OS-9 Device Descriptor and Configuration Module Reference

RBF Device Descriptorspd_formatEditMod Labels3-RBF path options3-device formatFORMAT5DescriptionIndicates whether a write is verified by a re-read and compare. Writeverify operations are generally performed on floppy disks but not harddisks because of the lower soft error rate of hard disks.Port Generic Default ValueMacroFMT_STDFMT + FMT_DBLBITDNS + FMT_DBLTRKDNS + FMT_DBLSIDEEditMod0x200ePort Specific Override ValueRefer to RBF//DESC/config.des (Figure 5-3).Available ValuesDevice format values are defined in the header file, rbf.h, and in Table5-13.Table 5-13 pd_format Available ValuesDescription Macro EditModTrack 0 is double density. FMT_DBLTRK0 0x0001Device is double bit density. FMT_DBLBITDNS 0x0002OS-9 Device Descriptor and Configuration Module Reference 479