background image

Summary of Contents for Z-89-37

Page 1: ...for the Nnw data systems DOUBLE DENSITY DISK CONTROLLER Model Z 89 37 Copyright 1981 ZENITH DATA SYSTEMS ZENITH DATA SYSTEMS All Rights Reserved 595 2707 01 Printed in the United Stales of America SA...

Page 2: ...Single or double density Single Sided H 17 1 drives 48 tracks per inch 40 tracks Single or double density Required software is HDOS version 2 0 updated or higher or CP M version 2 2 03 or higher NOTE...

Page 3: ...A1 442 651 1 UF78HOSSC or MC78TOSIC U101 A2 444 61 1 1 0 decoder ROM IC U550 A2 444 83 1 74S1881C U516 A2 444 84 1 27321C U518 A3 100 1817 1 20 pin plug w jumper A4 432 1168 2 Programming plug These I...

Page 4: ...latch plate and then slide the latch plate as shown in the inset draw ings Likewise open the latch plate on the other side of the cabinet top WARNING When the line cord is con nected to an AC outlet...

Page 5: ...Refer to Pictorial 2 3 Illustration Booklet Page 3 and examine your computer to see if there are heat sinks at Ul0l Ul02 and Ul03 If heat sinks are present and Ul0l is 78H05 or 78T05 442 651 you may p...

Page 6: ...a small slit in one side Spread a small amount of thermal compound onto the UA78H05SC or MC78T05 integrated circuit 442 651 Squeeze the pod to remove the compound Spread a small amount of thermal comp...

Page 7: ...ou ever remove the 2 89 37 then these IC s must be reinstalled Connect the common voltmeter lead to the heat sink as shown NOTE If you do not obtain the proper results in the IIIll following steps imm...

Page 8: ...Page 8 H 88 1 1 fLOPPY DISK I O CIRCUIT I BOARD I PICTORIAL 2 5...

Page 9: ...oing to use the Z 89 47 interface circuit board proceed to Z 89 47 Z 89 67 interface circuit board proceed to Z 89 67 Otherwise proceed as follows Install the 4700 n resistor with connectors onto plug...

Page 10: ...nected to plug P3 Drive numbers are deter mined by how the drive programming plugs are cut See Pictorials 2 13 and 2 14 Illustration Booklet Page 8 J4 DS1 J5 DS2 J6 DS3 and J7 DS4 presently not suppo...

Page 11: ...Page 11 PICTORIAL 2 10...

Page 12: ...onnector of the new floppy cable into the indicated connector of the controller circuit board with the marked edge up and plug the free end of the cable into your floppy drive as before Remount the ac...

Page 13: ...ting the programming plugs if presently uncut or by replacing the programming plug with a properly set dip switch Two uncut programming plugs are supplied for use if you need them Again refer to Pict...

Page 14: ......

Page 15: ......

Page 16: ......

Reviews: