Specifications

8 RA7x/SA7x Pocket Reference Guide
Servo Processor Physical State Numbers (Byte 2)
00–reset
01–retract (unload heads)
02–spin-up motor
03–spin-down motor
04–detent (track follow)
05–seek to cylinder
06–return to cylinder zero (load heads)
07–recalibrate
08–diagnostic
The following State Numbers apply only to the
RA73:
09–fault
0A–PLL lock
Logic Processor Logical State Bit Flags (Byte 1)
Bit 07–hard error
Bit 06–soft fault
Bit 05–internal read/write ready
Bit 04–drive timing enabled
Bit 03–logical attention
Bit 02–logical topology state
Bit 01–logical available state
Bit 00–logical available state
NOTE
For more information about the physical state numbers
and logical state bit flags, see the RA7x Disk Drive
Service Manual.