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Summary of Contents for PC 8000

Page 1: ...r I FranklIn Computer PC 8000 USER S REFERENCE MANUAL Franklin Computer Corporation Route 73 and Haddonfield Road Pennsauken N 08110 609 488 0600 ...

Page 2: ...addonfield Road Pennsauken NJ 08110 609 488 0600 This is a preliminary edition of the PC 8000 User s Reference Manual Please send any comments to Franklin Computer Corporation attn Technical Reference Dept This manual is Frank lin Pan Number FP 700010 Preliminary edition 1 2 June 23 1986 hlm gc ...

Page 3: ...hotocopied reproduced tran latod or reduced to any machine readable form without prior con nt in writing from Franklin lmputer Corporation The following trademarks owned by the indicated partie are used in this manual entmnic owned by entronic Data lrporation MS DOS owned by Microsoft Corporation IBM owned by the International Bu ioe Machine lrporation L 0 Y S H GJt1cl 3 5 txt j Ok L p tv d f 5 e ...

Page 4: ...ing to Chapter Two Power on the system and learn what we have in store for you in Chapter Three Next comes the keyboard the all powerful middleman between you and the computer in Chapter Four Chapter Five is all about MS DOS the operating system that makes the PC 8000 run Useful information such as pin out signals ROI instruction sets etc are listed in the Appendices It s time to start having fun ...

Page 5: ... measures Reorient the receiving antenna Relocate the computer with respect to the receiver Move the computer away from the receiver Plug the computer into a different outlet so that computer and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet p...

Page 6: ...duct manual or software purchased by the end user provided that such sale or transfer shall be subject to the limitations on Franklin s liability and of the limited license expressed herein THE SOFTWARE AND DOCUMENTATION IN THIS MANUAL IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MECHANTABILITY OR FITNESS FOR A PARTICULAR ...

Page 7: ...OR DATA SOME STATES MAY NOT ALLOW THIS FULL LIMITATION SO THIS LANGUAGE MAY NOT APPLY TO YOU IN SUCH CASE FRANKLIN S LIABILITY SHALL BE LIMITED TO REFUND OF THE PURCHASE PRICE OF THIS COMPUTER PRODUCT T his license is the only agreement between the end user and Franklin with regard to the software and shall not be modified by representations of any third party For information about reVISions to so...

Page 8: ...n repair or replace any product at no further charge to the end user on determination by Franklin in iL sole discretion that the product was defective and that such defect arose within the duration of this limIted warranty This warranty does not apply if in the sole discretion of Franklin the product has been damaged by accident abuse misues or misapplication or as a result of service or modificat...

Page 9: ... LIMITED TO LOST PROFITS DAMAGES TO PROPERTY DAMAGES FOR PERSONAL INJURY BUT ONLY TO THE EXTENT PERMITTED BY LAW DOWNTIME GOODWILL OR ANY COST OF REPORGRAMMING OR REPRODUCING ANY PROGRAM O R DATA UNLESS OTHERWISE CONTRARY TO APPLICABLE LAW FRANKLIN S LIABILITY SHALL IN NO CASE EXCEED THE CONTRACT PRICE PAID FOR THE PRODUCT CLA IMED TO BE DEFECTIVE Thc warranty shall not be applicable to the extcnt...

Page 10: ...1 5 2 The System Power Switch 1 8 1 5 3 The Monitor Power Socket 1 9 1 5 4 The Keyboard Connector 1 10 1 5 5 The Asynchronous Communications EIA RS 232 Interface Connector I II 1 5 6 Parallel Printer Interface Connector 1 12 1 6 The Motherboard and Expansion Slots 1 13 1 7 The Add On Cards 1 14 1 7 1 The CPU Card 1 14 1 7 2 The 10 Board 1 16 I 7 3 The Display Card 1 18 1 8 The Game Port 1 21 Chapt...

Page 11: ... 4 Keyboard Usage 4 1 The Main Keyboard 4 1 4 2 4 3 4 1 1 The Shift Key 4 1 2 The Ctrl Control Key 4 1 3 The Alt Alternate Key 4 1 4 The Caps Lock Key 4 1 5 The Enter Key 4 1 6 The Backspace Key 4 1 7 The Tab Key 4 1 8 The Space Bar The Numeric KeyPad The Function Keys Under the MS DOS 4 2 4 2 4 3 4 3 4 4 4 4 4 5 4 5 4 6 4 7 4 3 1 4 3 2 4 3 3 4 3 4 4 3 5 FI 4 7 F2 4 8 F3 4 8 F4 F5 4 8 4 9 4 4 Othe...

Page 12: ...k 4 15 Chapter 5 Learning the MS DOS Operating System 5 1 Learning About Your Files 5 1 5 2 Formatting A Diskette with One Drive 5 3 5 3 Backing Up Your System Diskette 5 6 5 3 1 The COPY Command 5 6 Copying All the Files from One Diskette to Another 5 7 Copy a File from One Diskette to Another With the Same Filename 5 9 Copy a File to the Currently Logged Diskette With a Different Filename 5 9 Co...

Page 13: ...h Setting B RS 232C Port Pin Assignment C Monochrome Adapter Video Interface Pin Assignment D Color Graphics Adapter Direct Drive and Composite Interface Pin Assignment E How to Install the Expansion Board F BIOS Error Messages G U43 Memory Mapping H Game Port Adapter Pin Assignment J The Clock Utilities 4 ...

Page 14: ...ion Interface Port COM I I II Parallel Printer Interface 1 12 The Motherboard and the Expansion Slots 1 13 CPU Card Block Diagram I IS Block Diagram of the 10 Board 1 17 Color Graphics Adapter 1 19 The Game Port 1 21 Connecting the Monitor to System Unit 2 2 Connecting the Keyboard to System Unit 2 3 Connecting the Parallel Printer to System Unit 2 4 Proper Installation of the System Unit 2 5 Flop...

Page 15: ... ard 40 x 25 A 6 Switch Setting for Color Ca rd 0 x 25 A 6 Switch Se tting f or SWI 7 SWI 8 A 7 Switch Setting for 5 12 K A 8 Switch Setting for 256K A 9 COM I Cable 8 1 COM 2 Cable 8 2 Removing the Screws E 2 Openning th e Top Cover E 2 Removing the Cover E 3 Removing the Metal Strip E 4 Inserting the Card E 5 U43 Memory Mapping G 2 RAM Space Allocation for 512K A 9 RAM Space Allocation for 256K ...

Page 16: ...nit is the personal computer itself and it comes in the form of an attractively designed box measuring about 400 x 120 x 380 mm Housed inside are the different vital parts that make the system unit function These include the Central Processing Unit CPU which is also referred to as the heart of the computer the power supply fan motherboard peripheral interfaces and circuitries etc 1 1 1 The Front P...

Page 17: ...2 The Rear Panel Important features on the rear panel like the power switch sockets and connectors provide convenience for connecting peripherals like the keyboard printer and monitor to the system unit Fig 1 2 The Rear Panel 1 2 ...

Page 18: ...display and the monochrome graphics display Some models are provided with a Color Graphics Adapter or CGA for short for sUpporting a color graphics monitor For models without the CGA the the user can add any of the three display adapters accordingly to support his monitor Contact your local Franklin dealer for the proper display adapter to suit your needs 1 3 ...

Page 19: ...isk Drives T wo buill in half hcigh 5 1 4 nnppy disk dri vc occupy Ihc uppcr hu nk nf Ihe system ulli The disk drivcs arc double id d and can formal 40 racks nn each sidc of Ih diskcllc Fig 3 The Disk J rive 1 4 ...

Page 20: ...type In additional to the standard typewriter keys there are the fun ction keys cursor control ke ys and numeric keypad for user convenience The keyboard can also be inclined for typing comfort To tilt the keyboard pull out the two pivotal legs at the bottoJll Refer to Chapter Four for details on keyboard usage Fig 1 4 Keyboard 1 5 ...

Page 21: ...eral sockets and connectors are located at the rear panel of the system unit as shown in Fig 1 5 System Power Socket Video Power Socket System Power Switch Game Port Video Connector Keyboard Connector Serial PorI Parallel Prinler Connector Fig 1 5 The Rear Panel 1 6 ...

Page 22: ...he system unit by means of a power cable The three prong male socket from the cable should be plugged to the system power socket in the rear panel as shown in Fig 1 6 The other end of the cable is plugged to the power source Fig 1 6 System Power Socket 1 7 ...

Page 23: ...1 5 2 The System Power Switch The power switch is located at the upper left corner of the rear panel The power to the system is turned on and off using this witch Fig 7 System Power Switch 1 8 ...

Page 24: ...rome monitors the monitor power cable should be con Ilt c t e d to the video mo nit or power socket loca ted below the system power swit ch Color monitors are usually plugged di rc l ly to th e power ou tlet Fig 8 Video Monitor Power Socket 1 9 ...

Page 25: ...1 5 4 The Keyboard Connector The keyboard connector Fig 1 9 provides the interface between the system unit and the keyboard Fig 1 9 The eyboard Connector 1 10 ...

Page 26: ...l devices such as modems mice plotters multiplexors serial printers etc A 9 pin J connector Asynchronous Communications connector COM I is provided on the 10 Board and it can be accessed from the rear panel as shown in Fig 1 10 COM I serves as an interface for modem serial printer or other serial devices For pin out signals refer to Appendix B 0 iji 0 j ft IJ COMJ Fig 1 10 Asynchronous Communicati...

Page 27: ...rface LPT2 The parallel or Centroni cs printer interface is a 5 pin D type con nector located on the 10 board It provides connection for IBM co mpa tible parallel printers PARALLEL INTERFACE Fig I II Parallel Printer Interface 1 1 2 ...

Page 28: ...the lowest slot whi le the 10 board occupies the nex t to Iowest slo t A display card mayor may not be added into one of the two upper slots depending on your model For details on how to install a card into the lot refer to Appendix E 1 r SlOY 1 1 10 bb Q O O 0 Cl lC CS 1 r 0 0 0 0 0 nou _0 F P SOO 0 C7 CI ct e o ell CO WO T EA BOARD 1 I 115071 1 0 0 0 0 0 0 CIlC U C1 C IICI1 1 I 0 0 0 0 0 SlOTt 0...

Page 29: ...The CPU Card On the CPU card are A The 8088 CPU working at 4 77 MHz without coprocessor 8087 B ROM 8K bytes for BIOS U36 C RAM 512K bytes expandable to 640K without parity check D DMA 8237 working at 4 77 MHz E WA IT I O RW Wait I clock for 4 77 MHz F Keyboard Interface Compatible with IBM PC keyboard 1 14 ...

Page 30: ...1 15 ...

Page 31: ...378H If a MDA or MGA is used the printer port on it is LPTI address 38CH If both LPTI and LPT2 are present there will be no connict the default is LPT I as it has a higher priority over LPT2 5 An optional Real Time Clock 58167 with its power backed up by a battery The real time clock utilities are available on the system diskette please refer to Appendix J for deta ils on how to use them An easy t...

Page 32: ...1 17 QJ o E C O o 0 u o iii t ...

Page 33: ...ne jack connects to the video monitor whi ch receives color composite signal input The highest possible resolution obtained with the display monitor displaying color graphics is 320 x 200 pixels or dots 2 B W composite signal phone jack PS This jack is for receiving black and white composite signal input The best resolution obtained is 640 x 200 pixels 3 Color direct drive 9 pin connector P6 Conne...

Page 34: ...mode you can have eight pages of 40 x 2S tex t or four pages of 80 x 25 tex t with attributes slich as reverse video blinking and highlighting In the color mode which ca n also display tex t with the graphics at the sa me time the color mo nito r can display up to 16 different foreground and up to 8 background colors The tex t mode ca n display the 256 character set that include 16 specia l charac...

Page 35: ...o counted as characters Under this mode you can view 1000 characters at one time 80 x 25 has 80 characters horizontally across the screen and 25 characters vertically down the screen In this mode one screen of text can have a maximum of 2000 characters The MUA and MGA cards As mentioned ea rlier a monochrome display or monochrome graphics display can also be connected to our system unit but instea...

Page 36: ...1 8 The Game Port A IS pin game port for connecting joystick is provided as shown in Fig 1 16 Game Port Fig 1 16 The Game Port 1 21 ...

Page 37: ...e fol lowing are included I rhe T ranklin PC OOO y lem unit 2 One keyboard 3 MS DOS system diskettes 4 One power cord to connect the system unit to the wall outlet 5 Manuals 2 2 Installation Procedures I After unpacking check for damages in your computer If it is damaged contact your lncal dealer 2 Check if all the necessary components are included in the package If not check with your local deale...

Page 38: ... the power is on may cause per manent damages to your personal computer or peripheral 4 Connect the video power cable to the video power socket in the rear panel Connect the video cable to the display card Keep in mind that the display card provided with some models is the CGA PC For monochrome display and monochrome graphic use a MDA or MGA and set the proper switches refer to Appendix A for the ...

Page 39: ...efore making the connection read your printer manual carefully or find out from your printer distributor what is the type of your printer Printers are basically divided into two types I Parallel Centronics interface printers and 2 Serial interface RS232 printers If you have a parallel interface printer connect your printer to the parallel printer interface connector on the system unit 2 3 ...

Page 40: ...d be connected to the printer and the other end to the power source Serial RS 232 equipments such as modems terminals or a host computer should be connected to the serial RS 232 connector Fig 2 3 Connecting the Parallel Printer to System Unit 7 Connect the system power cord One end of the power cord should be connected to the system unjt while the other end should be connected to the power source ...

Page 41: ...8 The system unit should be connected as follows Fig 2 4 Proper Installation of the Syste n Unit r 2 5 ...

Page 42: ...eed on how to power on the system here are some helpful pointers on proper diskette management to let your computer perform without a hitch 3 1 Write Protect Your Diskettes The first thing you should do on receiving the MS DOS system diskette is to write protect it Put a tab on the write protect notch if it is not already protected See Fig 3 1 D g _ 0 Fig 3 1 Floppy Diskette 3 1 J CT NOTCH ...

Page 43: ... be around 45 to 85 degrees Pahrenheit 8 to 30 d grccs Ct lsills 3 When the diskette is removed from the diskette drive it must be returned into the protective envelope immediately 4 Do not bent throw or write on the diskette with anything harder than a felt pen 5 Diskettes should be kept far away from devices that generate magnetic fields such as a fan 6 Do not remove the diskette from the drive ...

Page 44: ...skette A diskette is either single or double sided If only one side is used fo r storage it is called single sided If both sides are used it is then called double sided 3 6 Soft and Hard Sectored Diskette The diskette has one 0 more holes punched into it as reference fo r the diskette drive mechanism in locating a specific track or sector The diskette that has a hole between sectors is called a ha...

Page 45: ...ading When power is turned on the speaker inside the system unit will beep and a self test is performed to check that the CPU ROM RAM key board etc are connected and functioning properly When the self test is completed and no error is detected it will proceed tq boot the system from the diskette I Tum power on 2 Insert the MS DOS diskette and tum the lever on the disk drive clockwise The screen wi...

Page 46: ...then the system will check all the RAM memory on the system board byte by byte and successively display a corresponding position number of the memory after every Ik bytes of memory has been checked This operation takes about half minute If you responded with N for No or just ignore it the system will use the fast way to check all the RAM memory on the system board 64K bytes by 64K bytes If there i...

Page 47: ...on x xx C Copyright Micro soft Corp 1981 1986 A Fig 3 4 MS DOS Screen Message After Enter new date you will see the blinking cursor Press the Enter key or enter the new date in this format mm dd yy or mm dd yy Example 3 25 85 or 3 25 85 or 03 25 85 or 03 25 85 are all acceptable Then you will see the following message 3 6 ...

Page 48: ...e any number from 0 59 xx is hundredths of a second and can be any number from 0 99 This field is optional The colon is used to separate the hour minute and seconds To separate the second from hundredths of second use the period The system uses a 24 hour system so if the current time is 8 30 p m type in the current time like this 20 30 00 Next the MS DOS version line will be shown followed by the ...

Page 49: ...nd directly and have it executed enter data and store them in the diskette or simply echo data entered on the screen Characters entered are displayed immediately on the screen at the same time they are sent to be processed There are 84 keys on our keyboard These keys are divided into three groups I the main keyboard 2 the numeric key pad and 3 the fun ction keys 4 1 The Main Keyboard Fig 4 1 The M...

Page 50: ...y is echoed on the screen in computer terminology 4 1 1 The Shift Key Fig 4 2 The Shift Key The main keyboard may be used to enter both upper and lower case characters On an ordinary typewriter keyboard pressing the Shift key and any key will produce an upper case character of that key By the same token to type an upper case character using this key board press the desired key while holding down t...

Page 51: ...Fig 4 4 The Alt Key The Alt key is a third kind of shift key and is also used in conjunction with other keyes to perform a special function 4 1 4 The Caps Lock Key Fig 4 5 The Caps Lock Key This key is located on the lower right comer of the main keyboard This key functions as an on off toggle switch for shifting from capital letters to small letters Pressing this key once will lock your keyboard ...

Page 52: ...This is the Enter key It is equivalent to the typewriter s carriage return When the Enter key is pressed the cursor will move to the beginning of the nex t line 4 1 6 The Backspace Key Fig 4 7 The Backspace Key Pressing the Backspace key will move the cursor one character to the left of its current position at the same time deleting the character from the position it has moved from 4 4 ...

Page 53: ...e cursor eight spaces to the right at each press However it cannot cause the cursor to tab to the left 4 1 8 The Space Bar l k 5 6 r f o Fig 4 9 The Space Bar The Space bar is located at the bottom of the main keyboard This key is used for producing spaces 4 5 ...

Page 54: ...ions They are either in the numeric or cursor control mode When it is in the numeric mode the keys in this area are used for entering numerals This is rather convenient for entering long string of numeric data The default is cursor control mode This means that upon power on the keys on the numeric keypad will be used to shift the cursor one space to any of the four directions as indicated by the r...

Page 55: ...d for display ing one character from the template each tim e you enter this key The sa me results ca n be achieved by using the right dir ctio n arrow key 6 o n the numeric key pad For exam ple type Personal Computer from the keyboard and hit FS to enter tht chara cters into the tem plate Press the F I key 17 tim es and all the characters o nt character at a tim e from left to right will be displa...

Page 56: ...ll immediately display Personal on the screen 4 3 3 F3 ters from the template to the screen 4 3 4 F4 This key will delete all the characters preceding a specified character Let s continue with the above example Enter Personal Computer and press F5 Press F4 and c othing seems to have happened Don t worry Now press F3 and Computer will be shown on the screen The characters preceeding the c in Comput...

Page 57: ...line ow enter the key F3 all the character that you just typed into the template will be displayed 4 4 Other Editing Keys five function keys there are three more keys that are editing They are the Del Ins and Esc keys I For exa mple Key in Persona c haracter template on the screen Press In key he Ins key aga in to ex it f Persona l mjcrocom puter will be line The Ins key is loca ted Com puter Pres...

Page 58: ...ine on the screen However the characters in th e tem plate remain unchanged While Personal computer is being displayed press the Esc key The cursor will move to the next line You can either enter new data and press the Return key to remove the previous data from the template or you can press F3 to redisplay Personal computer 4 5 Program Control Keys in BASIC Option If you added the BASIC interpret...

Page 59: ...LIST when BAS IC is loaded to EDIT I0 rem Redefine F I to ed it 20 Fl Edit Enter and run this program Until you turn the power off o n your computer or red efin e Fl whenever you press this key Edit will be entered on the screen instead of LIST Th e new comma nd is also entered and displayed o n the status line at the bottom of the scree n A complete list of the function keys with their default co...

Page 60: ...r program lines aft er line No 80 they will not be d isplayed o n the screen However all the other program lines in memo ry are no t affected 4 5 2 F2 RUN T his i the RU key Aft er a program is entered pressing this key will cause the executio n of the program from the beginning You will notice that there is a left directio n arrow after the wo rd RU This denotes that o n ty ping F2 th e command w...

Page 61: ...llted portio n of a program that has been interrupted with CTRL BREAK or the STOP command 4 5 6 F6 LPTI This fun ctio n key prints out LPTI on the screen LPTI is fo r line printer one This command must be used together with another command e g LIST LPT I will have the complete program listed o n the printer 4 5 7 F7 TRON TRO stands for trace o n Running a program with TRON will li st each line num...

Page 62: ...rs If under the high resolution graphics mode SCREEN 2 it will return to the 80 character text mode 4 5 11 Home Pressing the Home key while holding down the Ctrl key will clear the screen and send the cursor to the upper left corner of the screen How ever your program in memory is not intact 4 5 12 End This key will move the cursor to the end of the current data line 4 5 13 Del Hitting the Del key...

Page 63: ...e 4 5 15 Ctrl Pressing the Ctrl key together with the left direction arrow key will shift the cursor one word not character to the left 4 5 16 Ctrl This combination causes the cursor to shift one word to the right 4 5 1 7 Clrl Scroll Lock Break Whenever you need to stop a program execution for whatever reason press the Scroll Lock Break key while holding down the Ctr key This will stop the program...

Page 64: ...is chapter we ll show you how to nlll the most commonly used MS DOS comm ands such as FORMAT COPY D1SKCOPY etc using a single disk drive For detailed information on the MS DOS its commands and their functions please refer to the MS DOS Operating System User s Guide 5 1 Learning About Your Files Under MS DOS a filename is made up of one to eigh t characters The characters allowed can be any of the ...

Page 65: ...of a filename or a filename extension it means that any character can occupy that position In other words when a is embedded in a filename or filename extension it holds one byte of information which can be used for a filename and filename extension A file specification of ab bas could mean the files abl bas ab2 bas abx bas aby bas ab bas ab bas A is used to represent eight bytes of information th...

Page 66: ...command will cause a group of files to be copied If you en ter the global file specification ab following the COPY command then all the files which match this file specification will be copied If you enter the global file specification following the COpy command then all the files from the default drive are copied on to the destination drive without changing the file specifications Below are some ...

Page 67: ...is message will be displayed Insert new diskette for drive A and strike ENTER when ready When the red in use light is off remove the MS DOS diskette and insert the new diskette in its place Hit any key and the following message will be shown Heads n Cylinder nn telling you the head and cylinder number that are being formatted 54 ...

Page 68: ...ed diskettes Enter n or N if you don t want to fonnat another diskette The format of the FORMAT command is d path FOR fAT ld S 1 UB V B 4 d path is the drive and path that contains FORMAT d specifies the drive containing the disk that need to be formatted If no drive is specified the disk in the default drive is formatted If the Is switch is specified then FORMAT copies the operating system files ...

Page 69: ...le command and there are four ways in which files can be copied I A file or all the files in a diskette may be copied to another diskette with the same name s and extension s This specific command will have all files rearranged in the new diskette to make optimum use of the disk space a Copy all the files from the source diskette in a to the target diskette in b copy a b All the files in the sourc...

Page 70: ...th a different filename or 3 the same diskette but with a different fil ename The existing fil e will be l omple tely overwri lten and ullrcco crahlc The syntax of the COPY comman d is COPY filenam e ex tension I fil ename I extension I II IV I The first fil ename is the source fi lename while the sel ond fi lename is th e optional target filename If the targe t fil enam e is not giwJl it will be ...

Page 71: ...ar Insert diskette for drive A and strike any key when ready Since the diskette is already inserted just strike any key 4 Then the screen will display the following message Insert Diskette for Drive B and strike any key when ready 5 8 ...

Page 72: ...name I Insert the source diskette in drive A 2 If you filename is called PROGRAM EXE type in A copy program exe b press the key 3 Insert the proper diskettes as prompted If you want a new filename for the destination file then enter A copy program exe b prog exe Copy a File to the Currently Logged Diskette With a Different Filename I Insert the source diskette in drive A 2 Enter the following comm...

Page 73: ...are overwritten with the contents of the program exe fil e The previous con ten ts of the pro exe are lost and lInrc 1 crahlc 5 3 2 The DISKCOPY Command The MS DOS provides a DISKC OPY program on the system diskette which allows you to copy all the files from the source diskette to the targe t diskette I Insert the sourcc diskctte in the top disk drive and the target diskcllc in thc botto m drivc ...

Page 74: ...g If the destination diskette is not formatted th en the user will be prompted with the following screen message Insert formatted target diskette in drive A Strike any key when ready 5 After the MS DOS has completed copying the screen will show Copy complete Copy another YIN 5 11 ...

Page 75: ... A DI R l lile name I Note th at tile tilename is opti onal If no tIIename is given th en DIR will list the whole directory Exam pie I A DIR press the IEnter key Th e screen will show the fil enames fil e ex ten tions the sizes of each files the time and date tile fil e were last accessed After all the fil e in form ation has been listed the MS DOS will print the size of unused memory space o n th...

Page 76: ...Command The TYPE comm and will print out the contents of a t1Ie on the screen The comman d yntax is A type li lename ex t 5 6 The RENAME Commarid The RENAM E command lets you change the fil e name of an existing fi le The comm and systax is A rename oldname ex t newname ext or A ren oldn ame ex t newn ame ex t 5 13 ...

Page 77: ... existing fil ename in the same diske tte 5 7 The ERASE Command The ERASE command is lIsed to delete the fil e speci fied in the command line The ERAS E command is the equivalent to the DEL com mand The DEL is also used to erase delete a fil e The command syntax is Erase filename or Del file name When the global fil ename is pecified all the files on the diskette will be erased 5 14 ...

Page 78: ...rocessor can access the devices connected directly or indirectly to it e g the RAM Random Access Memory and peripheral devices that are connected to or installed in your system unit A 2 The Location of the DIP Switche The switch is positioned conveniently in the rear panel in such a way that it can be accessed without having to remove the housing from the system unit Remove the metal strip on the ...

Page 79: ...llustration Fig A I Location of the DIP Switches To operate your system properly SWI should be set properly The following is a summary of the function of each slide switch The summary provides you with an overview of the functions of the con figuration switch A 2 ...

Page 80: ...witch Function No SWI I Enables disk drive SWI 2 Unused SWI 3 Reserved SWI 4 Reserved SWI 5 Determines the number of display columns SWI 6 Determines display type SWI 7 SW 1 7 and SW 1 8 determine the number SWI 8 of disk drive s installed in the system unit A 3 ...

Page 81: ...One Switch Defaul t o Setting SWI I OFF Disk drive enabled SWI 2 Unused SWI 3 OFF Reserved SWI 4 OFF Reser ved SWI 5 ON De fault display type is eGA and display is 80 characters by 25 line SW I 6 OFF SW I 7 0 Default number of drives is I SWI 8 0 A 4 ...

Page 82: ...nserted in your diskette drive The video display type is determined by SW 1 5 and SW I 6 Be forewarned that setting the slide switches for the display monitor differently from those given in this manual may damage your display For monochrome display monitor this slide switch should be set to OFF For color display monitor having 40 characters per line it should also be set to OFF Refer to the follo...

Page 83: ...SWI Fig A 2 Switch Setting for Monochrome Display 80 x 25 Fig A 3 Switch Setting for Color Card 40 x 25 Fig A 4 Switch Setting for Color Card 80 x 25 Switch Setting for the Enhanced Graphics Adapter A 6 ...

Page 84: ...es is determined by switches SW 1 7 and SWI 8 In combination with SWI 7 the purpose of this slide switch is to determine the number of diskette drives in the system unit SWI I Drive SWI 2 Drives Fig A S Switch Setting for SWI 7 SWI 8 A 7 ...

Page 85: ...ings are as follows SWITCH FUNCTION ON OFF DEFFAULT SWI l INT2 IRQ2 Enable Disable OFF SWI 2 RTCO Address 2COH 2C7H Enable Disable ON SWI 3 RTCI Address 300H 307H Enable Disable OFF SWIA COM2 Address 2F8H 2FFH Enable Disable ON SWI S COMI Address3F8H 3FFH Enable Disable ON SWI 6 LPT2 Address 378H 37FH Enable Disable ON RTC Real Time clock A 8 ...

Page 86: ...r Appendix B RS232C Port Pin Assignment 9 pin co nnecto r 089 I 0825 8 2 3 Fig 8 1 CUMI Cable Pin No 3 4 5 2 20 7 8 1 6 6 DB25 25 p in connector 7 4 8 5 9 ...

Page 87: ... co nnec t o r Fig 8 2 COM2 Cable Pin o 10 pin I 2 3 4 S 6 7 8 9 10 D82S 2S 22 8 20 7 6 S 4 3 2 8 2 ...

Page 88: ...a 2 Received Data 3 PERIPHERAL Request to Send 4 Clear to Send 5 RS 232 PORT Data Set Ready 6 Signal Ground 7 NC 8 NC 9 NC 10 NC II NC 12 I C 13 NC 14 NC 15 NC 16 NC 17 C 18 NC 19 r Data Terminal Ready 20 C 21 NC NC 23 C 24 NC 25 8 3 ...

Page 89: ...C Monochrome Adapter Video Interface Pin Assignment AT STANDARD TTL LEVELS Ground Gro und o t Used MONOCHROME MONOCHROME DISPLAY o t U ed DISPLAY AND o t Used PRINTER ADAPTER Intensit y Video Ho rizontal Vertical C ...

Page 90: ...Adapter Direct Drive and Composite Interface Pin Assignment AT STANDARD TTL LEVELS Ground I Ground Reel 3 RGB COLOR COLOR Green 4 GRAPHICS MONITOR Blut 5 ADAPTER Int ensity 6 Rese rved 7 Hori zont al Drivt 8 Vertica l Drive 9 0 1 ...

Page 91: ...Ch sSIS Ground Composi te Video Si llai i COLOR VIDEO Cha sis C round GRAPHICS MONITOR COMPOSITE PHONE JACK D 2 ...

Page 92: ...ower switches such as Monitor Printer etc 3 Disconnect all cables from the rear panel of the system unit re membering distinctly where each cable was attached 4 Place the system unit in a convenient position to allow easy access to the rear panel 5 Remove the three screws from the cover with a flat screwdriver by turning them counterclockwise as shown below Save the screws for reinstallation of th...

Page 93: ...t Removing the Screws 6 Carefully slide the system unit s cover a few inches toward the rear as shown below then pull both sides a little bit sideways _ n _ u n _ n __jj I 1 Fig E 2 Opening the Top Cover E 2 ...

Page 94: ... 7 Raise the cover upwards and pull backwards Set the cover aside Fig E 3 Removing the Cover 8 There are four expansion slots on the mother board You can insert the option card in th e unused slot E 3 ...

Page 95: ...9 Remove the metal strip that corresponds to the expansion slot by turning the screw counterclockwise save the screw for the reinstalla tion of the option card Fig E 4 Removing the Metal Strip E 4 ...

Page 96: ...ight side Ca r d Gui d e Card Stoppe r Fig E S Inserting the Card II ote that the card should be inserted between two notches in the card guide Screw the card in place Return the card stopper to its original position and screw it in place 12 Read the instructions for the option card and make the necessary connections if any 13 Replace the cover and reinstall the screws E 5 ...

Page 97: ...owering on your system unit you will hear a long beep generated by the built in speaker unless an error occurs The possible errors are I System halt DMA Register R W error 2 The system halts after generating a long beep when an R w or parity error has occurred in the memory range from 0 through OFFFFH on the system board 3 The system generates two short beeps after a long beep This error occurs wh...

Page 98: ... the system board the DIP switches will have to be adjusted accordingly else the screen message will not echo the correct RAM size B The top three rows of the self test messages are used to show wh ether the color signals are transferred nomlally between the system unit and the vid eo display If you use a monochrome video display connected to the system via a Monochrome Display and printer Adapter...

Page 99: ...RAM Error Indicates that there is an error in one of the memory banks the location of which is currently shown on the screen After the Self test the operating system will be booted into the system At this point if a non system diskette was inserted in the default drive the screen will display the following error message Non System disk or disk error Replace and strike any key when ready F 3 ...

Page 100: ...Or if no system diskette was inserted in the default drive this error message will be displayed No system Insert system disk and strike any key when ready F 4 ...

Page 101: ...00 FDFFF is available at U43 and if you insert a 27256 chip in that location the memory space should be mapped as follows 1 7256 Chip 1st 8K bytes 2nd 8K bytes 3rd 8K bytes 4th 8K bytes G l Memory Address F8000 F9FFF FAOOO FBFFF FCOOO FDFFF F6000 F7FFF ...

Page 102: ...For your convenience below is a cross reference F6000 J 8K 8K F7FFF F8000 J 8K F9FFF FAOOO l J HK FBFFF FCOOO J 4th 8K FtJFFF Memory Address 27256 Chip Fig G J U43 Memory Mapping G 2 ...

Page 103: ... Port Adapter Pin Assignment Adapter Pin No Function 1 5 Vdc 2 Button 4 3 Position 0 4 Ground 5 Ground 6 Position 1 7 Button 5 8 5 Vdc 9 5 Vdc 10 Button 6 11 Position 2 12 Ground 13 Position 3 14 Button 7 15 5 Vdc H 1 ...

Page 104: ... battery backed up and keeps on operating even if the power of the personal computer is turned off The time and date on the real time clock is called the real time To Set or Change the Real Time Date Enter the SDATE command under the following form at SDATE mm dd yyJ Where mm means month and it can be any number from 0 I to 12 dd means day and it can be any number from 0 I to 31 yy means year and ...

Page 105: ...dd and yy Dates can be set or changed by keying in the new date from the keyboard or from a batch file If you want the current date as is just press the RETURN key To Set or Change the Real Time Clock To change or set the time on the real time clock enter the STIME command under the following format STIME hh mm ss xxJ where hh means hour and can be any number from 0 23 mm means minute and can be a...

Page 106: ... with the following screen message Current time is hh mm ss xx Enter new time Loading the Real time into the System We can update the date and time in the system by loading the real tim e u ing the TODA Y command TODAY The screen will display the following message Current day is day mm dd yy Current time is hh mm ss XX J 3 ...

Page 107: ...lendar will be one day ahead The user should set the real time using the SDATE command every leap year by doing either of the following I If the user power up the system on Feb 29 the date on the real time clock will show Mar I xday To correct this set the date back one day Feb 28 on the real time clock 2 If the user turn on the system unit after Feb 29 the date will be one day ahead just set it b...

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