System Board - HP PAVILION 311 Maintenance And Service Manual

Removal and replacement procedures

System board

Description
System board (includes processor, 1024-MB base memory, and replacement thermal material):
Includes Intel Atom N280 1.66-GHz processor, 512-KB Level 2 cache, 667-MHz front-side
bus (FSB) for use with the HP Mini and Compaq Mini
Includes Intel Atom N270 1.6-GHz processor, 512-KB Level 2 cache, 533-MHz front-side bus (FSB)
for use with the HP Mini and Compaq Mini
Includes Intel Pentium 1.3-GHz processor, 2048-KB Level 2 cache, 800-MHz FSB for use with HP
Pavilion
Includes Intel Pentium 1.2-GHz processor, 1024-KB Level 2 cache, 800-MHz FSB for use with the
HP Pavilion
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on,
and then shut it down through the operating system.
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. Accessory compartment cover (see
b. Hard drive (see
c. Keyboard (see
d. Top cover (see
e. Display 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:
SIM (see "SIM" on page
■
WLAN module (see
■
RTC battery (see
■
Expansion memory module (see
■
WWAN module (see
■
Power connector (see
■
Fan (see "Fan" on page
■
Heat sink (see
■
4–38
"Battery" on page
"WLAN module" on page
"Hard drive" on page
"Keyboard" on page
"Top cover" on page
"Display assembly" on page
4-8)
"WLAN module" on page
"RTC battery" on page
"Expansion memory module" on page
"WWAN module" on page
"Power connector" on page
4-42)
"Heat sink assembly" on page
4-7).
4-18)
4-21)
4-24)
4-31)
4-9)
4-15)
4-13)
4-41)
4-43)
Spare part number
580000-001
579999-001
581751-001
581750-001
4-9)
4-16)
Maintenance and Service Guide