Compaq Presario CQ42-400 Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 93

System board, Memory modules see

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System board Description Spare part number System board for use in models with discrete graphics subsystem (for models 1.0 and 1.1 only) 595181-001 System board for use in models with Unified Memory Architecture (UMA) graphics subsystem 595182-001 System board for use in models with discrete graphics subsystem and HDMI card reader (for models 1.0, 1.1 and 1.2 only) 595183-001 System board for use in models with UMA graphics subsystem and HDMI card reader 595184-001 System board for use in models with UMA graphics subsystem memory, Intel GL40 chipset, and HDMI card reader 605140-001 System board for use in HM55 HD5430/1 G discrete subsystem (for model 1.1 only) 608823-001 System board for use in HD5430/1 G discrete subsystem with HDMI card reader (for model 1.1 only) 608824-001 System board for use in HM55 HD545V discrete subsystem (for model 1.1 only) 615577-001 System board for use in HM55 HD545V discrete subsystem with HDMI card reader (for model 1.1 615578-001 only) System board for use in HD5470/512 MB discrete subsystem (for model 1.2 only) 615579-001 System board for use in HD5470/512 MB discrete subsystem with HDMI card reader (for model 1.2 only) 615580-001 System board for use in HD5470/1 GB discrete subsystem (for model 1.2 only) 615581-001 System board for use in HD5470/1 GB discrete subsystem with HDMI card reader (for model 1.2 615582-001 only) System board for use in HD6370/512 subsystem with HDMI card reader (for model 1.3 only) 631593-001 System board for use in HD6370/1-GB (for model 1.3 only) 631594-001 System board for use in HD6370/512M with HDMI reader card (for model 1.3 only) 631595-001 System board for use in HD6370/512M i3-370M with HDMI (for model 1.3 only) 631596-001 System board for use in i3-350M UMA subsystems (for model 1.3 only) 634648-001 System board for use in i3-370M UMA subsystems (for model 1.3 only) 637583-001 System board for use in HD6370/512M i3-370M (for model 1.3 only) 637584-001 System board GL40 UMA HDMI ROM 2M (for model 1.3 only) 639266-001 When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● RTC battery (see RTC battery on page 89) ● Memory modules (see Memory module on page 61) ● WLAN module (see WLAN module on page 58) ● Modem module (see Modem module on page 71) ENWW Component replacement procedures 83

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System board
Description
Spare part number
System board for use in models with discrete graphics subsystem (for models 1.0 and 1.1 only)
595181-001
System board for use in models with Unified Memory Architecture (UMA) graphics subsystem
595182-001
System board for use in models with discrete graphics subsystem and HDMI card reader (for
models 1.0, 1.1 and 1.2 only)
595183-001
System board for use in models with UMA graphics subsystem and HDMI card reader
595184-001
System board for use in models with UMA graphics subsystem memory, Intel GL40 chipset, and
HDMI card reader
605140-001
System board for use in HM55 HD5430/1 G discrete subsystem (for model 1.1 only)
608823-001
System board for use in HD5430/1 G discrete subsystem with HDMI card reader (for model 1.1
only)
608824-001
System board for use in HM55 HD545V discrete subsystem (for model 1.1 only)
615577-001
System board for use in HM55 HD545V discrete subsystem with HDMI card reader (for model 1.1
only)
615578-001
System board for use in HD5470/512 MB discrete subsystem (for model 1.2 only)
615579-001
System board for use in HD5470/512 MB discrete subsystem with HDMI card reader (for model
1.2 only)
615580-001
System board for use in HD5470/1 GB discrete subsystem (for model 1.2 only)
615581-001
System board for use in HD5470/1 GB discrete subsystem with HDMI card reader (for model 1.2
only)
615582-001
System board for use in HD6370/512 subsystem with HDMI card reader (for model 1.3 only)
631593-001
System board for use in HD6370/1-GB (for model 1.3 only)
631594-001
System board for use in HD6370/512M with HDMI reader card (for model 1.3 only)
631595-001
System board for use in HD6370/512M i3-370M with HDMI (for model 1.3 only)
631596-001
System board for use in i3-350M UMA subsystems (for model 1.3 only)
634648-001
System board for use in i3-370M UMA subsystems (for model 1.3 only)
637583-001
System board for use in HD6370/512M i3-370M (for model 1.3 only)
637584-001
System board GL40 UMA HDMI ROM 2M (for model 1.3 only)
639266-001
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
RTC battery (see
RTC battery
on page
89
)
●
Memory modules (see
Memory module
on page
61
)
●
WLAN module (see
WLAN module
on page
58
)
●
Modem module (see
Modem module
on page
71
)
ENWW
Component replacement procedures
83