IBM 865741Y Hardware Maintenance Manual - Page 196
using LCCM Hybrid
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Page 196 highlights
Message/Symptom "Insert a Diskette" icon appears with a known-good diagnostics diskette in the first 3.5-inch diskette drive. Intensity or color varies from left to right of characters and color bars. No power, or fan not running. Nonsystem disk or disk error-type message with a known-good diagnostic diskette. Other display symptoms not listed above (including blank or illegible display). Power-on indicator or hard disk drive in-use light not on, but computer works correctly. Program loads from the hard disk with a known-good diagnostics diskette in the first 3.5-inch diskette drive. RPL computer cannot access programs from its own hard disk. RPL computer does not RPL from server. Serial or parallel port device failure (system board port). Serial or parallel port device failure (adapter port). Some or all keys on the keyboard do not work. FRU/Action 1. Diskette Drive 2. System Board 3. Diskette Drive Cable 4. Network Adapter 1. Display 2. System Board 1. See "Power supply" on page 59. 1. Diskette Drive 2. System Board 3. Diskette Drive Cable 1. System Board 2. Display 1. Power Supply 2. System Board 3. LED Cables 1. Run Setup 2. Diskette Drive 3. Diskette Drive Cable 4. System Board 5. Power Supply 1. If network admin. is using LCCM Hybrid RPL, check startup sequence: First device: network; Second device: hard disk 2. Hard disk drive 1. Check startup sequence 1. External Device Self-Test OK? 2. External Device 3. Cable 4. System Board 1. External Device Self-Test OK? 2. External Device 3. Cable 4. Alternate Adapter 5. System Board 1. Keyboard 2. Keyboard Cable 3. System Board 188 Netfinity Server HMM
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