18 Apr
2012
18 Apr
'12
4:46 p.m.
Eric Smith wrote:
The only sure way to know if a particular command is
implemented on a
drive is to issue the command to the drive and check the result. That
was true even when real OEM manuals were available, as the OEM manuals
often had errors and omissions.
Chuck Guzis wrote:
I'd be surprised if the ATAPI commands didn't
simply follow the SCSI
commands. It seems to me that SCSI was essentially the reference for
Iomega stuff. Since ATAPI essentially encapsulates the SCSI commands,
it should be pretty easy to verify this.
Certainly, but you still can't entirely assume that any particular SCSI
command is implemented, because even the *mandatory* SCSI commands have
been absent from some devices. (Of course, those devices aren't truly
SCSI-compliant, but there aren't any "SCSI Police" to haul the vendor
off to jail.)
Eric