Comment 1 for bug 86932

You can find the chipset information by downloading the driver and extracting it (Self-Extracting .EXE File) from Dell's website for the Dell Inspiron 1501 notebook's 802.11a/g/n wireless. I have included the info and links below.

Download the driver here:
http://ftp.us.dell.com/network/R140747.EXE

Or here:
ftp://ftp.us.dell.com/network/R140747.EXE

Driver website:
http://support.dell.com/support/downloads/download.aspx?c=us&cs=19&l=en&s=dhs&releaseid=R140747&SystemID=INS_PNT_1501&os=WW1&osl=en&deviceid=9806&devlib=0&typecnt=1&vercnt=7&formatcnt=1&libid=5&fileid=187881

Release Title: Network: Dell _Wireless (US) WLAN Card, Wireless 1350 WLAN MiniPCI Card, Wireless 1350 WLAN PC Card, Wireless 1370 WLAN MiniPCI Card, Wireless 1390 WLAN ExpressCard, Wireless 1390 WLAN MiniCard, Wireless 1450 WLAN miniPCI Card, Wireless 1470 Dual-Band WLAN miniPCI Card, Wireless 1490 Dual-Band WLAN MiniCard, Wireless 1500 Draft 802.11n WLAN mini Card, Driver, Windows XP, Windows XP x64, Multi Language, Multi System, v.4.100.15.5 / 4.100.15.8, A10

Download this driver if you reside in the US. This release supports the Dell Wireless 1350, 1370, 1450,1390, 1490, and 1500 series Mini Card, MiniPCI and PC Card devices (not USB).

The Dell Wireless WLAN Card has the following features:

IEEE 802.11a operation (5-GHz frequency band)
IEEE 802.11g operation (2.4-GHz frequency band)
Network data rate of up to 54 Mbit/s
Unscheduled Automatic Power Save Delivery support
Cisco Compatible Extensions v4 support
IPv6 support
Smart card authentication support, including authentication during single sign-on
Dell Wireless WLAN Card Utility for managing your wireless networks, running hardware tests, and getting wireless network-related information
Wireless Network Connection Settings tool for connecting to advanced infrastructure networks
Wireless Network Wizard for connecting to basic infrastructure networks and ad hoc networks and creating ad hoc networks

New for this release

Windows XP 64-bit support
Dell Wireless 1500 Draft 802.11n WLAN Mini-Card only: Draft IEEE 802.11n operation (2.4-GHz frequency band and 5-GHz frequency band) with a network data rate of up to 270 Mbit/s for 40 MHz bandwidth channel and 130 Mbit/s for 20 MHz bandwidth channel

Fixes a security vulnerability related to wireless beacons

NOTE: Not all Dell Wireless WLAN Card models support IEEE 802.11a (5-GHz) or IEEE 802.11n operation.

The Dell Wireless WLAN Card works with any IEEE 802.11 Wi-Fi CERTIFIED™ wireless router/AP or wireless client network adapter.

Thank you