Category
Description
DRDVD Windows XP Professional
DRDVD Windows Vista
Red Flag Linux (in the People's Republic of China
only)
SUSE Linux
Certified: Microsoft® WHQL
Web Support:
Windows 7 Professional 64
Windows Vista Business 64
Serviceability
End-user replaceable parts:
AC adapter
Battery (system)
Bluetooth module
Keyboard
Speaker assembly
Hard drive
Memory module
Optical drive
WLAN module
WWAN module
HP
HP
ProBook
ProBook
ProBook
4320s
4320s /
4321s
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
HP
HP
ProBook
4420s
4421s
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
9