Compaq Presario V2620TS Notebook PC Windows XP Driver

Mobile Intel 915GM/GMS, 910GML Express Chipset Family Driver
ftp://ftp.hp.com/pub/softpaq/sp32001-32500/sp32127.exe

Conexant AC-Link Audio Driver
ftp://ftp.hp.com/pub/softpaq/sp32001-32500/sp32272.exe

Conexant AC97 Soft Data/Fax Modem with SmartCP Driver
ftp://ftp.hp.com/pub/softpaq/sp32001-32500/sp32273.exe
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WIRELESS
Broadcom Wireless LAN Driver
ftp://ftp.hp.com/pub/softpaq/sp42001-42500/sp42488.exe

Intel PRO/Wireless Drivers
ftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34489.exe

HP Wireless Assistant
ftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32768.exe

Intel PRO Network Adapter Driver
ftp://ftp.hp.com/pub/softpaq/sp32001-32500/sp32144.exe

Support Software for HP Integrated Module with Bluetooth Wireless Technology
ftp://ftp.hp.com/pub/softpaq/sp31001-31500/sp31139.exe

Broadcom WLAN Network Adapters Driver
ftp://ftp.hp.com/pub/softpaq/sp31001-31500/sp31463.exe

REALTEK RTL8139/810x NIC Driver
ftp://ftp.hp.com/pub/softpaq/sp30001-30500/sp30264.exe

STORAGE DRIVER
Texas Instruments Media Card Reader Driver

BIOS
WinFlash Utility for HP Notebook System BIOS - Microsoft Windows-Based

Samsung MP0603H 60-GB Hard Disk Firmware Update

HP Update and HP Software Update - Critical Security Update
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DRIVER, KEYBOARD MOUSE AND INPUT DEVICES

HP Quick Launch Buttons

Synaptics Touchpad Driver

HP Wireless Laser Mini Mouse Software Driver

Samsung MP0603H 60-GB Hard Disk Firmware Update

HP Update and HP Software Update - Critical Security Update

Restoring HP QuickPlay Boot

The rest of the optional driver you can found at:
http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=228&lc=en&dlc=en&cc=us&lang=en&product=1842031