http://pc.watch.impress.co.jp/docs/2003/0923/comp04.htm
this board is a PC-Chips T30 featuring SiS 655FX+SiS 964 chipset.

The markings on the board are: QS-1 V1.0 15-J75-0110000
PC-Chips website does not list any board with SiS 655, nor does ECS.
This is not a live problem, just a curiosity that I thought I would document.