3036

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3036 is a 64 or 128 Kbyte memory module.

Introduction

64 or 128 Kbyte memory for a ND-100 machine.

Switches and indicators

From top of the card

  • upper limit display (octal)
  • TH1 - memory address (low digit, octal)
  • TH2 - memory address (high digit, octal)
    • TH2:0, TH1:0 - upper limit display: 04 - memory address range: 0 - 64 K
    • TH2:0, TH1:1 - upper limit display: 05 - memory address range: 16 - 80 K
    • TH2:0, TH1:2 - upper limit display: 06 - memory address range: 32 - 96 K
    •  :
    • TH2:1, TH1:0 - upper limit display: 14 - memory address range: 128 - 192 K
    • TH2:1, TH1:1 - upper limit display: 15 - memory address range: 144 - 208 K
    •  :
    • TH2:7, TH1:3 - upper limit display: 77 - memory address range: 944 - 1008 K

Sets and displays the memory address range of the card, in octal.

  • T6 - yellow LED - 48-64 KW access indicator
  • T5 - yellow LED - 32-48 KW access indicator
  • T4 - yellow LED - 16-32 KW access indicator
  • T3 - yellow LED - 0-16 KW access indicator
  • T2 - red LED - error detected indicator
  • T1 - red LED - error correction disabled indicator
  • ENABLE / DISABLE switch
    • 0 - disabled - disables the error correction indicator (T1) and clears the error detected indicator (T2).
    • 1 - enabled - enables the error detected indicator (T2).

Connectors

The A and B connectors are used for I/O, the C connector is used for the ND-100 Bus.

I/O Devices on the card

none?

ND sales number

  • ND-113 - 64 Kbyte
  • ND-115 - 128 Kbyte

References