Dell OptiPlex GXi Reference and Installation Guide (.pdf) - Page 82

Removing the Microprocessor, Pin-1, Corner, Identificatio

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microprocessor chip pin-1 corner (gold finger and square pad) microprocessor socket release lever Figure 6-10. Removing the Microprocessor 5. Unpack the new microprocessor. CAUTION: Be careful not to bend any of the pins when unpacking the microprocessor. Bending the pins can permanently damage the microprocessor. If any of the pins on the chip appear to be bent, see the chapter titled "Getting Help" in your Diagnostics and Troubleshooting Guide for instructions on obtaining technical assistance. 6. Align the pin-1 corner of the microprocessor chip (see Figure 6-11) with the pin-1 corner of the microprocessor socket (see Figure 6-12). NOTE: Identifying the pin-1 corners is critical to positioning the chip correctly. Identify the pin-1 corner of the microprocessor by turning the chip over and locating the tiny gold finger that extends from one corner of the large central rectangular area. The gold finger points toward pin 1, which is also uniquely identified by a square pad. Figure 6-11. Pin-1 Corner Identification The pin-1 corner of the socket is the corner to your left and closest to the front of the chassis as you face the front of the computer (see Figure 6-1). 7. Install the microprocessor chip in the socket (see Figure 6-12). CAUTION: Positioning the microprocessor chip incorrectly in the socket can permanently damage the chip and the computer when you turn on the system. If the release lever on the microprocessor socket is not all the way up, move it to that position now. With the pin-1 corners of the chip and socket aligned, align the pins on the chip with the holes in the socket. Set the chip lightly in the socket and make sure all pins are headed into the correct holes. Because your system uses a ZIF microprocessor socket, there is no need to use force (which could bend the pins if the chip is misaligned). When the chip is positioned correctly, it should drop down into the socket with minimal pressure. CAUTION: When placing the microprocessor chip in the socket, be sure that all of the pins go into the corresponding holes on all sides of the socket. Be careful not to bend the pins. When the chip is fully seated in the socket, pivot the microprocessor-socket release lever back down until it snaps into place, securing the chip. 6-8 Dell OptiPlex GXi Low-Profile Systems Reference and Installation Guide

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6
-
8
Dell OptiPlex G
X
i
Low-Profile Systems Reference and Installation G
uide
Figure 6-10.
Removing the Microprocessor
5.
Unpack the new microprocessor.
If any of the pins on the chip appear to be bent, see
the chapter titled “Getting Help” in your
Diagnostics
and Troubleshooting Guide
for instructions on
obtaining technical assistance.
6.
Align the pin-1 corner of the microprocessor chip
(see Figure
6-
1
1) with the pin-1 corner of the
microprocessor socket (see Figure
6-
1
2).
NOTE: Identifying the pin-1 corners is critical to
positioning the chip correctly.
Identify the pin-1 corner of the microprocessor by
turning the chip over and locating the tiny gold fin-
ger that extends from one corner of the large central
rectangular area. The gold finger points toward
p
in
1
, which is also uniquely identified by a square
pad.
Figure 6-11.
Pin-1
Corner
Identificatio
n
T
he pin-1 corner of the socket is the corner to your
left
and closest to the
front
o
f the chassis as you face
the front of the
computer (
see Figure
6-
1
).
7.
Install the microprocessor chip in the socket (see
Figure
6-
1
2).
If the release lever on the microprocessor socket is
not all the way up, move it to that position now.
With the pin-1 corners of
the
chip and socket
aligned, align the pins on the chip with the holes in
the socket. Set the chip lightly in the socket and
make sure all pins are headed into the correct holes.
Because your system uses a ZIF microprocessor
socket, there is
no need to use force
(which could
bend the pins if the chip is misaligned). When the
chip is positioned correctly, it should drop down into
the socket with minimal pressure.
When the chip is fully seated in the socket, pivot the
microprocessor-socket release lever back down until
it snaps into place, securing the chip.
CAUTION: Be careful not to bend any of the
pins when unpacking the microprocessor.
Bending the pins can permanently damage the
microprocessor.
microprocessor chip
microprocessor
socket
release lever
CAUTION: Positioning the microprocessor
chip incorrectly in the socket can permanently
damage the chip and the computer when you
turn on the system.
CAUTION: When placing the microprocessor
chip in the socket, be sure that all of the pins go
into the corresponding holes on all sides of the
socket. Be careful not to bend the pins.
pin-1 corner (gold finger
and square pad)