Device Names
The following is a list of physical storage devices supported in FreeBSD, and the device names associated with them.
Table 16-1. Physical Disk Naming Conventions
Drive type Drive device name IDE hard drives ad IDE CDROM drives acd SCSI hard drives and USB Mass storage devices da SCSI CDROM drives cd Assorted non-standard CDROM drives mcd for Mitsumi CD-ROM, scd for Sony CD-ROM, matcd for Matsushita/Panasonic CD-ROM [a] Floppy drives fd SCSI tape drives sa IDE tape drives ast Flash drives fla for DiskOnChip ® Flash device RAID drives aacd for Adaptec ® AdvancedRAID, mlxd and mlyd for Mylex ®, amrd for AMI MegaRAID ®, idad for Compaq Smart RAID, twed for 3ware ® RAID. Notes:
a. The [url=http://www.pccode.net]cgi/man.cgi?query=matcd&sektion=4"matcd (4) driver has been removed in FreeBSD 4.X branch since October 5th, 2002 and does not exist in FreeBSD 5.0 and later releases.