A SCSI ID is a unique identifier assigned to each SCSI device on the bus. It determines the SCSI device's priority. There are 16 IDs, ranging from 0 to 15. The order of the priorities is a bit unusual. From highest priority to lowest they are: 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12 ,11, 10, 9, 8. ID 7 is almost always reserved for the SCSI Host Adapter. The other IDs are free to be assigned as desired, although your computer may have assigned them automatically.
Never assign the same ID to more than one device.
SCSI ID 7 is usually reserved for the adapter card in SCSI-2 chains. SCSI-2 uses SCSI IDs from 0 to 7.
id 2
ID 3
The ID number which is traditionally assigned to the SCSI controller is ID 7. ID 7 is given the highest priority during bus arbitration.
You change the ID of one of them. You change the ID of one of them.
Assign each SCSI device a unique ID number
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The host adapter is assigned SCSI ID 7, which has the highest priority over all other devices.
8 or 16 depending upon the SCSI hardware being used. In a narrow bus, you can use a SCSI ID of 0-7, and in a wide bus, you can use 0-15.
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The host adapter is assigned the SCSI ID #7 which is the highest priority over all other devices. The priority order is 7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,and 8. Good luck!
The SCSI logical unit number for boot devices is almost always zero(0).Matt Friend