Compaq 320, 321, 420, 421, 620 and 621 Notebook PC and HP 420 and 620 Notebook PC

Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
S3/S4/S5 wake on LAN: AC only mode √√ √
Ethernat cable not included √√ √
Wireless Integrated WLAN options by way of MiniPCI card:
2 WLAN antennas built into display assembly √√ √
Supports option for no-WLAN √√ √
Support for the following WLAN formats:
●
Broadcom 802.11b/g
●
Broadcom 802.11b/g/n (1 x 1)
●
Atheros 802.11 b/g/n (1 x 1)
●
Ralink 802.11b/g/n
●
Realtek 802.11 b/g/n (1 x 1)
●
Intel 802.11 b/g/n (1 x 2)
√√ √
Integrated wireless personal area network (WPAN) options by way of Bluetooth®
module:
Support option for no-WPAN √√ √
Bluetooth 2.1 √√ √
External media
cards
One ExpressCard/33-mm √√ √
Media Card Reader supporting Secure Digital
(SD) Memory Card, Secure Digital High
Capacity (SDHC) Memory Card,
MultiMediaCard (MMC) formats
√√ √
Ports Audio-in (microphone) √√ √
Audio-out (stereo headphone) √√ √
RJ-11 (modem) √√ √
RJ-45 (Ethernet, includes link and activity
lights)
√√ √
USB 2.0 (3) √√ √
HP non-Smart adapter √√ √
VGA (Dsub 15-pin) supporting 1600 × 1200
external resolution at 75-GHz (hot plug/
unplug with auto-detect)
√√ √
Multi-pin AC power √√ √
HDMI √√ √
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