Content by ATI Technologies Inc.(original archived HERE). Modified by Major Tom.
The most accurate and reliable method of determining EXACTLY which ATI hardware you've
got is to LOOK AT IT.
Power off the system and open it up. Ensure that you ground yourself on the case or
power supply before touching any components.
If your graphics controller is a plug-in
CARD, you may need to remove it from the system to inspect it properly.
Examine the LARGER chips on your board (or motherboard). ATI chips you are
likely to encounter are listed below, in the following sections:
Other ATI Chips
Locate your ATI chip in the tables below, using the "Image" and "Chip
Markings" columns. Then read off your chip name from the column on the right.
Note: The images shown here are only EXAMPLES. The EXACT markings on your chip may
Note: Some products have TWO graphics controllers on them - a mach8
accelerator and a VGAWONDER SVGA display controller. These are "mach8 combo
cards" such as the Graphics ULTRA or Graphics VANTAGE.
The ATI BIOS Part Number can be used to identify a product, and is also extremely
useful to ATI Technical Support in troubleshooting a problem.
To use the BIOS Part Number to identify your product, record the information from the
BIOS Chip, and read "Using the BIOS Part Number to determine
which ATI CHIP is on Your Product".
||The BIOS Part Number shown in this example is 113-51803-xxx.
how "113" and the "version code" (xxx) are omitted. To obtain
the "version code" for the BIOS use the ATI Info
utility provided with the card. The current version of utilities for Rage 128
products are available for download from our Rage 128
|This is a "small square" BIOS chip, found on some of our recent ATI Rage 128
||The BIOS Part Number shown in this example is 113-44607-100.
"113" is omitted and the "version code" (100) is on a separate line.
|This is a "small square" BIOS chip, found on some of our recent ATI graphics
||The BIOS Part Number shown in this example is 113-38501-101.
||This is an older "large rectangular" BIOS chip, found on many earlier
Other ATI Chips You May Encounter
|This is an ATI "Spectra DAC" - keep looking for the graphics controller
||This is another DAC - keep looking for the graphics controller
|This is an ATI Video Capture Chip, found on older (Windows 3.1) capture products such
as the "Video-It!" and "Video-Basic". These boards have no
DISPLAY capabilities, and software is not provided for Windows 95 or Windows 98.