1. Added Mode Page Codes 0x00 and 0x03 (Unit Attention and Format Device) to the SCSI CD-ROM code.
2. Corrected the Read Disc Information TOC (actually Read TOC vendor unique) for NEC SCSI CD-ROMs, this, together with the fix above, fixes reading data cd-rom's using NEC vendor commands.
3. Actually identify NEC drives per manual (SCSI unknown version per the -75 and -77 manuals).
4. Re-added the 75 and 77 drives now that the NEC vendor commands are fine + an extra 25a drive with revision 1.0a (from a screenshot from vogons).