Lenovo ThinkCentre M50 Hardware Maintenance Manual (HMM) - Page 5

Contents Chapter 1. About this manual . . . . . 1 Important Safety Information 1 Chapter 2. General information . . . . . 3 Features 3 Physical specifications 5 Types 8185, 8186, 8192, 8413, and 8430 . . . . . 6 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . . 7 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 8 Types 8196 and 8197 9 Chapter 3. General Checkout . . . . . 11 Chapter 4. IBM Enhanced Diagnostics 15 Diagnostics program download 15 Navigating through the diagnostics programs . . . 15 Running diagnostics tests 15 Test selection 16 Test results 16 Fixed disk advanced test (FDAT 16 Quick and Full erase - hard drive 18 Viewing the test log 18 Chapter 5. IBM Setup Utility program 19 Starting the IBM Setup Utility program . . . . . 19 Viewing and changing settings 19 Exiting from the IBM Setup Utility program . . . 20 Using passwords 20 User password 20 Administrator password 20 Setting, changing, and deleting a password . . . 20 Using Security Profile by Device 21 Using IDE Drives Setup 21 Selecting a startup device 22 Selecting a temporary startup device . . . . . 22 Changing the startup device sequence . . . . 22 Chapter 6. Replacing FRUs 23 Locating connectors on the front 23 Types 8185, 8186, 8192, 8413, and 8430 . . . . 23 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 23 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 25 Types 8196 and 8197 25 Locating the connectors on the rear 27 Types 8185, 8186, 8192, 8413, and 8430 . . . . 27 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 27 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 29 Types 8196 and 8197 29 Removing the cover 30 Types 8185, 8186, 8192, 8413, and 8430 . . . . 30 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 31 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 31 Types 8196 and 8197 32 Locating components 34 © Copyright IBM Corp. 2005 Types 8185, 8186, 8192, 8413, and 8430 . . . . 34 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 35 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 36 Types 8196 and 8197 37 Identifying parts on the system board (all machine types 38 Replacing memory (all machine types) . . . . . 38 Replacing adapters 39 Types 8185, 8186, 8192, 8413, and 8430 . . . . 39 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 41 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 42 Types 8196 and 8197 42 Replacing internal drives 43 Types 8185, 8186, 8192, 8413, and 8430 . . . . 43 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 45 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 48 Types 8196 and 8197 51 Connecting the drive 54 Parallel ATA hard disk drive 54 Serial ATA hard disk drive 55 CD drive, DVD drive, CD/RW drive, or DVD/CD/RW combo drive 55 Diskette drive 55 Replacing the battery (all machine types) . . . . 56 Replacing the power supply 57 Types 8185, 8186, 8192, 8413, and 8430 . . . . 57 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 57 Types 8189, 8190, 8194, 8195, 8196, 8197, 8415, 8432, and 8433 58 Replacing a microprocessor (all machine types) . . 59 Replacing the system board (all machine types) . . 61 Replacing the cover and connecting the cables. . . 63 Types 8185, 8186, 8192, 8413, and 8430 . . . . 63 Types 8128, 8187, 8188, 8193, 8414, and 8431 . . 64 Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 65 Types 8196 and 8197 66 Chapter 7. Symptom-to-FRU Index . . . 69 Hard disk drive boot error 69 Power Supply Errors 70 Diagnostic error codes 70 Beep symptoms 89 No-beep symptoms 91 POST error codes 92 Miscellaneous error messages 107 Undetermined problems 109 Power supply connectors 110 Connector P1 110 Connector P2, P3, P4, and P7 110 Connector P5 (Diskette drive 110 Connector P6 110 Connector P8 (Serial ATA 110 Chapter 8. Additional Service Information 111 iii