used equipment
It's a supra SCSI controller with a 20 meg segate drive. The ram expansion
is is on the HD controller card. It's an external unit.( looks alot like
the GVP 500 HD) It will auto-boot and has a HD disable that lets you use
the ram and not the drive if you desire. (I think this feature is for some
game programs)
– via Whap!