HP 285 Maintenance and Service Guide - Page 54

Processor for use in HP 285 G2 models (AMD

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Processor for use in HP 285 G2 models (AMD) Description AMD A10-8750B, 3.6 GHz AMD A10-7800B, 3.57 GHz AMD A8-8650B, 3.2 GHz AMD A8-7600B, 3.1 GHz AMD A6-8550B, 3.7 GHz AMD A6-6420B, 4.0 GHz Description AMD A6-6400B, 3.9 GHz AMD A6-5400B, 3.6 GHz AMD A4-7300B, 3.8 GHz AMD A4-6300B, 3.7 GHz AMD A4-5300B, 3.4 GHz 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the fan sink (Fan sink on page 44). 4. Rotate the locking lever to its full open position (1). 5. Raise and rotate the microprocessor retainer to its fully open position (2), and then carefully lift the processor from the socket (3). CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling them could cause irreparable damage. Once pins are damaged it may be necessary to replace the system board. Reverse the removal procedure to install a new processor. NOTE: After installing a new processor onto the system board, update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. 46 Chapter 4 Removal and replacement procedures - Microtower (MT) chassis

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Processor for use in HP 285 G2 models (AMD)
Description
Description
AMD A10-8750B, 3.6 GHz
AMD A6-6400B, 3.9 GHz
AMD A10-7800B, 3.57 GHz
AMD A6-5400B, 3.6 GHz
AMD A8-8650B, 3.2 GHz
AMD A4-7300B, 3.8 GHz
AMD A8-7600B, 3.1 GHz
AMD A4-6300B, 3.7 GHz
AMD A6-8550B, 3.7 GHz
AMD A4-5300B, 3.4 GHz
AMD A6-6420B, 4.0 GHz
1.
Prepare the computer for disassembly (
Preparation for disassembly
on page
17
).
2.
Remove the access panel (
Access panel
on page
18
).
3.
Remove the fan sink (
Fan sink
on page
44
).
4.
Rotate the locking lever to its full open position
(1)
.
5.
Raise and rotate the microprocessor retainer to its fully open position
(2)
, and then carefully lift the
processor from the socket
(3)
.
CAUTION:
Do NOT handle the pins in the processor socket. These pins are very fragile and handling
them could cause irreparable damage. Once pins are damaged it may be necessary to replace the
system board.
Reverse the removal procedure to install a new processor.
NOTE:
After installing a new processor onto the system board, update the system ROM to ensure that the
latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at:
support/files
.
46
Chapter 4
Removal and replacement procedures – Microtower (MT) chassis