Dell Latitude C840 Service Manual - Page 44

Closing the Microprocessor Retaining Clip, Microprocessor Cam Screw

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Microprocessor Module: Dell Latitude C840 Service Manual 1. Align the pin-1 triangle on the microprocessor with the pin-1 triangle in the socket, insert the microprocessor into the socket, and move the microprocessor around slightly until you feel it settle into the socket. When the microprocessor module is correctly seated, all four corners are aligned to the same height. If one or more corners of the module are higher than the others, the module is not seated correctly. NOTICE: Hold the microprocessor down while turning the cam screw to prevent intermittent contact between the cam screw and microprocessor (see "Microprocessor Cam Screw"). 2. Tighten the cam screw. NOTICE: Do not over- or undertighten the screw. Tighten the screw until the screw indicator points to the "closed" or "locked" indicator on the socket. 3. Replace the microprocessor thermal-cooling assembly. Closing the Microprocessor Retaining Clip file:///F|/Service%20Manuals/Dell/Latitude/c840/cpu.htm (4 of 5) [2/28/2004 8:03:42 AM]

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Microprocessor Module: Dell Latitude C840 Service Manual
1.
Align the pin-1 triangle on the microprocessor with the pin-1 triangle in the
socket, insert the microprocessor into the socket, and move the microprocessor
around slightly until you feel it settle into the socket.
When the microprocessor module is correctly seated, all four corners are aligned
to the same height. If one or more corners of the module are higher than the
others, the module is not seated correctly.
NOTICE:
Hold the microprocessor down while turning the cam screw to prevent
intermittent contact between the cam screw and microprocessor (see
"
Microprocessor Cam Screw
").
2.
Tighten the cam screw.
NOTICE:
Do not over- or undertighten the screw. Tighten the screw until the
screw indicator points to the "closed" or "locked" indicator on the socket.
3.
Replace the microprocessor thermal-cooling assembly.
Closing the Microprocessor Retaining Clip
file:///F|/Service%20Manuals/Dell/Latitude/c840/cpu.htm (4 of 5) [2/28/2004 8:03:42 AM]