Adaptec AHA-2940UW User Guide - Page 31

Using SCSISelect s Support for UltraSCSI Speed- This option determines whether the single-chip host adapter negotiates for doublespeed synchronous transfer rates in support of UltraSCSI devices on the selected SCSI bus. The setting of this option affects the values displayed for the Maximum Sync Transfer Rate option available for each SCSI device on the SCSI bus. s Host Adapter SCSI Termination- This option enables you to configure the SCSI cable termination on the single-chip host adapter. The default setting for single-chip host adapters that support cable-sensing termination is Automatic. Host Adapter SCSI Termination is determined by which SCSI connectors on the single-chip host adapter have devices attached to them. The Manual termination settings are listed in the table below: Single-Chip Host Adapter Termination LOW HIGH Devices Attached To... ON ON 68-pin internal connector only ON ON 68-pin external connector only ON ON 50-pin internal connector only OFF OFF 68-pin internal and 68-pin external connectors OFF ON 50-pin and 68-pin internal connectors OFF ON 50-pin internal and 68-pin external connectors INVALID 50-pin and 68-pin internal connectors and 68-pin external connector1 1 You cannot connect devices to all three connectors at the same time. 3-7 Downloaded from www.Manualslib.com manuals search engine