IBM IntelliStation 6866, Hardware Maintenance Manual, Page: 87 / 148

Symptom-to-FRU index
79
Miscellaneous error messages
27562 1. External Power Control not connected
2. External Power Control
3. ServerGuard Adapter
27563, 27564 1. External Power Control
2. ServerGuard Adapter
275XX 1. Update Diagnostic Software
27801 to 27879 1. Personal Dictation System
2. Adapter
3. System Board
27880 to 27889 1. External FRU
(Speaker, Microphone)
999030X Hard disk reset failure 1. Possible hard disk drive problem; see “Hard disk
drive boot error” on page 46.
Message/Symptom FRU/Action
CMOS Backup Battery inaccurate 1. CMOS Backup Battery (see “Safety information” on
page 125“Safety Information” on page 112.
2. System Board
Changing colors 1. Display
Computer will not power-off. See “20-pin power supply
connection” on page 34 1. Power Switch
2. System Board
Computer will not RPL from server 1.
Ensure that network is in startup sequence as first
device or first device after diskette
2. Ensure that network adapter is enabled for RPL
3. Network adapter (Advise network administrator of
new MAC address)
Computer will not Wake On LAN (if applicable) 1. Check power supply and signal cable connections to
network adapter
2. Ensure that the operating system settings are set to
enable Wake on LAN
3. Ensure Wake On LAN feature is enabled in
Setup/Configuration (see “Setup Utility program” on
page 5
4. Ensure network administrator is using correct MAC
address
5. Ensure no interrupt or I/O address conflicts
6. Network adapter (advise network administrator of
new MAC address)
Dead computer. See “20-pin power supply connection” on
page 34. 1.
Power Supply
2. System Board
POST Error Code FRU/Action