Lenovo ThinkCentre M55e User Manual - Page 47
CMOS/Recovery
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The following illustration shows the locations of parts on the system board for some computer models. 1 Microprocessor and heat sink 12 Front USB connectors (2) 2 Microprocessor fan connector 13 Serial (COM) connector 3 Memory connector 1 14 Front audio connector 4 Memory connector 2 15 CD-IN connector 5 Power connector 16 PCI adapter connectors (2) 6 Diskette drive connector 17 PCI Express x1 adapter connector 7 IDE connector 18 Battery 8 SATA IDE connectors (2) 19 PCI Express x16 graphics adapter connector 9 Power fan connector 20 System fan connector 10 Front panel connector 21 12v power connector 11 Clear CMOS/Recovery jumper Chapter 3. Installing options 27
The
following
illustration
shows
the
locations
of
parts
on
the
system
board
for
some
computer
models.
±1²
Microprocessor
and
heat
sink
±12²
Front
USB
connectors
(2)
±2²
Microprocessor
fan
connector
±13²
Serial
(COM)
connector
±3²
Memory
connector
1
±14²
Front
audio
connector
±4²
Memory
connector
2
±15²
CD-IN
connector
±5²
Power
connector
±16²
PCI
adapter
connectors
(2)
±6²
Diskette
drive
connector
±17²
PCI
Express
x1
adapter
connector
±7²
IDE
connector
±18²
Battery
±8²
SATA
IDE
connectors
(2)
±19²
PCI
Express
x16
graphics
adapter
connector
±9²
Power
fan
connector
±20²
System
fan
connector
±10²
Front
panel
connector
±21²
12v
power
connector
±11²
Clear
CMOS/Recovery
jumper
Chapter
3.
Installing
options
27