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Symptom / Error FRU / Action in Sequence
188
(EEPROM CRC #2 error.)
1. Set the system
identification using
the ThinkPad 750Ce
hardware
maintenance diskette.
190
(Depleted battery pack was
installed when the power
was on.)
1. Go to “Checking the
Battery Pack” on
page 102.
191XX
(PM initialization error.)
1. System Board
2. CPU card
195
(The configuration read from
the hibernation area does
not match the actual
configuration.)
1. Check if the
configuration was
changed.
For example, check if
the hard disk drive is
from another computer.
Also, when a DIMM
card has been
installed, unsecured
DIMM latches can
result in this error.
Make sure the DIMM is
securely seated and
fully latched into place.
196
(Read error occurred in the
hibernation area of the
HDD.)
1. Run the hard disk
drive test.
2. Hard Disk Drive
199XX
(Resume error.)
1. System Board
1XX 1. 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 97.
2. DIMM
3. System Board
301, 303, 304, 305, 3XX
(301: Keyboard error.)
1. Go to
“Keyboard/Auxiliary
Input Device
Checkout” on
page 98.
2. Keyboard
3. External Numeric
Keypad
4. External Keyboard
5. Keyboard/Mouse Cable
6. Keyboard Card
7. System Board
108 IBM Mobile Systems - ThinkPad HMM Volume 3