Articles

AcerFormula (Version A): System Overview

Article #: 566
Category: Acer Formula
Last Modified: 5/8/96
Author:

              ACER FORMULA (VERSION A)
       
              SYSTEM FEATURES

CPU          :MIPS R4000/50MHZ SUPPORT R4400
MEMORY       :16MB SIMM UPGRADEABLE TO 128MB
BUILT IN I/O :32-BIT ETHERNET NS 83932
              KEYBOARD/MOUSE CONTROLLER 8742
SLOTS        :2 AT SLOTS
              3 PICA SLOTS (TWO HAVE BEEN OCCUPIED,
              ONE IS RESERVED FOR 2ND LEVEL CACHE BOARD)

           S3 GUI BOARD:
               GUI CHIP        :S3 86C805
               RAM SIZE        :DEFAULT 1MB RAM, UP TO 2MB
               1280 X 1024 256 COLOR
               1024 X 768 256 COLOR
               800 X 600 256 COLOR
               640 X 480 256 COLOR

           SCSI I/O BOARD:
               SCSI-2 PORT - NCR 53C94
               FDD CONTROLLER
               1 PAR/2 SERIAL PORTS
               RTC
               NVRAM
               SYSTEM PROM 256K X 8

           HOUSING:
               ID3-P HOUSING
               200W SPS
               1 3.5" FDD
               THREE (HH) FRONT BAYS,
               TWO INTERNAL 1 INCH BAYS

                        MOTHERBOARD JUMPER SETTINGS

        SW1     1-2     WITH 2ND LEVEL CACHE
                2-3     WITHOUT 2ND LEVEL CACHE

        SW2     RESERVED  DEFAULT CLOSE 1-2

        SW3     1-2     USE 2 CLOCK AS TAG UPDATE
                2-3     USE 1 CLOCK AS TAG UPDATE

        SW4     RESERVED  DEFAULT 1-2

        SW5     1-2     ADD ONE WAIT FOR SYSTEM READ
                2-3     FAST SYSTEM READ

        SW6     1-2     USE 2 CLOCK FOR DATA CACHE READ
                2-3     USE 1 CLOCK FOR DATA CACHE READ

        E3      FAN SELECTION
                1-2     2-3     
                OPEN    OPEN    11V @ 70mA
                OPEN    SHORT   10.1V @ 300mA
                SHORT   OPEN    12V @ 1A

        E1      DIAGNOSTIC SELECTION
                1-2     3-4
                OPEN    OPEN    VIDEO BOOT
                SHORT   OPRN    SERIAL BOOT
                OPEN    SHORT   VIDEO BOOT & LOOP ON ERROR
                SHORT   SHORT   NA

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