hsg80fibre channel to scsi array controller with 256b of cache and m2200bulkhead cache card. key selling bullets. the hsg80is a fibre channel to scsi array controller. this package. is designed for the m2200controller shelf . array controller has two fibre channel ports for redundant data. paths and six ultra wide scsi channels. the hsg80is designed for maximum flexability; capabilities and capacities are determined by what acs controller software is installed. designed for ma8000 ema12000 and ema16000 solutions. system and other requirements.