VIA ApolloKT266/266A chipset (8366/KT266A+8233/8233A, Socket A) ATX Award BIOS V1223IAG.BIN BIOS for (8366/KT266A+8233/8233A) *** PCB Revision (100Y1998) .2MBit Flash .Aug/2001 built core .Initial Mass Production Release (14/Aug/2001) .2MBit Flash .Aug/2001 built core .Corrected CMOS "temperature reading" deviation issue (21/Aug/2001) .2MBit Flash .October/2001 built core .Added support on AMD "Athlon XP" CPU (Oct/2001) .2Mbit Flash .January/2002 built core .Added support on showing the name "Athlon XP 2000+" CPU (Jan/2002) .2Mbit Flash .July/2002 built core .Added support on "Athlon XP 2100+/2200+" CPU (July/2002) .2Mbit Flash .Dec/2002 built core .Added support on "Athlon XP 2400+/2600+" CPU (Dec/2002) V1212IAG.BIN BIOS for (8366/KT266A+8233/8233A) *** PCB Revision (010Y1998) / (000Y742A) .2MBit Flash .October/2001 built .Initial mass production Release for these newer PCB Revision .Support on AMD "Athlon XP" CPU (Oct/2001) .2MBit Flash .Jan/2002 built .Added support on showing the name "Athlon XP 2000+" CPU (Jan/2002) .2MBit Flash .Aug/2002 built .Added support on "Athlon XP 2100+/2200+" CPU (Aug/2002) .2Mbit Flash .Dec/2002 built core .Added support on "Athlon XP 2400+/2600+" CPU (Dec/2002) Important : ========== Please identify the exact PCB Revision before trying the BIOS change, because the BIOS for different PCB Revisions are NOT interchangeable !Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.