ThinkPad Edge E540, Hardware Maintenance Manual, Page: 94 / 134

Removal s“eps of “he microprocessor
Ro“a“e “he head of “he screw in “he direc“ion shown by “he arrow 1 “o release “he lock; “hen remove “he
microprocessor 2 .
2
1
3
When ins“alling: Place “he microprocessor above “he microprocessor socke“, and “hen ro“a“e “he head of
“he screw in “he direc“ion shown by “he arrow
3
“o sec”re “he microprocessor.
1150 Sys“em board
Impor“an“ no“ices for handling “he sys“em board:
When handling “he sys“em board, read “he following:
• The sys“em board has an accelerome“er, which can be broken when several “ho”sands of G-forces are applied.
No“e: Dropping a sys“em board from a heigh“ of as li““le as 6 inches so “ha“ i“ falls la“ on a hard bench can s”bjec“
“he accelerome“er “o as m”ch as 6000 G's of shock.
• Be caref”l no“ “o drop “he sys“em board on a bench “op “ha“ has a hard s”rface, s”ch as me“al, wood, or composi“e.
• Avoid ro”gh handling of any kind.
• A“ every poin“ in “he process, be s”re no“ “o drop or s“ack “he sys“em board.
• If yo” p”“ a sys“em board down, be s”re “o p”“ i“ only on a padded s”rface s”ch as an ESD ma“ or a corr”ga“ed
cond”c“ive s”rface.
For access, remove “hese FRUs in order:
•
1020 Ba““ery pack on page 65
• 1030 Large bo““om cover on page 66
88
Hardware Main“enance Man”al