  ͻ
                                                                           
              Inboard 386 Technical Installation Instructions              
                                                                           
  ͼ

ADDING MEMORY

  You can install 1M byte of memory in the sockets on the Inboard 386.  If
  these sockets are empty on your Inboard 386, you can fill them using the
  chips listed in FaxBack document number 2012.  You must fill all four
  columns at once. It takes 36 chips to fill the Inboard 386.  Use only
  256K-bit chips rated for speeds of 120ns or faster.
            Ŀ
                                               
                                               
                                               
                                               
                                               
                                               
            Ŀ     ڿ         ڿ
              4  3  2  1         

EXTENDED MEMORY ADDRESSES

  When installing extended memory in an IBM PC AT or compatible computer,
  you must configure extended memory addresses correctly.  Extended memory
  always starts at 1.0M bytes, regardless of which board supplies it.  The
  system board's extended memory (if any) will start at 1.0M bytes.  The
  Inboard 386's extended memory will be next, followed by the extended
  memory on any other extended memory boards in the computer.

  Here are two possible system setups ("Amount" is the amount of extended
  memory installed on each board):

                   Ŀ
                          Setup 1                 Setup 2       
                   Ĵ
                     Amount    Address     Amount    Address  
  Ĵ
   System board      0K                    512K    1.0M-1.5M 
   Inboard 386       1M      1.0M-2.0M      1M     1.5M-2.5M 
   Memory Board 1    2M      2.0M-4.0M      2M     2.5M-4.5M 
   Memory Board 2    1M      4.0M-5.0M      1M     4.5M-5.5M 
  

SETTING SWITCHES

                     ON ͻ
                                 
                         1 2 3 4 5 6 7 8 
  Total                 ͼ
  Extended                 
  Memory    Ŀ Ŀ
  in System                                      ܳܳܳ 0M bytes 
  Ŀ Ŀ Ĵ
  ܳܳܳܳܳ   0M bytes ܳ߳߳߳߳  7.5M bytes ߳ܳܳ 1M bytes 
  Ĵ Ĵ Ĵ
  ܳܳܳܳ߳  .5M bytes ߳ܳܳܳܳ  8.0M bytes ߳߳ܳ 2M bytes 
  Ĵ Ĵ Ĵ
  ܳܳܳ߳ܳ 1.0M bytes ߳ܳܳܳ߳  8.5M bytes ߳߳߳ 3M bytes 
  Ĵ Ĵ 
  ܳܳܳ߳߳ 1.5M bytes ߳ܳܳ߳ܳ  9.0M bytes      Memory
  Ĵ Ĵ      Installed
  ܳܳ߳ܳܳ 2.0M bytes ߳ܳܳ߳߳  9.5M bytes      on Inboard
  Ĵ Ĵ
  ܳܳ߳ܳ߳ 2.5M bytes ߳ܳ߳ܳܳ 10.0M bytes
  Ĵ Ĵ
  ܳܳ߳߳ܳ 3.0M bytes ߳ܳ߳ܳ߳ 10.5M bytes
  Ĵ Ĵ
  ܳܳ߳߳߳ 3.5M bytes ߳ܳ߳߳ܳ 11.0M bytes
  Ĵ Ĵ
  ܳ߳ܳܳܳ 4.0M bytes ߳ܳ߳߳߳ 11.5M bytes
  Ĵ Ĵ
  ܳ߳ܳܳ߳ 4.5M bytes ߳߳ܳܳܳ 12.0M bytes
  Ĵ Ĵ
  ܳ߳ܳ߳ܳ 5.0M bytes ߳߳ܳܳ߳ 12.5M bytes
  Ĵ Ĵ
  ܳ߳ܳ߳߳ 5.5M bytes ߳߳ܳ߳ܳ 13.0M bytes
  Ĵ Ĵ
  ܳ߳߳ܳܳ 6.0M bytes ߳߳ܳ߳߳ 13.5M bytes
  Ĵ Ĵ
  ܳ߳߳ܳ߳ 6.5M bytes ߳߳߳ܳܳ 14.0M bytes
  Ĵ 
  ܳ߳߳߳ܳ 7.0M bytes
  

                      ON ͻ
                              
                          1 2 3 4 
                         ͼ
  Extended    Ĵ   Ŀ80387
  Memory on   ܳ  0M bytes   ߳ Yes Present
  System BoardĴ   Ĵ
              ߳ .5M bytes   ܳ No  
                 
                              
   ConventionalĴ ĿConventional
   Memory in   ߳ 512K bytes ߳ 384K bytes Memory from
   Computer    Ĵ ĴInboard 386
              ڴܳ 640K bytes ܳ   0K bytes 
               
              
              You must disable system board to
               256K and set switch 2 OFF if you intend
               to set switch 3 ON. This setting also
               reduces Inboard extended memory by 512K.

INSTALLING THE BOARD

  Before installing the Inboard 386, verify that your computer is
  operating correctly.  Fix any existing problems before adding the
  Inboard 386.  Once you know the computer is operating correctly, follow
  these steps to install the Inboard 386.

  1.   Turn off the power switch on the computer and any attached
       equipment, and unplug the computer's power cord from the outlet.

  2.   Remove the computer's cover.

  3.   Remove any boards installed between the 80286 socket and the slot
       where you're going to install the Inboard 386.

  4.   Set the computer's system board switches to specify one of the
       following configurations:

  Ŀ
     Total system          Amount used         Amount used    
     board memory        as conventional       as extended    
       (bytes)                (bytes)             (bytes)     
  Ĵ
          512K                512K                none        
          640K                640K                none        
          1M                  512K*               512K        
  

       *Some 1M-byte system boards don't have this option.  In this case,
       configure the system board as 640K bytes conventional and 0K bytes
       extended memory.

  5.   Set the Inboard 386 switches 1 to 5 on the large switch block for
       the total amount of extended memory on all memory boards in your
       computer, including the Inboard 386.

  6.   Set the Inboard 386 switches 6 to 8 on the large switch block for
       the amount of memory attached directly to the Inboard 386.

  7.   Set switch 1 on the small switch block according to the amount of
       extended memory on the system board (amount must be either 512K or
       0K).

  8.   Set switch 2 on the small switch block according to the total
       amount of conventional memory supplied by the system board and any
       add-in board (amount must be either 640K or 512K).

  9.   Set switch 3 on the small switch block OFF.

  10.  Set switch 4 on the small switch block OFF unless you have
       installed an 80387 math coprocessor, in which case switch 4 is set
       ON.

  11.  If you have a 6-MHz IBM PC AT, replace the 12-MHz crystal with the
       16-MHz crystal provided in the Inboard 386 Installation kit.

  12.  Find the 80286 microprocessor, put a mark by pin 1 of the socket,
       then remove the 80286.

  13.  Find the 80287 socket.  If an 80287 is installed remove it.

  14.  Insert the 80287 "dummy" plug into the 80287 socket.

  15.  Plug one end of the Inboard 386 cable into the 80286 socket.

  NOTE:     There are three different types of 80286 chips.  The PGA chip
            has two rows of pins around the BOTTOM of the chip.  The PLCC
            chip sits inside a square socket and requires a special
            puller (provided with the installation kit) to remove it.
            The LCC chip is held in place by a metal clamp.  Make sure
            you have the correct installation kit for your 80286 socket.

  16.  Insert the Inboard into a full-length 16-bit slot that the cable
       can reach.

  17.  Replace any boards you removed from the computer.

  18.  Connect the free end of the Inboard 386 cable to the Inboard 386.

  19.  Replace the computer's cover, connect any cables you disconnected,
       and plug the power cord into the outlet.

YOUR COMPUTER'S SETUP PROGRAM

  After installing the Inboard 386, you MUST run your computer's SETUP
  program.  When prompted, enter the correct amount of conventional (also
  called "base") memory and extended (also called "expansion") memory.  If
  you've set the Inboard switches correctly, switches 1 to 5 on the large
  switch block will indicate the amount of extended memory and switch 2 on
  the small switch block will indicate the amount of conventional memory.
  Consult you computer's User's Guide for instructions on how to run
  SETUP.

INSTALLING THE SOFTWARE

  Installing the Inboard 386 software is a two step process:  copying the
  software to the root directory and setting up the software (by adding
  commands to the CONFIG.SYS and AUTOEXEC.BAT files).

  If you can't find the Inboard 386 software, you can download the latest
  versions from the Intel Bulletin Board System or from CompuServe.

COPYING THE INBOARD 386 SOFTWARE

  Before you can use the Inboard 386 software, you must copy it to your
  hard disk's root directory or your system diskette.  Copy only the
  software you need.  Here is short description of the software:

       INBRDAT.SYS    controls extended memory and speed control keys
       
       ISTATAT.EXE    displays the status of the INBRDAT.SYS settings
       
       ICACHE.COM     controls the Inboard 386's cache
       
       ILIM386.SYS    turns extended memory into expanded memory
       
       ILIM386.COM    displays the status of all memory in the computer
       
       ISPEEDAT.COM   changes systems speed from the DOS prompt or a
                      batch file

HARDWARE INSTALLATION FOR OS/2

  If you intend to use the OS/2 operating system, you may need to
  configure the Inboard 386 switches differently than you would for DOS.
  OS/2 requires 640K of conventional (plus some extended) memory to boot
  up.  If you have an IBM AT or similar computer that has only 512K of
  conventional memory before loading the Inboard 386 software, set the
  Inboard 386 switches as follows:

  1.   Find the three-pin jumper marked J18 on the system board.  It is
       at the front edge of the system board right next to the hard
       drive.  You'll probably have to remove the drive controller board
       to get to it.

  2.   Set the jumper block so that it connects the two pins closest to
       the back of the computer.

  3.   Set the Inboard 386 switches 1 to 5 on the large switch block for
       the appropriate amount of extended memory.  Find this amount by
       adding .5M byte to the amount of extended memory on any memory
       boards (not including Inboard 386) in the computer.

  4.   Set Inboard 386 switches 6 to 8 on the large switch block to the
       amount of memory attached directly to the Inboard 386 (including
       any memory on a Piggyback memory board).

  5.   Set Inboard 386 switch 1 on the small switch block OFF.

  6.   Set Inboard 386 switch 2 on the small switch block OFF.

  7.   Set Inboard 386 switch 3 on the small switch block ON.

  8.   Set Inboard 386 switch 4 on the small switch block OFF unless you
       have installed an 80387 math coprocessor, in which case switch 4
       is set ON.

  9.   Follow the instructions starting at step 11) of the previous
       section to install the Inboard 386.

INBRDAT.SYS

  Add the following command to the CONFIG.SYS file:

       DEVICE = INBRDAT.SYS [SPEED=n] [EGACACHE] [NOPAUSE]
                           [EGASIZE=n] [EGAINIT] [NOINT15]

  The parameters in brackets are optional.  Don't type the brackets.  The
  following table describes these parameters.

  Optional INBRDAT.SYS Parameters

  Ŀ
   Parameter   Meaning                                         
  ͵
                                                               
   SPEED=n     Set Inboard 386 initial operating speed to n.   
               Valid settings are 1, 2, 3, and 4.              
  Ĵ
   EGACACHE    Download EGA ROM BIOS instruction to 32-bit RAM.
  Ĵ
   NOPAUSE     Don't pause after Inboard 386 driver loads.     
  Ĵ
   EGASIZE=n   Initialize EGA board and set EGA video RAM size 
               to n. Valid settings are 64, 128, 192, and 256. 
  Ĵ
   EGAINIT     Re-execute EGA Power-On-Self-Test.  Do not use  
               with EGASIZE parameter.                         
  Ĵ
   NOINT15     Disable Inboard 386 32-bit extended memory      
               and use the computer's slower 16-bit extended   
               memory.                                         
  

ILIM386.SYS

  If you want to use 640K bytes of Inboard 386 memory for conventional and
  convert the remaining extended memory to expanded memory, add the
  following command to the CONFIG.SYS file:

       DEVICE = ILIM386.SYS [SWAP=n] [EMS=n or EXT=n] [FRAME=x]

  The parameters in brackets are optional.  Don't type the brackets.  The
  following table describes these parameters.

  NOTE:     If you plan to use Microsoft Windows 386, don't use the
            DEVICE = ILIM386.SYS command.  Windows 386 won't run if
            ILIM386.SYS is in memory.

  Optional ILIM386.SYS Parameters

  Ŀ
   Parameter   Meaning                                         
  ͵
   SWAP=n      Convert n amount of system board memory to      
               extended and use 640K bytes of Inboard 386      
               memory as conventional.                         
  Ĵ
   EMS=n       Set the amount of expanded memory to n.  All    
               remaining Inboard 386 memory remains as         
               extended.                                       
  Ĵ
   EXT=n       Set the amount of extended memory to n.  All    
               remaining Inboard 386 memory is converted to    
               expanded.                                       
  Ĵ
   FRAME=x     Set the EMS page frame starting address to x.   
               Valid values are: E000, DC00, D800, D400, D000, 
               CC00, C800, C400, C000.                         
  

ICACHE.COM

  Use the ICACHE program to create a disk cache that speeds up your hard
  drive.  ICACHE will use all available extended memory up to 1024K bytes
  unless you set a size using the optional parameters.

  Add the following command to the AUTOEXEC.BAT file:

       ICACHE [/S:n] [/B-] [/T-] [/-x]

  The parameters in brackets are optional.  Don't type the brackets.  The
  following table describes these parameters.

  Optional ICACHE.COM Parameters

  Ŀ
   Parameter   Meaning                                         
  ͵
                                                               
     /S:n      Set the size of the cache in K bytes to n.      
               Valid values are 48 to 1024.                    
  Ĵ
     /B-       Disable batch copy of sectors to and from the   
               cache. Use only if experiencing high-speed data 
               communications problems.                        
  Ĵ
     /T-       Disable whole-track reads.  ICACHE reads only   
               requested sectors, not the entire track.        
  Ĵ
     /-x       Disable caching on drive x.  If drive x is a    
               partition, no partition of that drive will be   
               cached.                                         
  

SPEEDAT.COM

  Use the following command to change the Inboard 386 operating speed.

  ISPEEDAT n

  Valid values for n are 1, 2, 3, and 4.  Speed 1 is very slow, and Speed
  4 is very fast.

  NOTE:     You can also change between speeds 1 and 4 by simultaneously
            pressing the Ctrl key, Alt key, left-shift key, and 1 or 4
            key.  The computer will beep to indicate that the selected
            speed is active (1 beep = speed 1, 4 beeps = speed 4).

ISTATAT.EXE

  Type ISTATAT at the DOS prompt and press Enter to view the current
  operating status of your Inboard 386.

ILIM386.COM

  Type ILIM386 at the DOS prompt and press Enter to view the status of all
  the memory in the computer, including memory on the Inboard 386.
  ILIM386.SYS must already be loaded in the CONFIG.SYS file.



End of file                 Intel FaxBack # 2014          November 9,1992
