System information
Table Of Contents
- Product description
- External component identification
- Illustrated parts catalog
- Removal and replacement procedures
- Preliminary replacement requirements
- Component replacement procedures
- Serial number
- Computer feet
- Battery
- Hard drive
- Optical drive
- WLAN module
- Memory module
- Keyboard
- Top cover
- Speaker assembly
- Power button board
- TouchPad button board
- Modem module
- Bluetooth module
- USB board
- Power connector cable
- Display assembly
- System board
- Optical drive SATA cable and connector
- RTC battery
- Fan/heat sink assembly
- Processor
- Setup Utility
- Specifications
- Backup and recovery
- Connector pin assignments
- Power cord set requirements
- Recycling
- Index
Category Description HP G42 Compaq
Presario
CQ42
Compaq
Presario
CQ42
Compaq
Presario
CQ42
UMA Discrete UMA
Models 150
– 199
UMA
Models 100
– 149
DDR3, 800-MHz, dual-channel
memory (DDR3 1333 MHz can be
downgraded to DDR3 800 MHz)
√
Supports the following configurations:
●
4096 MB (2048 MB × 2) √√√√
●
3072 MB (1024 MB × 1 +
2048 MB × 1)
√√√√
●
2048 MB (2048 MB × 1) √√√√
●
2048 MB (1024 MB × 2) √√√√
●
1024 MB (1024 MB × 1) √√√√
Hard drives Supports 9.5-mm, 6.35-cm (2.5-in)
hard drives
√√√√
Serial ATA √√√√
Supports the following drives:
●
640-GB 5400 RPM √√√
●
500 GB, 7200 rpm √√√
●
320 GB, 7200 rpm √√√√
●
250 GB, 7200 rpm √√√√
●
160 GB, 7200 rpm √√√
Optical drives Fixed (removal of one screw required) √√√√
SATA √√√√
12.7-mm (0.50-in) tray load √√√√
Supports the following drives:
●
Blu-ray ROM with LightScribe
DVD±R/RW SuperMulti DL Drive
√√√
●
Blu-ray ROM DVD±R/RW
SuperMulti DL Drive
√√√
●
DVD±R/RW SuperMulti DL Drive
with LightScribe
√√√√
●
DVD±R/RW SuperMulti DL Drive √√√√
Diskette drive Supports external USB drive only √√√√
Camera VGA camera √√√√
4 Chapter 1 Product description