Which driver? Motherboards can require several you know. ie: chipset, video, sound, lan, modem... depending on what hardware is on-board.
CS4281 PCI Audio Controller / CS4297A Codec
Main Chipset : VIA VT82C694X
Chipset VIA Apollo Pro 133Z
North Bridge VIA VT82C694Z
South Bridge VIA VT82C686A
USB: USB 1.1
Trigem mb's were using in lots of machines including HP and eMachines. You failed to say if it was a retail board or OEM. If OEM, you need to specify what pc it came installed in. Otherwise, you can seach for drivers specific to each mb hardware device or you can use the following software to help you out.
To find make and model of pc hardware, EVEREST Home Edition is a free system diagnostics, system information program that will id most hardware onboard a mb. as well as the actual motherboard.
Alternate Everest download link: (offers 2 sites to dl program from)
Run the program and then:
Click on Computer
Click on Summary
Right hand window (hardware) if the text is blue
this is a link to the web site for that particular hardware.
If you need additional help, please post a SUMMARY report from Everest.
Once you id the hardware, finding a driver is usually simple.