The HiMD Walkmen are SCSI disk drives. They only use the LUN zero.
These standard SCSI commands are used:
They support the following extensions to standard SCSI disk drive support:
The following mode pages are supported
See SFF-8070i for more information about all mode pages except for the HiMD playing page.
See HiMDDownload for a trace of downloading a short LPCM track to an HiMD device using Sonic Stage