unidentified Avance Logic ALS4000 sound card

Technical details
Name:	DS-1?
Company:	BTI?
Chipset:	Avance Logic ALS4000
Bus:	PCI
Compatibility:	SB Pro, SB16 (for 8 bit samples only), Adlib
Manufactured:	2002

The card is missing its shield.

ALS4000 driver for Win9x/Win2K


ALS4000 driver at MameWorld


PCI sound card review by Tom4DOS
The review is in german, you may have to use a translator tool. ALS4000 is covered from page 21 onward.