Lenovo ThinkCentre M77 Hardware Maintenance Manual (HMM) - ThinkCentre M77 - Page 70

Diagnostic Error Code 201-XXX-XXX System Memory error 202-000-XXX System Cache Test Passed 202-XXX-XXX System Cache error 206-000-XXX Diskette Drive Test Passed 206-XXX-XXX Diskette Drive error 215-000-XXX CD-ROM Drive Test Passed 215-XXX-XXX CD-ROM Drive error 217-000-XXX Hard Disk Drive Test Passed 217-25X-XXX 217-26X-XXX Hard Disk Drive (IDE) error 217-28X-XXX 217-29X-XXX Hard Disk Drive (SCSI) error 220-000-XXX Hi-Capacity Cartridge Drive Test Passed 220-XXX-XXX Hi-Capacity Cartridge Drive error 301-XXX-XXX Keyboard error 301-000-XXX Keyboard Test Passed 302-000-XXX Mouse Test Passed 302-XXX-XXX Mouse error 303-000-XXX Joystick Test Passed 303-XXX-XXX Joystick error FRU/Action 1. Replace the memory module called out by the test 2. System board No action 1. Cache, if removable 2. System board 3. Microprocessor No action 1. Diskette Drive Cable 2. Check power supply voltages 3. Diskette drive 4. System board No action 1. CD-ROM Drive Cable 2. Check power supply voltages 3. CD-ROM drive 4. System board No action 1. Hard Disk Drive Cable 2. Check power supply voltages 3. Reseat the hard disk drive cable 4. Hard Disk drive (IDE) 5. System board 1. Hard Disk Drive Cable 2. Check power supply voltages 3. Reseat the hard disk drive cable 4. Hard Disk drive (SCSI) 5. SCSI adapter card 6. System board No action 1. Remove the Hi-Capacity Cartridge Drive and re-test the system 1. Keyboard 2. Check and test mouse 3. System board No action No action 1. Mouse 2. Check and test Keyboard 3. System board No action Remove the Joystick and re-test the system 66 ThinkCentre Hardware Maintenance Manual