Adaptec 2930U User Manual

Contents

B-5Configuring the SCSI Card 2930CU with SCSISelectSCSI device, use the maximum value of 20.0. If your device isnot Ultra SCSI, select a transfer rate of 10.0. Enable Disconnection—When set to Yes, allows the SCSIdevice to disconnect from the SCSI bus. Leave the setting at yesif two or more SCSI devices are connected to the SCSI card. Ifonly one SCSI device is connected, change the setting to No forslightly better performance. Send Start Unit Command—When set to Yes, sends the StartUnit Command to the SCSI device at bootup. BIOS Multiple LUN Support—Determines whether bootingfrom a SCSI drive that has multiple LUNs is supported. Enablethis option if your boot drive has multiple LUNs.Advanced Configuration OptionsNote: Do not change the Advanced Configuration Settingsunless absolutely necessary. Plug-and-Play SCAM Support— When set to Enabled, the SCSIcard automatically assigns SCSI IDs to SCSI devices that supportthe SCAM protocol (see page A-2). The default is Disabled, butyou can set it to Enabled even if you have a non-SCAM device. Reset SCSI Bus at IC Initialization—When set to Enabled, theSCSI card generates a SCSI bus reset during its power-oninitialization and after a hard reset. Host Adapter BIOS—Enables or disables the SCSI card BIOS. Set to Enabled if you boot from a SCSI hard disk drive or aCD-ROM drive connected to the SCSI card. Set to Disabled if the devices on the SCSI bus (for example,CD-ROM drives) are controlled by software drivers and donot need the BIOS. Support Removable Disks Under BIOS as Fixed Disks—Determines which removable-media drives are supported bythe SCSI card BIOS. Boot Only—Only the removable-media drive designated asthe boot drive is treated as a hard disk drive.