Drivers For Linux

I am a member of serveral driver guide groups, they have drivers for hardware to be used with linux. my problem is, im new to linux and at the present i dont know where to download the drivers to. I am checking out several distro's, one im using now is linux desktop 9.2 live cd. can anyone guide me. the first one i am interested in is the video driver, ATI Rage 128. thanks

SPEC's
OS Name Microsoft Windows XP Home Edition
Version 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer Microsoft Corporation
System Manufacturer Dell Computer Corporation
System Model DIM4400
System Type X86-based PC
Processor x86 Family 15 Model 1 Stepping 2 GenuineIntel ~1695 Mhz
BIOS Version/Date Intel Corp. A05, 3/14/2002
SMBIOS Version 2.3
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume2
Locale United States
Hardware Abstraction Layer Version = "5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)"
Time Zone Central Daylight Time
Total Physical Memory 256.00 MB
Available Physical Memory 60.40 MB
Total Virtual Memory 2.00 GB
Available Virtual Memory 1.96 GB
Page File Space 616.91 MB
Page File C:\pagefile.sys