IBM 6339 - Page 114

106 IBM : Hardware Maintenance Manual
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 72.
POST Error Code FRU/Action