Driver Downloads

WLAN standard     IEEE 802.11b, 802.11g
 
Frequency     2.4 GHz
 
Data rates     802.11b: 1, 2, 5.5, and 11 Mbps
 
802.11g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps
 

AHCI driver (F6 Intel SATA HDD Driver Floppy Utility.zip)Follow this guide (slipstreaming ahci driver using nlite)to install Windows XP with sata AHCI mode
Acer Extensa 7620 7620G Windows XP Drivers :
Intel Matrix Storage ManagerAcer Extensa 7620 7620G Windows XP DriverAHCI_Intel_v7.5.0.1017_Vista_XP.zip
Acer Bio ProtectionAcer Extensa 7620 7620G Windows XP DriverAcer_BioProtection_v3.0.1.1_XPx32×64_Authentec_MC3000A.zip
Audio RealtekAcer Extensa 7620 7620G Windows XP DriverAudio_Realtek_v5.10.0.5423_XP.zip
BluetoothAcer Extensa [...]