CMD TECHNOLOGY, INC. CRD-5400-001, CRD-5400-002, CRD-5400-003 Card Type Hard drive controller card Processor RISC Maximum Onboard Memory 256MB DRAM Hard Drives supported Fourteen Fast SCSI devices (5400-001) Fourteen Fast/Wide SCSI devices (5400-002) Fourteen Fast/Wide SCSI devices (5400-003) Floppy drives supported None Data Bus Fast/Wide SCSI (5400-001) Fast/Wide SCSI (5400-002) Fast/Wide/Differential SCSI (5400-003) Form-factor 5.25 inch RAID levels supported 0, 1, 0+1, 4 and 5, JBOD [Image] CONNECTIONS Function Location Function Location 50/68-pin SCSI CN1 UART/monitor CN7 connector - channel connector 1 50/68-pin SCSI CN2 Environmental CN8 connector - control system - not used channel 0 68-pin SCSI CN3 Battery connector CN9 connector - host channel External CN4 Power connector CN10 temperature sensor and UPS signals Alarm - external CN5 Fan power connector W8 Test connector CN6 Note: Connectors CN1 and CN2 differ on each model. See header. DRAM CONFIGURATION Size Bank 0 Bank 1 4MB (1) 1 x 36 None 8MB (1) 1 x 36 (1) 1 x 36 8MB (1) 2 x 36 None 16MB (1) 2 x 36 (1) 2 x 36 16MB (1) 4 x 36 None 32MB (1) 4 x 36 (1) 4 x 36 32MB (1) 8 x 36 None 64MB (1) 8 x 36 (1) 8 x 36 64MB (1) 16 x 36 None 128MB (1) 16 x 36 (1) 16 x 36 128MB (1) 32 x 36 None 256MB (1) 32 x 36 (1) 32 x 36 MISCELLANEOUS TECHNICAL NOTES To prevent power interruptions affecting data held in controller’s cache, it is recommended that you connect an attached battery back-up or an uninterruptible power supply. Also, terminating drive buses by installing on-board resistors is not recommended because the end drive on the bus cannot be removed during a "hot swap" without leaving the bus unterminated.