Symptom / Error FRU / Action in Sequence
186 System board
188
(EEPROM CRC #2 error.)
Set the system
identification using the
“ThinkPad Hardware
Maintenance Diskette.
Version 1.40”
190
(A depleted battery pack
was installed when the
power was on.)
Go to “Checking the
Battery Pack” on
page 534.
191XX
(PM initialization error.)
1. System board
2. CPU card
195
(The configuration read from
the hibernation area does
not match the actual
configuration.)
Check if the configuration
was changed.
For example, check if a
DIMM is added or if the disk
drive is from another
computer.
196
(A read error occurred in the
hibernation area of the
HDD.)
1. Run the hard disk
drive test.
2. Hard disk drive
1XX System board
2XX
201: Memory data error.
202: Memory line error
00–15.
203: Memory line error
16–23.
205: Memory test failure on
on-board memory.
221: ROM to RAM remap
error.
1. Go to “Memory
Checkout” on
page 532.
2. DIMM
3. System board
301, 303, 304, 305, 3XX
(301: Keyboard error.)
1. Go to “Keyboard or
Auxiliary Input
Device Checkout” on
page 531.
2. Keyboard
3. Video card
4. External numeric
keypad
5. External keyboard
6. Keyboard/mouse cable
7. DC/DC card
8. System board
601, 6XX
(601: Diskette drive or
controller error.)
1. Go to “Diskette Drive
Checkout” on
page 529.
2. Diskette drive
3. Diskette
4. System board
544 IBM Mobile Systems HMM
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