Labels:text | diagram | black and white | screenshot | font | parallel | technical drawing | number OCR: MAC FLOPPY INTERFACE DB-23 MALE (To Amiga) @ +5v Make all MAC connections here +5v , Gnd +12v ₩7 Gnd 12 20 DB-19 Female 10 23 13 (TO MAC Drive) 19 +12v ¢ 16-WENB 13-SIDE 18-STP To IC 17-DKWD -NOTION 14 only! Gnd 19-DIR 13 12 .1 of 11 10 15-TKO 14-WPRO 19-DIR 12 9 23 13 74LS393 DB-23 Female (To Amiga DRIVES) Wire all pins to MALE 15 E3 .1 of DB-23 except where shown 1-RDY - 14 13 8-MTR above. I.E. Wire pin 1 .21-SEL* Male to pin 1 Female etc. 2-DKRD- 12 1N4148 11 10 Make all Pins 9 & 20 move the drive connections to select pins over one so that the the MALE DB-23 next drive in the chain is always 74LS139 selected as drive 1 Use only LS series TTL ICs!
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