This maybe?
Specific SCSI Cards
The following SCSI add-in cards are supported by BeOS:
Adaptec AHA-2940, AHA-2940UW, AHA-294042W, and AHA-3940
Tekram DC-310, DC-390U2B, DC-390F
Diamond Fireport 20 and Fireport 40
SCSI Chipsets
The following chipsets are used on many other SCSI adapter cards, and are used for the built-in SCSI support on many computer motherboards, and are supported by BeOS:
Adaptec AIC-7850, AIC-7870, AIC-7880, AIC-7890 Ultra2, and AIC-7895 and AIC-7896
Symbios 53c8xx
BusLogic BT948, BT958, and BT958D
Might have to make a CD with extra drivers for that card? Check bebits.com and bedrivers
Check Frizbe.net to see if you card works? No report of one.
http://www.betips.net/chunga.php?ID=245
http://www.betips.net/chunga.php?ID=391
For boot floppy ideas.