The BA23 pedestal or rackmount DS-RZ1DB 9,1 GB Ultra SCSI enclosure backplane has a total of eight slots. It contains a 230 watt power supply and dedicated space for up to four "half- - height" storage devices. Use the following rules when configuring the BA23 pedestal or rackmountable systems with devices that are not included an the menu. DS-RZ1DB 9,1 GB Ultra SCSI write the module and mass-storage device names in the left column beside the slot and shelf numbers. DS-RZ1DB 9,1 GB Ultra SCSI when configuring these systems, please note that quad- height modules use both the "AB" and "CD" portions of a slot. Slot one is always reserved for the CPU module. Slots two through eight can accomodate either two dual-height or one quad- height option. Enter the 5-V and 12-V currents DS-RZ1DB 9,1 GB Ultra SCSI, power, the ac and dc bus Ioads, and I/O panel inserts required for each module and mass-storage device DS-RZ1DB 9,1 GB Ultra SCSI. The column totals must not exceed the limits listed at the bottom.