2-13Getting StartedAHA-2740W/2742W/2744W User’s GuideStock Number: 510647-00, Rev. A Page: 2-13Print Spec Number: 492897-00Current Date: 8/3/94 ECN Date: 8/9/94AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA68-pin Internal and 68-pin External ConnectorsWhen both the 68-pin internal and external connectors have SCSIdevices connected, the last SCSI device connected to each connectormust be terminated. The host adapter low and high bytes must beset to OFF.50-pin Internal Connector OnlyWhen only the 50-pin internal connector has SCSI devices con-nected, the last SCSI device must be terminated. The host adapterlow and high bytes must be set to ON.Figure 2-6. Internal and External Wide SCSI DevicesNoTerminationHost AdapterTerminationLowOFFHighOFFNoTerminationTerminationEnabledNoTerminationTerminationEnabledFigure 2-7. Internal 8-bit SCSI Devices OnlyNoTerminationHost AdapterTerminationLowONHighONTerminationEnabled
