Apple // microcomputer - compatible DISTAR Floppy
disk Drive Units


5"1/4 Floppy Disk reader
resources page
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DISTAR 5"1/4 Floppy Drive Unit
LDD-103 connector HE10 2x10pin motor type KP39HM2-008 1.8deg/step servo China
corp licensed by japan servo co. ltd p/n 41-0010-0019
interfaces to the Apple2 Microcomputer.
The main card "LDD-103" integrates the following ICs:
Intel D2716 Eprom : binary
content of the 2716 Eprom (2Kb- BIN file)
IC1: SGS SN74LS125N
IC2: Motorola MC3346P
IC3: Motorola :: MC3470AP
IC4 : TBP18S030N bprom binary
content TBP18S030.bin (32bytes) TBP18S030,
TBP18SA030 256 BITS (32 WORDS BY 8 BITS) PROGRAMMABLE READ-ONLY MEMORIES
IC5 : Texas Instruments SN74LS75N
IC6 : ULN2003A
J5 : 5-pins magnetic head connector MXJ-12 2695 ( ) (4 wires are connected) 1 Polarising Key
J3 : Connector 2x10 pins HE10 connector 15-3524-5
mechanical part is P/N 41-0010-0019
motor card is "PC-541"
motor type DDF5-25A Rating DC12V 0.75A Max Servo China Corp. Taiwan R.O.C. Licensed by Japan Servo CO., Ltd.
stepper motor is type KP39HM2-008 1.8 DEG/STEP manufactured by SEIKO CHINA CORP., TAIWAN R.O.C Licensed by Japan Seiko Co. Ltd.


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M-à-j: 4 juin, 2022.