Lenovo ThinkCentre E51 User Manual - Page 28

following, illustration, shows, locations, parts, system, board, models.

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The following illustration shows the locations of parts on the system board for some models. 1 Microprocessor and heat sink 2 Fan connector 3 Memory connector 1 4 Memory connector 2 5 Memory connector 3 6 Memory connector 4 7 Power connector 8 Diskette drive connector 9 Primary IDE connector 10 Battery 11 Clear CMOS/Recovery jumper Note: This part may be a two-pin header. 12 SATA connectors (4) 13 Front panel connector 14 Front USB connector 15 Front audio connector 16 PCI adapter connectors 17 12v power connector 12 User Guide

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The
following
illustration
shows
the
locations
of
parts
on
the
system
board
for
some
models.
±1²
Microprocessor
and
heat
sink
±10²
Battery
±2²
Fan
connector
±11²
Clear
CMOS/Recovery
jumper
Note:
This
part
may
be
a
two-pin
header.
±3²
Memory
connector
1
±12²
SATA
connectors
(4)
±4²
Memory
connector
2
±13²
Front
panel
connector
±5²
Memory
connector
3
±14²
Front
USB
connector
±6²
Memory
connector
4
±15²
Front
audio
connector
±7²
Power
connector
±16²
PCI
adapter
connectors
±8²
Diskette
drive
connector
±17²
12v
power
connector
±9²
Primary
IDE
connector
12
User
Guide