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└─⟦4ce4a19fd⟧ Bits:30004145/disk1.imd SW95405I.2 Concurrent DOS 386 Release 2.0
    └─⟦this⟧ »READ.ME« 
└─⟦6e1ab6884⟧ Bits:30004544/disk1.imd SW95405I.2 Concurrent DOS 386 Release 2.1
    └─⟦this⟧ »READ.ME« 

TextFile

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                                 CONCURRENT DOS 386\r
\r
                           Release 2.0 Documentation Addenda\r
\r
                                   November 1987\r
\r
\r
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          INSTALLATION GUIDE\r
\r
          Using the IBM Enhanced Graphics Adapter (EGA):\r
\r
          1) With Serial Communications Applications:\r
\r
          If you run an application  that  receives  data over  one or both\r
          serial  ports, you should not concurrently  run any program  that\r
          uses colors.   Any change  in colors,  whether  commanded  by the\r
          application  itself or by Concurrent when you switch windows, can\r
          result in data loss at the serial port for the following reason:\r
\r
	  Concurrent uses "interrupts"  to maximize the performance (speed)\r
	  of programs  running  in background  windows  while data is being\r
	  received  from  one  or  both  serial  ports.  Using  interrupts,\r
	  Concurrent  runs background programs without pausing to check the\r
	  serial port to see if a character has been received. Instead, the\r
	  serial  port  signals  Concurrent   when  a  character  has  been\r
	  received,  and  only  then  does  Concurrent  pause  to  get  the\r
	  character and pass it to the receiving program.\r
\r
          Application programs may command your system's microprocessor  to\r
          ignore interrupts for any length of time, and if one program does\r
          this while another program is receiving characters from a  serial\r
          port,  it  is  possible  for one or more characters to be missed.\r
          Specifically,  when  the  EGA  has  been  commanded   to   change\r
          background  or  border  colors,  it  causes the microprocessor to\r
          ignore interrupts for up to 1/60 of a second.  At a transfer rate\r
          of  9600  BAUD,  a  maximum  of 16 characters may be missed while\r
          interrupt recognition is disabled.  Fewer characters  are  missed\r
          at  slower  BAUD rates.  Most communications programs are able to\r
          properly handle missing characters, but some are not.  It is  for\r
          this   reason   that   color-changing   on  the  EGA  and  serial\r
          communications are incompatible.\r
\r
\r
          RUNNING APPLICATIONS GUIDE\r
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          Borland Sidekick v1.56A\r
\r
          Ensure that the following settings are used:\r
\r
                 Memsize 128\r
                 Uses LIM memory : No\r
                 Bank ON \r
                 Suspend  ON\r
 \r
          Before loading Sidekick it is necessary to create an  environment \r
          which  will allow Terminate-And-Stay-Resident programs to  remain \r
          resident.  This is done by loading the command  interpreter  with \r
          the CDOS command.\r
 \r
          The  MEMSIZE  setting  shown  is  the  minimum  required  to  run \r
          Sidekick  and  includes  the  amount  required  for  the  command \r
          interpreter. This setting must be made before loading the command \r
          interpreter as the MEMSIZE command cannot be used from within the \r
          command interpreter. Since you are likely to run more programs at \r
          this  window  while using Sidekick, you should  ensure  that  the \r
          MEMSIZE setting is large enough to accommodate both Sidekick  and \r
          the largest of those programs.\r
\r
          After the CDOS command interpreter has been loaded it is possible \r
          to  run Sidekick as described in the Sidekick  documentation,  by \r
          loading the appropriate version of Sidekick.  e.g  SKC.COM ,  and \r
          then  using the "Ctrl" and "Alt" keys to invoke it while  running \r
          subsequent programs, which have also been loaded from within this \r
          command interpreter.\r
\r
          Sidekick will be removed from memory when the command interpreter \r
          EXIT  command  is used to go back to the outer level.\r
\r
          Note that Sidekick can be run on a Serial PC console if you  have\r
          a multiuser system, and that 1 copy of sidekick per window can be\r
          run.\r
\r
          Lotus 123 v2.0\r
          \r
          When status  is  requested  (/WS),  the "Expanded  Memory  %free"\r
          number  may be incorrectly  reported  by Lotus.  This  is because\r
          Lotus assumes it has complete  control  of  your Expanded  memory\r
          board.    Under  Concurrent,   other   concurrently-running   EMS\r
          applications,  as well as the operating system, may also allocate\r
          and deallocate  memory  from your board,  and Lotus gets mixed up\r
          performing its arithmetic.   The application's  actual use of the\r
          EMS board operates properly under Concurrent.\r
\r
\r
          Framework II\r
\r
          Under Concurrent DOS the Scroll-Lock key is not recognised as the\r
          "SHUTTLE" key by Framework.\r
\r
          A  Framework macro can be defined to perform this  function.  For\r
          example,  to define ALT-S as the shuttle key  you need to do  the\r
          following :-\r
\r
          On entering Framework, "LIBRARY" is highlighted.\r
\r
          Press "DOWN LEVEL" (number pad "+") to enter Library.\r
          Press {CTRL-C} E to make a new library frame.\r
          Type {ALT-S} followed by enter key (that's 8 characters in total)\r
          to name the macro.\r
\r
          Press F9 "ZOOM" to enter the frame\r
          Type {SCROLL-LOCK}\r
          Press "UP LEVEL" (number pad "-") twice  followed by enter key to\r
          tidy the screen.\r
\r
          You  can now use ALT-S as the shuttle key. On exiting  Framework,\r
          answer Y to "Save Library Modifications"\r
\r
	          RUNNING COPY PROTECTED PROGRAMS\r
	  \r
          On  Concurrent  DOS  386 when high memory is enabled  to  give  a \r
          larger  amount  of program memory (Transient  Program  Area)  you \r
          might  encounter  difficulties  with  running  the   installation \r
          procedures for some copy-protected programs.\r
\r
          For  Lotus  Symphony  v1.2 and Lotus 123 v2.01  if  errors  occur \r
          during the installation to the hard disk or on the removal of the \r
          program  from  hard-disk  then it is necessary  to  complete  the \r
          process manually using the COPYHARD program supplied by Lotus.\r
\r
          Use the command "COPYHARD" to install from the floppy disk to the \r
          hard disk, while logged into the program subdirectory on the hard \r
          disk. When prompted for the "System Diskette Drive", enter a or b \r
          according  to  the floppy drive required. When prompted  for  the \r
          "Hard Disk Drive", enter c or other drive letter as required  for \r
           your hard disk.\r
\r
          To  un-install  (remove program from hard disk) use  the  command \r
          "COPYHARD  /U"  and  enter the drive-id's as  described  for  the \r
          install above.\r
\r
\r
          REFERENCE GUIDE\r
\r
          SID86\r
\r
          SID86 is a Symbolic Instruction Debugger.  This program is a tool\r
          with  which  you  may install  software  "patches"  from  Digital\r
          Research,  should it ever become necessary to correct programs in\r
          the operating system or utilities.   Instructions  for installing\r
          patches  would  be  available  from  the  DRI  Technical  Support\r
          Department.\r
\r
\r
          FIXCB86 \r
\r
          This utility is  for patching  CBASIC  programs compiled with the \r
          Digital Research basic  compiler  CB86.  The patch  will stop the \r
          compiled  program  assigning a random  password to  files that it \r
          creates.\r
\r
          Just  type the drive and pathname of the program to  be  patched, \r
          along with  the  optional  /S  parameter to  patch  all  programs\r
          within subdirectories.\r
	  \r
	  \r
	  \r
          USER GUIDE\r
\r
          CARDFILE\r
                    \r
          The User's  Guide references  the files CARDFILE.DAT  and several\r
          files  with an IDX extension.   These  files  are created  by the\r
          CARDFILE program when you first enter data. They are not included\r
          on any of the Concurrent  diskettes  and are  not required  to be\r
          present before running CARDFILE.\r
\r
\r
          PRINTER MANAGER\r
                    \r
          This utility  does not accept  paths to files.   Use Concurrent's\r
          "floating drives" for equivalent functionality.\r
\r