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A B A B Attn Flt Offs ROnly Werr RdErr WrFlt PAusf DCus OvTmp
Con Sel
Radial Cable
01 gnd 02 gnd
03 gnd 04 request
05 gnd 06 from other cu
07 gnd 08 -
09 gnd 10 -
11 gnd 12 -
13 gnd 14 -
15 gnd 16 -
17 gnd 18 -
16mS
19 na 20 na
21 +5 22 +5
23 gnd 24 sector/index
25 gnd 26 attn
27 gnd 28 module selected 5.5uS
29 gnd 30 sequence
31 gnd 32 module select
550uS
33 gnd 34 r/w p
35 gnd 36 r/w m 30sec/trk
37 gnd 38 clk p
39 gnd 40 clk m
1.23uS
Bus Cable
01 sector 02 end of cyl
03 am detect 04 offset
05 term +5 06 index
07 term +5 08 ready
09 gnd 10 read only
11 gnd 12 device check
13 gnd 14 on line
15 gnd 16 seek incomplete
17 gnd 18 -
19 gnd 20 bus 0 strobe late
21 gnd 22 bus 1 strobe early
23 gnd 24 bus 2 write
25 gnd 26 bus 3 read
27 gnd 28 bus 4 address mark
29 gnd 30 bus 5 reset head adr
31 gnd 32 bus 6 device chk reset
32 gnd 34 bus 7 head select
33 term in 36 bus 8 rezero
35 set ctl tag 38 bus 9 head advance
39 set cyl tag 40 set head tag Ctl Tag Cmds