, 6342, 2257, 2254, 6337 160 Page 162 Page 164 Page 166 Page 168 Page 170 Page 172 Page 174 Page 176 Page 178 Page 180 Page 182 Page 184 Page 186 Page 188 Page 190 Page 192 Page 194 Page Page Chapter 8. Additional Service Information Security features Passwords Power-on password Removing a power-on password Vital product data Management Information Format (MIF) Alert on LAN BIOS levels Flash (BIOS/VPD) update procedure Flash recovery boot block jumper 200 Page Power management Automatic configuration and power interface (ACPI) BIOS 202 Advanced Power Management Automatic Hardware Power Management features Setting Automatic Hardware Power Management features Automatic Power-On features Network settings Flash over LAN (update POST/BIOS over network) 204 Wake on LAN Page Chapter 9. Related service information Safety information General safety Electrical safety 208 Safety inspection guide Handling electrostatic discharge-sensitive devices 210 Grounding requirements Safety notices (multi-lingual translations) 212 Page 214 Page 216 Page Page Page Page Page Page Page Page Page 226 Page 228 Page 230 Page 232 Page Page Page Page Page 238 Page Send us your comments! 240 Problem determination tips Notices Trademarks 242

IBM manual 112

Models: 2254 2256 2257 6336 6337 6339 6341 6342 6346 6347 6348