Identifying a motherboard with a Phoenix BIOS is more difficult then with AMI or Award BIOSes, but it is not impossible.
Try the following options:
If you can't find it using the above methods, you're out of luck, because Phoenix BIOS don't carry IDs (unlike AMI and Award) which can uniquely identify the motherboard. The numbers listed on the BIOS sticker on the motherboard do not identify the BIOS version or the manufacturer of the system.
Go back to our BIOS FAQ.
(Examples: how to update your BIOS, how to identify your motherboard)