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    Intel Math CoProcessor Installation and Configuration Notes: E-H

    
    

    E - MCP INSTALLATION & SYSTEM CONFIGURATION NOTES

    
       OEM                   Math         Additional Notes
    
       System                Coprocessor
    
    
    
         ENTOURAGE
    
    
    
         System 320A         Intel387 DX  Install jumper "ST-9"
    
    
    
         EPSON
    
    
    
         APEX                8087-2       Switch block 1, switch 2-OFF
    
    
    
         APEX PLUS           8087-1       Switch block 1, switch 2-OFF
    
    
    
         EQUITY I            8087         Remove jumper J1
    
    
    
         EQUITY Ie & I PLUS  8087-1       Switch-block 1, switch 2-OFF
    
    
    
         EQU8087-2*
    
            *The procedure for enabling the math coprocessor is different 
    
            depending on the version of the "MCY" system board.  Also, since
    
            this computer uses the NEC V30 microprocessor, Intel cannot
    
            guarantee compatibility. Contact Epson for information.
    
    
    
            Version                           Configuration
    
            Y14720100000                      Not supported
    
    
    
       Note: You can't use a memory board, such as an Intel Above Board, in
    
       these system boards once the MCP is installed.
    
    
    
           Version                        Configuration
    
           Y14720100001, Y14720500000,    Switch-block 1, switch 2-OFF,  and
    
           Y14720500001                   jumpers J1 and J2 to position 1
    
           Y14720600001, Y14720100002     Switch-block 1, switch 2-OFF
    
    
    
         EQUITY II PLUS           287XL        Set jumpers 4 and 5 to position
    
            A, then run SETUP 
    
    
    
         EQUITY III+              287XL        Set jumper J2-A, J3-B, then run
    
            SETUP 
    
    
    
         EQUITY 386SX16 PLUS      Intel387 SX-1Set Jumper 1 on pins 1 & 2 * 
    
    
    
         EQUITY 320SX PLUS                     Intel387 SX-20 * 
    
            *This system is not compatible with i387 MCPs marked  80387SX,
    
            80387SX 16-25, or 80387SL. The incompatibility is caused by  a
    
            particular stepping of the VLSI chipset used in these  systems. The
    
            use of an MCP marked 80387SX-16 or 80387SX-20 (a slower
    
            speed-marked MCP) may inhibit the errors caused by this  chipset. 
    
            If problems persist, users should contact Epson.
    
    
    
         EQUITY II 386DX-33 Model Intel387 DX 
    
            This system is NOT compatible with Intel387 DX Math CoProcessor.
    
    
    
            Epson recommends the use of the Intel387 DX-33 MCP instead. Epson
    
            recommends the use of the Intel387 DX-33 MCP instead
    
    
    
         EQUITY 386/20 A314211                 Intel387 DX
    
            Jumpers J2 and J3 to ON. Boot to the reference disk.
    
    
    
         ESPRIT 
    
    
    
       9310 PC   8087 (Field report)  Users report that this computer needs ROM
    
        BIOS v3.1 to use a math coprocessor.  BIOS v2.1  does not recognize the
    
       math coprocessor.
    
    

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