3026

3026 is a GPIB controller.

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Introduction

What does it do?

Switches and indicators

• Thumbwheel 1 - device-number switch
  • 1: device 0, dev.no (octal) 140000, Ident code (octal) 140000
  • 2: device 1, dev.no (octal) 140010, Ident code (octal) 140001
  • 3: device 0, dev.no (octal) 141400, Ident code (octal) 140140
  • 4: device 0, dev.no (octal) 141410, Ident code (octal) 140141
  • 5: device 0, dev.no (octal) 141420, Ident code (octal) 140142
  • 6: device 0, dev.no (octal) 141430, Ident code (octal) 140143
  • 7: device 0, dev.no (octal) 141440, Ident code (octal) 140144
  • 8: device 0, dev.no (octal) 141450, Ident code (octal) 140145
• LED 6 (yellow) : SYC - system-controller switch in ON position
• LED 5 (yellow) : REMOK - REMote OK, remote option in fumction
• LED 4 (yellow) : DMACT - DMA ACTive
• LED 3 (red)  : ERROR - Z80 microprogram has detected an error
• LED 2 (green)  : FIFO - First-In-First-Out register is empty
• LED 1 (green)  : RFT - Ready for transfer
• System-controller switch
  • switch ON: ND-100 is system controller
  • switch OFF: ND-100 is NOT system controller

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?

ECO

Here is a list of known ECO's (Engineering Change Order) for this card.

• ECO 100-755 - Only valid with remote-box. May loose data. Status: REMOTE BOX NOT CONNECTED.
• ECO 100-784 - May give various errors as ERROR 70, 72, 73

References

• Norsk Data Document ND–30.008.3 EN ND-100 Hardware Maintenance , page 198