1150 System Board and PCMCIA Slot

Assembly
Diskette Drive/CD-ROM Drive (1020)
Battery Pack (1030)
Hard Disk Drive (1040)
Top Cover (1060)
Keyboard Unit (1070)
LCD Unit (1080)
Front IR and Rear IR (1090)
Video Card (1110)
DC/DC Card (1120)
DSP Card / Audio (ESS) Card (1130)
CPU Card (1140)
Notes:
1. The system unit serial number must be restored when
the system board is replaced. To restore the system
unit serial number, select the option “Set system
identification” on the maintenance diskette. The
EEPROM on the system board contains the vital
product data (VPD), the system unit serial number,
system board system number, and other
computer-unique data.
Note: Do not power off the computer when restoring
the VPD.
The system unit serial number label is attached to the
base cover.
2. Before removing and replacing the system board,
make sure that the PCMCIA cards are removed and
the eject levers are not sticking out.
3. Do not pull the PCMCIA slot assembly while removing
the system board.
4. When handling the PCMCIA slot assembly, be careful
not to disassemble any part of it. The slot assembly
is not solidly fixed when it is removed from the
system board or the FRU.
5. Be sure to unlock both ends of the PCMCIA
connector before removing the PCMCIA slot
assembly from the system board (.2/).
416 IBM Mobile Systems - ThinkPad HMM Volume 3