A-12
AlphaServer DS20L User’s Guide
Table A– 4 Device Naming Convention
Category
Description
dk Driver ID
Two-letter designator of port or class driver
dk SCSI disk
fw FDDI device
dq ATAPI CD-ROM
mk SCSI tape
dr RAID set device
mu DSSI tape
du DSSI disk
pk SCSI port
ew Ethernet port
a Storage adapter
ID
One-letter designator of storage adapter
(a, b, c...).
200 Device unit
number
Unique number (MSCP unit number). SCSI
unit numbers are forced to 100 X node ID.
2 Bus node number
Bus node ID.
0 Channel number
Used for multi-channel devices.
7 Logical slot
number
Corresponds to PCI slot number.
1 Hose number
0 — PCI 0
1 — PCI 1