UCI EasyPC Z-100 Series, User Manual

Page 1: ...I I Full IBM PC emulation for your Z 100 I J J CDRPORATION I 941 C y Sir K l 0 110 240 121611573 5155 I UCI COMPuflli A...

Page 2: ...Contents Copyrighted ucr Corporation Kent Ohio January 1985 Revision 1...

Page 3: ...allation 23 OPERATION 25 Power Dp and Booting 25 Pove r Up 25 Booting 25 Z lOO Mode 25 PC Mode 26 PloPPY Booting 26 Winchester Disk Preparation 26 MS DOS 150 Set Up 27 Manual Booting 29 Auto Booting 3...

Page 4: ...yPC system Board IC Locations 19 14 System and Video Master Board Installation 21 15 Cable Assembly 21 16 Cable and Speaker Installation 22 17 Floppy Disk Controller Board Installation 24 18 Keyboard...

Page 5: ...The EasyPC consi sts of two S IOO ci rcui t boards and a piggyback board Yet its design requires only one extra slot The following parts should be included in your EasyPC package 1 System Board 1 Vid...

Page 6: ...ing only 8 colors are possible For users who desire the full color range UCI offers a 16 color cable assembly that is simple to install For more information contact UCI Single or Double Dot Video Char...

Page 7: ...not be read on the system The Floppy Disk Controller board comes from the factory set up for 48TPI drives most disk drives are 48TPI In order for it to function with 96TPI drives under the Z IOO mode...

Page 8: ...ng of two ICs on the motherboard 4 The insertion of two 8 100 cards Video and Floppy Controllers and one piggyback System board 5 The installation of speaker and cable assembly The step by step instru...

Page 9: ...s to your computer 2 Move the metal slides on each side of the computer toward the back 1 4 inch see illustration For the All In One model a flat headed screwdriver is needed 3 Lift cabinet top off an...

Page 10: ...ON DISASSEMBLY of the Z lOO Low Profile Front Panel Assembly Removal 1 For Low Profile models remove the four screws labeled A and two locking pins labeled B Figure 3 Low Profile Front Panel Assembly...

Page 11: ...l Continued 2 Lift front panel assembly and move it forward slightly to reach the connectors For floppy disk systems only remove flat cable from disk drives and power supply cable s at disk drives Set...

Page 12: ...disk systems only remove the two flat cables from the Winchester controller card the power cable from the Winchester controller card the flat cable from the floppy disk controller card the power suppl...

Page 13: ...All In One models remove the one screw labeled A and four screws labeled B 0101010101010101010101010101010 O ldIQlgIQIQIQIQIQIQIQIQI lIQIQIP gj16 1 Ft g lg 1E5ld OIOI nOrO OIOlfjIO P rm t J 11 II 010...

Page 14: ...h connectors For floppy disk systems only remove the flat cable from floppy disk controller card the power supply cable s at the drive s and video signal power cable on the video deflection board Set...

Page 15: ...STALLATION of the Z lOO All in One F ront P anel Assembl For W y lnchester di sk video the on cable from the disk controller drives cable A11 In O Figure 8 W ne Cab1 lnchester Disk e Dlsconnect System...

Page 16: ...Removal 1 Remove the two screws labeled A near the top of the key board For Low Profile models only remove the two locking pins labeled B at the rear of the computer 2 Lift off the keyboard shell and...

Page 17: ...keyboard forward 4 Remove the three screws labeled A holding the video board disconnect P301 P303 and P302 for AII In One models only from the left side of the video board unplug the two cables from...

Page 18: ...re lIon page 17 Notation Description 1 U164 74LS240 2 U196 74LS373 or 74ALS373 3 U197 74LS373 or 74ALS373 4 U208 8259A 5 U211 8088 6 U213 74LS373 or 74ALS373 7 U217 74L5244 or 74AL5244 8 U219 74574 9...

Page 19: ...EasyPC INSTALLATION e Ie ICHASSIS I N Figure 11 Ie Locations Z 100 Motherboard 17...

Page 20: ...place your other band on your work surface before you touch the IC to your work surface This will equallu the static electricity between the work surface and the IC The pins on ICs that have not been...

Page 21: ...nto U2ll The notation on the System board is the same as on the motherboard Again proper orientation is The notch or dot on the IC board for Ul64 and U208 IC should be on the right below for guidance...

Page 22: ...em board is now completely installed Video Master Board Video Master Board Refer to figure 14 1 Insert the EasypC Video Master board into a free S IOO slot 2 Connect the 7 conductor video RGB cable fr...

Page 23: ...IRST S 100 SLOT I ASY PC SYSTEM BOARD e _ sa __ _ _ o e 0 C PI I IE J I L I NOTE POWER SUP L Y NOT SHOWN VIDEO DI LECTION CIRCUIT 10ARD PLUG ALL IN ONI COM UTIRI ONLYI Figure 14 System and Video Mast...

Page 24: ...nals of the assembly onto the lugs of the speaker 2 Peel off the protective paper covering the adhesive foam on the back of the speaker 3 Locate the speaker in the open space in front of the power sup...

Page 25: ...t the Z207 manual for further detail of operation 1 Insert the EasyPC Floppy Disk Controller board into first S IOO slot on the motherboard See figure 17 on 24 the page 2 Reassemble the Z lOO keyboard...

Page 26: ...J 1 r Ie e o _ _ _ e CD 0 G JrJ o e C I EASV PC tiIt t VIDEO 10AIIIO 6 SECOND S DO IL IASV C fLO V CONTIIO III 10AIIIO flFlIT 1 1 0 n tlT VIDIO I C C O LUG AL ONI CO UTEFIS ON V CD It II NOTE POWEll...

Page 27: ...101 on the motherboard If your system is set up for manual boot section 3 of switch 101 is on the sign on screen will be displayed until a mode is selected To select the Zenith Z lOO mode just press t...

Page 28: ...r will appear on your monitor Should this happen simply reset the system and reboot in the PC mode with the proper diskette Once the system is booted your Z lOO will react to normal PC operating comma...

Page 29: ...ing system are presented below Please refer to the appropriate section for your particular system MS DOS for the 150 1 Turn off the computer remove cabinet top and locate DIP switch SlOl on motherboar...

Page 30: ...he diskette containing the Winchester utilities Run the partition Data and affected details of PREP command in order to initialize the of the hard disk set aside for PC software files on other partiti...

Page 31: ...drives run the ASGNPART command before formatting ASGNPART is similar to the activity of inserting a floppy diskette into a drive 10 Turn off computer and set DIP switch 5101 for either auto or manua...

Page 32: ...after the appearance of the EasyPC sign on screen the system will boot from the default drive in the default mode If you desire to switch to the other mode press the key that selects the mode before t...

Page 33: ...o step 5 and proceed from there See the DOS user s manual for the details of executing this command 8 The drive created in step 7 must have its working surface prepared through the FORMAT command befo...

Page 34: ...tem retains and displays the last booting command You can change or edit the command by typing over it Auto Booting If your system is configured for auto booting 6 seconds after the appearance of the...

Page 35: ...keyboard overlay to determine the keys new function Appendix A lists all keyboard codes Add On S 100 Board Products The EasyPC will function with any of the add on S IOO board products available for t...

Page 36: ...ter Manual PC Mode Floppy Drives Only Winchester Manual Manual Boot Screen Auto Boot Sequence Command Z I or any key but Z B Return W Return UCI BF Drive A UCI BFl Drive B UCI BF Floppy Drive A UCI BF...

Page 37: ...ry interrupts enter the System board from header Sl and are applied to two buffer chips U4 and UIO UIO is used in the PC mode only and is turned off in the virgin mode The primary interrupts are buffe...

Page 38: ...pts are steered via U240 and UIO into the vectored interrupt inputs of the primary interrupt controller U208 Thus the Z lOO responds to a set of new interrupt levels which are required for the PC mode...

Page 39: ...le floppy controller circuitry into one board A software selectable mode switch OFFH is provided between the two modes The port responds to bit 2 of this output port If bit 2 is low 0 the PC mode is s...

Page 40: ...e bus U 55 is an I O decoder It also contains the mode switch port U59 controls the interaction between the 8237A and the 8272 controllers It also controls the data bu direction During DMA read from f...

Page 41: ...Ready for I O 3F5 8272 Data Register Consult the 8272A data specification for additional information on the floppy controller chip Video Master Board The EasypC Video Master consists of a Motorola 68...

Page 42: ...r via Pl This signal then passes through an analog mUltiplexer switch Ul This switch multiplexes the PC mode and the virgin mode signal onto the transistor driver Ql of the composit video output In th...

Page 43: ...00 Black and White Graphics Mode o Non blink Mode 1 Enable Blink Attribute In Alphanumeric Mode Only Not Used Not Used 2 Color Select Register 3D9H Bit 0 3 4 5 Description Selects Border Color in the...

Page 44: ...ed 4 Display Memory Buffer The display memory occupies memory space between B8000H and BBFFFH 16K Bytes and is used to contain video information It is organized in the following manner a 40 x 25 Alpha...

Page 45: ...odd row s rows 1 3 5 199 occupy the second block of memory from BAOOOH to BBF3FH The rest of the memory is not used Each row is specified by 80 bytes Each byte contains four dots on the screen Each d...

Page 46: ...for the speaker circuit The 8253 is driven by the 5 100 system clock 2 MHz divided by 2 to form a 1 MHz input 6 Speaker Control Port A latched I O port at address 6lH is used to control the speaker c...

Page 47: ...mmed by sending instructions to its physical port addresses of OF4 0F5H It is not recommended to change the mode of the keyboard processor as the ROM BIOS is set to operate in this mode In the event d...

Page 48: ...acitance XlO probe A frequency counter capable of six digit accuracy at 4 MHz A blank 5 25 w diskette and an 8 0 w diskette if you are using 8W drives in your system A S IOO extender board Precompensa...

Page 49: ...ata Separator Calibration If you have 5 25 drives continue with the next step a Format the 5 25 diskette While FORMAT is running turn R24 to ajust the pUlse width displayed on the oscilloscope to the...

Page 50: ...meter test leads 6 Set the six digit frequency counter to count 4 MHz 7 Attach the shield lead to U33 pin 7 GND and the signal lead to 033 pin 8 8 Adjust Rl3 for a reading of 4 0 MHz 9 Repeat steps 2...

Page 51: ...ICs on the motherboard for proper part numbers U164 74LS240 on System board U195 74LS240 U219 74LS74 U24l 74S244 For 8 MHz operation only U221 74ALSl032 Note LS is not the same as ALS or S Again turn...

Page 52: ...tivity 4 Video Board Problems a No color b Only one mode c Garbage on screen 5 Speaker no tone 6 Timer does not increment 7 Sticky keys 8 NMI interuppts Check disk cable for correct alignment Bad driv...

Page 53: ...APPENDIX A Keyboard Key Changes and Keycode Table Figure 18 Keyboard Key Changes for PC Mode Sl...

Page 54: ...42 14 Backspace Tab 143 15 Tab Q 144 16 Q W 145 17 W E 146 18 E R 147 19 R T 148 20 T Y 149 21 y U 150 22 U I 151 23 I 0 152 24 0 P 153 25 P 154 26 155 27 Return 156 28 Return Ctr1 157 29 Ctr1 A 158 3...

Page 55: ...me 199 8 t 200 2 t 201 202 4 203 4 203 5 204 6 205 6 _ 205 206 l End 207 2 208 2 t 208 2 208 3 PGDN 209 O INS 210 De1 211 212 213 214 215 Not Used Inval id Key 255 49 50 51 52 53 54 55 56 57 58 58 59...

Page 56: ...s In PC Mode 40 x 25 and 80 x 25 alphanumeric and character graphics 320 x 200 medium resolution color graphics and 640 x 200 high resolution black and white graphics Supports both upper and lower cas...

Page 57: ...priority temporary master during DMA transfers The EasyPC BIOS ROM Initializes all EasypC system I O ports Initializes and sizes system memory Prompts user for mode select Switches to Z lOO BIOS ROM...

Page 58: ...Bus Maximum Drive of 24 MA Sink 15 MA Source Typical LS Buffer Chips o 70 Degrees Centigrade Operating in Z lOO Internal Temperature Up to Four 5 1 4 Inch Drives Daisy Chained Up to Four 8 Inch Drives...

Page 59: ...BUFFERS U54 56 U45 5t 51 Df D7 1 I DATA T SEPARAT 1749 L L U47 lIDO MODE II BUFFER r DATA DHp 7 BUFFE DOlP 7 J U56 57 r r CONTROL LATCH r STATUS STATUS U37 PORT CONTROL J 62 63 r I DATA I 1 r SEPARATO...

Page 60: ...IN PI ANAl DG MULTIPLEX UI P3 COMPOSITE OUT 2100 AGB P2 U2 BUFFER P5 __ 1SYNC VSYNC AQ A19 STATUS CONTROL 8 253 TIMER 20H 23Hl I lU30l I 1 PC MOOE VIDEO CONTROLLER 16K VIDEO MEMORY B6 BBFFF Figure 20...

Page 61: ...APPENDIX C EasyPC Block Diagrams ZIOO PC MODE KBOROM ENABLE l S3 V U213 1 AI6 A2 S UI AS AT5 T J A9 V S5 AI A7 I U9 I AI A7 U197 At Ul UCIBIOS ROM 01 0 7 U3 KBOROM U217 Figure 21 System Board 59...

Page 62: ...APPENDIX C EasyPC Block Diagrams t U208 51 U4 8259A r r J J3 00000 J _ 00000 L U1 l t I 00 00 g U1M 57 to J Figure 22 Vectored Interrupts 60...

Page 63: ...0 I a t1 o I 1J 3 lQ rne ITt1 t1 t1 N tl7w o t1 a tr l SlI tI f1 tI I tr l tI Z 0 H o S 0 8 3 t1 IT t 4 SlI I o C IT...

Page 64: ...APPENDIX D EasyPC Cornponet Layout Figure 24 Floppy Disk Controller Board 62...

Page 65: ...U 27S281 LS3lZ L L_ C4 cs Cli C1 n i bl bl 01 Sn 01 I LSZ44 Ull U7 U Ul91 Ull U21j C8 Ul97 I I 1M I lPM LSOll LS373 LS373 LS373 1 1 U 53 AB utI CtW CItATIDN All tDIt lAS tOI U3 Jl U 5 1STDt 80MD n Z7...

Page 66: ...er and locate the same U39 on the back 3 Locate pin number 1 on U39 on the back of the board Pin 1 has a square IC pad 4 Count 6 pins to the left The foil trace running from pin 6 to pin 8 must be cut...

Page 67: ...Video Controller EasypC Timer 8253A EasyPC Game Port EasyPC DMA Page Register Secondary Multiport Card EasypC Speaker Port Primary Multiport Card EasypC Monochrome Display printer Memory Expansion Net...

Page 68: ...M Address Physical Address Description For use with D G Electronics Multifunction Card J6 on the System board must be cut between A and Band jumpered between Band C 3F8 3FF 2F8 2FF 068 06F 068 06F 66...

Page 69: ...S on the back 3 Locate pin number 1 on each IC pin 1 has a square IC pad 4 Counting clockwise locate pin 12 on US and pin lIon U4 Cut the foil trace running between these two pins with a sharp knife s...

Page 70: ...t boot device Default boot device Default boot device 1 Auto boot 0 Manual boot Not used Not used 1 PC mode 0 Z 100 mode o 60 Hz 1 50 Hz for video vertical scan frequency Sections 0 1 and 2 should be...

Page 71: ...ard over and locate U68 on the back of the board 3 Below U68 are three feed through holes in a single line A foil trace runs between the left feed through hole to the center hole Cut this trace see fi...

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Page 73: ...at no additional charge Repair parts and replacement parts will be furnished on an exchange basis and will be either reconditioned or new All replaced parts and products become the property of UCI Co...

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