130 Driv esw w w . d e l l . c o m | s u p p o r t . d e l l . c o m When SCSI devices are shipped from the factory, the default SCSI ID numbers areassigned as follows:SCSI devices installed by Dell are configured correctly during the manufacturing process.You do not need to set the SCSI ID for these SCSI devices.If you attach additional optional SCSI devices, see the documentation for each device forinformation about setting the appropriate SCSI ID number.NOTICE: Dell recommends that you use only SCSI cables purchased from Dell. Cablespurchased elsewhere are not guaranteed to work with Dell computers.Device TerminationSCSI logic requires that termination be enabled for the two devices at opposite ends of theSCSI chain and disabled for all devices in between.It is recommended that you use terminated cables and that you disable termination on alldevices. See the documentation provided with any optional SCSI device you purchase forinformation on disabling termination on the device.General GuidelinesFollow these general guidelines when installing SCSI devices in your computer:• Although you install SCSI devices essentially the same way as other devices, theirconfiguration requirements are different. For details on configuring your particularSCSI subsystem, see the documentation for your SCSI devices and/or your hostadapter card.System Board Controller Controller CardDevice ID Device IDController 7 Controller 7Boot hard drive 0 Boot hard drive 0CD or DVD drive 5tape or DAT drive 6NOTE: There is no requirement that SCSI ID numbers be assigned sequentiallyor that devices be attached to the cable in order by ID number. If two or moredevices use the same ID, your computer may hang during POST and in SCSIBIOS.
