Lenovo ThinkCentre A30 Hardware Maintenance Manual (HMM) for ThinkCentre 2296, - Page 46

Identifying, parts, system, board, machine, types, Replacing, memory - front panel

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Identifying parts on the system board (all machine types) 1 Microprocessor 2 Rear fan connector 3 Microprocessor fan connector 4 DIMM connector 1 5 DIMM connector 2 6 Power connector 7 Diskette drive 8 Primary IDE connector 9 Front panel connector 10 Secondary IDE connector 11 Battery 12 Clear CMOS/Recovery jumper 13 POV card (some models) 14 SCSI LED connector 15 PCI slots 16 Front panel audio connector 17 CD-ROM audio connector 18 AGP slot (some models) 19 Serial connector Replacing memory (all machine types) The computer has four connectors for installing dual inline memory modules (DIMMs) that provide up to a maximum of 4.0 GB of system memory. When installing DIMMs, the following rules apply: v Fill each DIMM connector sequentially, starting at DIMM connector 1. v Use 2.5 V, 184-pin, 333 MHz double data rate synchronous dynamic random access memory (DDR SDRAM). v Use 128 MB, 256 MB, 512 MB or 1.0 GB DIMMs in any combination. v DIMMs are 38.1 mm (1.5 inches) in height. Note: Only DDR SDRAM DIMMs can be used. To replace a DIMM: 40 Hardware Maintenance Manual

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Identifying
parts
on
the
system
board
(all
machine
types)
±1²
Microprocessor
±11²
Battery
±2²
Rear
fan
connector
±12²
Clear
CMOS/Recovery
jumper
±3²
Microprocessor
fan
connector
±13²
POV
card
(some
models)
±4²
DIMM
connector
1
±14²
SCSI
LED
connector
±5²
DIMM
connector
2
±15²
PCI
slots
±6²
Power
connector
±16²
Front
panel
audio
connector
±7²
Diskette
drive
±17²
CD-ROM
audio
connector
±8²
Primary
IDE
connector
±18²
AGP
slot
(some
models)
±9²
Front
panel
connector
±19²
Serial
connector
±10²
Secondary
IDE
connector
Replacing
memory
(all
machine
types)
The
computer
has
four
connectors
for
installing
dual
inline
memory
modules
(DIMMs)
that
provide
up
to
a
maximum
of
4.0
GB
of
system
memory.
When
installing
DIMMs,
the
following
rules
apply:
v
Fill
each
DIMM
connector
sequentially,
starting
at
DIMM
connector
1.
v
Use
2.5
V,
184-pin,
333
MHz
double
data
rate
synchronous
dynamic
random
access
memory
(DDR
SDRAM).
v
Use
128
MB,
256
MB,
512
MB
or
1.0
GB
DIMMs
in
any
combination.
v
DIMMs
are
38.1
mm
(1.5
inches)
in
height.
Note:
Only
DDR
SDRAM
DIMMs
can
be
used.
To
replace
a
DIMM:
40
Hardware
Maintenance
Manual