
TEXAS INSTRUMENTS

SYSTEM SP1000

Processor         80386SX
Processor Speed   16MHz
Chip Set          AMD
Max. onboard DRAM 1MB
Cache             None
BIOS              AMD
Dimensions        355mm x 304mm
I/O Options       32-bit proprietary bus slot
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Control panel             J23       32-bit proprietary bus       S1
  connector                           slot

                        USER CONFIGURABLE SETTINGS

              Function                      Switch           Position

     Monitor type select                SW1/switch 5           Off
      monochrome

      Monitor type select color          SW1/switch 5           On

     CPU speed select smart mode        SW1/switch 6           On

      CPU speed select 16MHz             SW1/switch 6           Off

     Factory configured - do not        SW2/switch 1           N/A
      alter

     System select 1 wait state         SW2/switch 3           Off

      System select 0 wait states        SW2/switch 3           On

     Factory configured - do not        SW2/switch 4           N/A
      alter

  Note:In the smart mode, the processor slows down during accesses to the
  diskette drive.

                            BIOS CONFIGURATION

     BIOS       SW1/switch 1   SW1/switch 2   SW1/switch 3   SW1/switch 4

     27128         On             On             Off            Off

      27256         Off            Off            On              On

                             NPU CONFIGURATION

          NPU                J20              J21               J22

         Enabled         pins 1 & 2       pins 1 & 2        pins 2 & 3
                            closed           closed           closed

         Disabled         pins 2 & 3       pins 2 & 3        pins 1 & 2
                            closed           closed           closed

  SYSTEM DRAM CONFIGURATION

     Size           DIPPs

      1MB        (32) 41256

                     SYSTEM MEMORY MODE CONFIGURATION

    Base         BIOS         External      SW1/7      SW1/8      SW2/2
                              Memory

   640KB        Normal          0KB          On         On         Off

   640KB        Loaded          0KB          On         Off        Off
                 high

   640KB        Normal         256KB         Off        On         On

   640KB        Loaded         256KB         Off        Off        On
                 high

[Image]

[Image]

              USER CONFIGURABLE SETTINGS FOR EXTERNAL MEMORY

                Function                   Jumper           Position

     Factory configured - do not            JP1       pins 1 & 2 closed
      alter

     Factory configured - do not            JP2       pins 2 & 3 closed
      alter

     Factory configured - do not            TP1        pins 3 & 8, 4 & 9
      alter                                                  closed

     Factory configured - do not            TP2        pins 3 & 8, 4 & 9
      alter                                                  closed

                      EXTERNAL MEMORY CONFIGURATION

     Size          Bank 1         Bank 2        Bank 3         Bank 4

      2MB       (16) 411000        NONE          NONE           NONE

      4MB       (16) 411000    (16) 411000       NONE           NONE

      6MB       (16) 411000    (16) 411000    (16) 411000       NONE

      8MB       (16) 411000    (16) 411000    (16) 411000    (16) 411000

             EXTERNAL MEMORY SWITCH CONFIGURATION

      Size       SW1/switch 1    SW1/switch 2    SW1/switch 3

      2MB             On              On              On

      4MB             Off             On              On

      6MB             Off             Off             On

      8MB             Off             Off            Off

