Qume DataTrak 8 Manuel

JADE COMPUTER PRODUCTS PRESENTS Double D THE DOUBLE DENSITY DISK CONTROLLER HARDWARE MANUAL IOD-1200M REVISION C Copyright (C) 1980 Jad

SECTION 1 INTRODUCTION 1 SECTION 1 INTRODUCTION 1.1 SCOPE This manual contains the complete hardw

SECTION 1 INTRODUCTION 2 The powerful FD 1791-01 Formatter/Controller is used to encode and decode all d

SECTION 2 HARDWARE DESCRIPTION 3 SECTION 2 HARDWARE DESCRIPTION 2.1 OVERVIEW The operational characteristi

SECTION 2 HARDWARE DESCRIPTION 4 Figure 2-1. Memory Address Detection 2.3 PORT ADDRESS DETECTION

SECTION 2 HARDWARE DESCRIPTION 5 2.4 BUS CONTROL SIGNALS All Control Signals from the S100 bus are buffered

SECTION 2 HARDWARE DESCRIPTION 6 Z80A to test and reset ZINT* under software control. More on this later. ZINT al

SECTION 2 HARDWARE DESCRIPTION 7 enable (RE* and WE*) timing for the FD 1791-01. A section of IC 1F and U-5 provide

SECTION 2 HARDWARE DESCRIPTION 8 the on-board processor. The user should refer to FD 1791-01 specifications for a d

SECTION 2 HARDWARE DESCRIPTION 9 BIT FUNCTION SECTION A3 A4 A5 A6 A7 Issue Step Pulse Clear Timer Reset Host In

SECTION 2 HARDWARE DESCRIPTION 10 2.13 BOARD LEVEL COMMAND PORT The Board Level Command Port is a parallel out

JADE COMPUTER PRODUCTS 4901 W. ROSECRANS BLVD HAWTHORNE. CALIF 90250 SUBJECT: ENGINEERING CHANGE NOTICE # 1. PRODUCT: DOUBLE D DISK CONTROLLER. RE

SECTION 2 HARDWARE DESCRIPTION 11 PCB PCA PRECOMPENSATION0 0 1 1 0 1 0 1 OFF 200 ns. 160 ns. 120 ns. Table 2-8.

SECTION 2 HARDWARE DESCRIPTION 12 2.16 WAIT STATE GENERATOR The Wait State Generator is used to synchronize th

SECTION 2 HARDWARE DESCRIPTION 13 2.19 MEMORY CONTROL The Memory Control Circuit is used to operate the on-boa

SECTION 2 HARDWARE DESCRIPTION 14 IC 1K). During this strobe IWR* is held low,' indicating a write cycle for t

SECTION 2 HARDWARE DESCRIPTION 15 and provides enhanced data recovery margins in both single and double density. T

SECTION 2 HARDWARE DESCRIPTION 16 They tend to occur either a little early or late but the center of the spread in

SECTION 2 HARDWARE DESCRIPTION 17 in the next frame as the data pulse occurred that triggered the signal in the pre

SECTION 3 CONSTRUCTION 19 SECTION 3 BOARD ASSEMBLY 3.1 INTRODUCTION If you have purchased the JAD

SECTION 3 CONSTRUCTION 20 [ ] Install 18-pin sockets at 4C, 4DL, 4DR, and 4E. Do not solder yet. [ ] Ins

---------------------------------------------------------------- SUBJECT: ENGINEERING CHANGE NOTICE # 3. PRODUCT: DOUBLE D DISK CONTROLLER. REVISI

SECTION 3 CONSTRUCTION 21 Install the 3.3K ohm 8-pin SIP resistor at RP1 (2F). Be careful to align pin 1.

SECTION 3 CONSTRUCTION 22 [ ] R26 (4L) [ ] R52 (1A) [ ] Install the 33K resistor (Orange-Orange

SECTION 3 CONSTRUCTION 23 (1L). [ ] Install the 0.1 uf capacitors (104) at the following locations: [ ]

SECTION 3 CONSTRUCTION 24 [ ] Install the 7805 regulator at U2 (3A-4A) using the heat sink and the #6 hard

SECTION 3 CONSTRUCTION 25 [ ] Install a jumper wire from "CLK" to "5" in the CLOCK S

SECTION 3 CONSTRUCTION 26 [ ] Inspect all inserted ICs for bent pins. [ ] Place DOUBLE D controller boar

APPENDIX A COMPONENT LAYOUT AND FOIL PATTERNS 27

APPENDIX A COMPONENT LAYOUT AND FOIL PATTERNS 28

APPENDIX A COMPONENT LAYOUT AND FOIL PATTERNS 29

APPENDIX A COMPONENT LAYOUT AND FOIL PATTERNS 30

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APPENDIX A COMPONENT LAYOUT AND FOIL PATTERNS 31

APPENDIX B PARTS LIST 33 APPENDIX B PARTS LIST RESISTORS LOCATION-ICR1-8" 5" 10K 24K 1/4W

APPENDIX B PARTS LIST 34 R38 27K 1/4W 5% 2A R39 4.7K 1/4W 5% 2A R40 4.7K 1/4W 5% 2A R41 470K 1/4W 5% 2

APPENDIX B PARTS LIST 35 CAPACITORS LOCATIONS C1 10 PF 5% MICA 1A-1B C2 25 PF 5% MICA 1B C3 0

APPENDIX B PARTS LIST 36 DIGITAL CIRCUITS (1A) 74LS123 (2A) 74LS123 (3A) 74LS113 (4A) 74LS08 (1B) 74LS1

APPENDIX C INTERNAL SIGNAL DEFINITIONS 37 APPENDIX C INTERNAL SIGNAL DEFINITIONS BCPS BOARD - CONTROL PORT STROBE BDBIN

APPENDIX C INTERNAL SIGNAL DEFINITIONS 38 RCLK 1791-01 READ WINDOW SA11 ADDRESS SWITCH M11 SA12 ADDRESS SWITCH M12 S

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---------------------------------------------------------------- SUBJECT: ENGINEERING CHANGE NOTICE # 9. PRODUCT: DOUBLE D DISK CONTROLLER. REVI

SHUGART SAS50/S51 ------- --------- START WITH THE DISK DRIVE(S) SET TO FACTORY CONFIGURATION AS DESCRIBED IN THE SER1VE AND MAINTENANCE MANUAL. T

---------------------------------------------------------------- Subject: Engineering Change Notice # 10. Product: Double D Disk Controller - QUME

TABLE OF CONTENTS DOUBLE D 9 TABLE OF CONTENTS SECTION DESCRIPTION PAGE 1 INTRODUCTION 1