System board
Description
PM57 PCH Peak-M system board with 1 GB of dedicated video memory (includes replacement
thermal material)
Before removing the system board, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Memory module compartment cover (see
b. Top cover (see
c. Speaker assembly (see
d. Hard drive (see
e. Processor fan/heat sink assembly (see
f. Video fan/heat sink assembly (see
When replacing the system board, be sure that the following additional components are removed from the defective
system board and installed on the replacement system board:
■
Expansion and primary memory modules (see
memory module" on page
■
WLAN module (see
■
RTC battery (see
■
Processor (see
Maintenance and Service Guide
"Battery" on page
"Top cover" on page
"Speaker assembly" on page
"Hard drive" on page
"Video fan/heat sink assembly" on page
4-15)
"WLAN module" on page
"RTC battery" on page
"Processor" on page
4-24)
4-7).
"Expansion memory module" on page
4-10)
4-14)
4-20)
"Processor fan/heat sink assembly" on page
"Expansion memory module" on page 4-8
4-16)
4-19)
Removal and replacement procedures
Spare part number
576772-001
4-8)
4-22)
4-27)
and
"Primary
4–29