Panasonic JU-363 3.5" 720k FDD.

Panasonic JU-363 720k FDD: Interface Connector (J1) (1)
Description 34w IDC Connector Direction
/READY 34 OUT
Signal Ground 33 -
/SIDE SELECT 32 IN
Signal Ground 31 -
/READ DATA 30 OUT
Signal Ground 29 -
/WRITE PROTECT 28 OUT
Signal Ground 27 -
/TRACK 00 26 OUT
Signal Ground 25 -
/WRITE GATE 24 IN
Signal Ground 23 -
/WRITE DATA 22 IN
Signal Ground 21 -
/STEP 20 IN
Signal Ground 19 -
/DIRECTION SELECT 18 IN
Signal Ground 17 -
/MOTOR ON (2) 16 IN
Signal Ground 15 -
/DRIVE SELECT 2 (MOTOR ON 2) (2) 14 IN
Signal Ground 13 -
/DRIVE SELECT 1 (2) 12 IN
Signal Ground 11 -
/DRIVE SELECT 0 (2) 10 IN
Signal Ground 9 -
/INDEX 8 OUT
Signal Ground 7 -
/DRIVE SELECT 3 (MOTOR ON 3) (2) 6 IN
Signal Ground 5 -
/IN USE (3) 4 IN
Signal Ground 3 -
/DISK CHANGE (4) 2 OUT
/DISK CHANGE RESET (4) 1 IN
(1)JU-313 and JU-323 also
(2)Which MOTOR ON and/or DRIVE SELECT is/are active is "plug" selectable
(3)The IN USE l.e.d. is normally driven by DRIVE SELECT, to use the IN USE signal
requires a plugged link and a p.c.b. trace cut

(4)DISK CHANGE availability and DISK CHANGE RESET usage are "plug" selectable

Panasonic JU-363 720k FDD: Power Connector (J2)
+5V DC @ 0.25A Max 1
Ground (0V) 2
Ground (0V) 3
+12V DC @ 0.21A Max 4

Prepared by F.T. Gowen
Last modified: 26th. August, 2001


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