you can get all the drivers Here
Any problems leave us a comment.. but please be aware of the nature of this post!
these are for
Dell Inspiron 1521 (Windows XP) Drivers x86
they may work on other devices...
Looking for x64 Drivers.. google these
R140747.exe - Dell Wireless 1390 WLAN MiniPCI Card
R158235.exe - SIGMATEL STAC 92XX C-Major HD Audio Driver Version A09
R163694.exe - AMD Radeon Xpress 1270
R147130.exe - Conexant D330,HDA,MDC,v.92,modem diagnostics utility verion A00
R141763.exe - Ricoh R5C832,R5C833 Driver Version A00 For MXG061; Precision: M90 (for those unidentified Base System Devices)
R150157.exe - Conexant D330,HDA,MDC,v.92,modem driver Version A01
(for the LAN you need to look for it on the broadcom site) use this site