hi your chip model is xy8106
PnP Device ID: VID = 1233 PID = 5677
Serial Number: 012345678905
Revision: V2.0/V2.0
Device Type: Standard USB device - USB2.0 High-Speed
Chip Vendor: goldpy
Chip Part-Number: xy8103~xy8106
Product Vendor: (N/A)
Product Model: (N/A)
you can download from this link
http://bbs.mydigit.cn/read.php?tid=50812&keyword=8103
or
http://forum.51stor.net/read-htm-tid...d--page-1.html