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_______________________________QQ____________
_                                           ^
  _    1   2   3  . . . . .  23  24  25   ^
    _  26  27  28 . . . . .  48  49  50 ^
      _                               ^
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

ȉC50sIXRlN^̊e[q̐M50sIXRlN^̒[qԍ110s
IXRlN^̒[qԍ110sIXRlN^̊e[q̐M@̏łD
ȂRlN^̘gǂʂ܂F

(WINDOW)          1-----------8   (WINDOW)
(MFM/FM)          2-----------47  (MFM/FM)
(READ DATA)       3-----------59  (READ DATA)
(WRITE PROTECT)   4-----------56  (WRITE PROTECT)
(TRACK 00)        5-----------57  (TRACK 00)
(WRITE GATE)      6-----------77  (WRITE GATE)
(WRITE DATA)      7-----------7   (WRITE DATA^AiORM)
(STEP)            8-----------63  (STEP)
(DIRECTION)       9-----------9   (DIRECTION^AiOBM)
(DRIVE SELECT 3) 10--+--------3   (DRIVE SELECT 3)
                     |
(DRIVE SELECT 1) 12--+
(DRIVE SELECT 2) 11--+--------61  (DRIVE SELECT 2)
                     |
(DRIVE SELECT 0) 13--+
(SYNC)           14-----------39  (SYNC)
(READY)          15-----------4   (READY)
(INDEX)          16-----------2   (INDEX)
(HEAD LOAD)      17-----------11  (HEAD LOAD^AiOGM)
(SIDE SELECT)    19-----------62  (SIDE SELECT)
(GND)            26-----------31  (GND)
(GND)            27-----------102 (GND)
(GND)            28-----------86  (GND)
(GND)            29-----------6   (GND)
(GND)            30-----------72  (GND)
(GND)            33-----------88  (GND)
(GND)            39-----------94  (GND)
(GND)            40-----------17  (GND)
(GND)            41-----------58  (FDD/AiORGBIM)*
(GND)            42-----------33  (GND)

*̒[qGNDɐڑFDDMIԂƂȂD