NORD-50: Difference between revisions

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The NORD-50 computer system is a completely integrated system of [[NORD-10/S]] and NORD-50 CPUs. The I/O system, file system and operating system are common to both processors.
The NORD-50 computer system is a completely integrated system of [[NORD-10/S]] and NORD-50 CPUs. The I/O system, file system and operating system are common to both processors.
The NORD-50 CPU was used in the [[ND 1100/S]], [[ND 1200/S]], [[ND 1300/S]] and [[ND 1400/S]] systems.<ND>


The NORD-50 CPU is designed to be a fast floating point processor which is a total slave to the NORD-10/S.<ref name="ND-10-OG">{{Weblink|www.sintran.com/sintran/library/libhw/libhw.html|30.001.01A NORD-10/NORD-50, Operator's Guide}}</ref>
The NORD-50 CPU is designed to be a fast floating point processor which is a total slave to the NORD-10/S.<ref name="ND-10-OG">{{Weblink|www.sintran.com/sintran/library/libhw/libhw.html|30.001.01A NORD-10/NORD-50, Operator's Guide}}</ref>


NORD-50 does not have an I/O system or interrupt system by itself. This implies that NORD-10/S submits jobs to NORD-50 for execution in batches and acts as a system supervisor running the operating system [[SINTRAN III/VS]] and the [[NORD-50 monitor]].
NORD-50 does not have an I/O system or interrupt system by itself, all I/O is done through the NORD-10/S which submits jobs to NORD-50 for execution in batches. The NORD-10 acts as a system supervisor running the operating system [[SINTRAN III/VS]] and the [[NORD-50 monitor]].


In a NORD-50 computer system, the NORD-10/S has the following functions:
In a NORD-50 computer system, the NORD-10/S has the following functions:
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The slave processor NORD-50 is activated by the NORD-10/S and NORD-50 executes programs in parallel with the activities in NORD-10/S. The NORD-10/S is interrupted when the NORD-50 comes to an end of its tasks.
The slave processor NORD-50 is activated by the NORD-10/S and NORD-50 executes programs in parallel with the activities in NORD-10/S. The NORD-10/S is interrupted when the NORD-50 comes to an end of its tasks.
To the NORD-10 the NORD-50 looks like any else device and is controlled via standard [[IOX]] instructions.
==CPU==
==CPU==
The NORD-50 CPU has a word length of 32 bits.
The NORD-50 CPU has a word length of 32 bits.
There are a number of registers in the NORD-50 CPU.<ref>{{ND-doc|05.004}}</ref>
* 64 general data registers with register 0 always containing zero.
* The 64 general registers can be combined in pairs as 32 64 bit floating point registers.
* The lower 16 registers can be used as base or index registers for addressing.
==Address space==
==Address space==
The NORD-50 has a 4 megabytes physical address space.
The NORD-50 has a 4 megabytes physical address space.
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| 0.531 || 0.451 || Fortran || 1975
| 0.531 || 0.451 || Fortran || 1975
|}
|}
==Remaining machines==
This is a first shot at a list of remaining machines. Also machines that is known to be lost will be listed to make it easier to locate remaining ones. We don't have any production numbers yet.
* NORD-50 with unknown serial is in the collection of Trøim, in Telemuseums storage in Fetsund (2016 inventory).
* NORD-50 with unknown serial is part of the collection of Datormuseum.se<ref>[http://www.datormuseum.se/computers/others/nord-10-s The collection of Datormuseum.se]</ref>
===Lost machines===
* NORD-50 snr 11 was bought by Boliden in Sweden. Later donated to Forskarföreningen Umeå Naturvetare, also known as FUN. The machine were scrapped short before the society was disbanded. Only a few manuals remains.


==Related==
==Related==
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[[NORD-50 monitor]]
[[NORD-50 monitor]]
==References and sources==
==References and sources==
<references/>
<references/>


[[Category:Norsk Data hardware]]
[[Category:Norsk Data hardware]] [[Category:NORD-50 hardware]]

Revision as of 22:52, 27 August 2016

The NORD-50 computer system is a completely integrated system of NORD-10/S and NORD-50 CPUs. The I/O system, file system and operating system are common to both processors.

The NORD-50 CPU was used in the ND 1100/S, ND 1200/S, ND 1300/S and ND 1400/S systems.<ND>

The NORD-50 CPU is designed to be a fast floating point processor which is a total slave to the NORD-10/S.[1]

NORD-50 does not have an I/O system or interrupt system by itself, all I/O is done through the NORD-10/S which submits jobs to NORD-50 for execution in batches. The NORD-10 acts as a system supervisor running the operating system SINTRAN III/VS and the NORD-50 monitor.

In a NORD-50 computer system, the NORD-10/S has the following functions:

  • Supervision and synchronization of the NORD-50s in the system.
  • Running the operating system, SINTRAN III.
  • Generating NORD-50 executable machine code via NORD-50 assembler or FORTRAN compiler.
  • Being the I/O system for the NORD-50s performing I/O transfer to / from the NORD-50 memory.

The NORD-50s in the system perform execution of instructions with data supplied through the NORD-10/S I/O system from byte oriented devices such as terminals, general DMA devices such as disks and magnetic tapes, the universal DMA interface, and special high-speed DMA channels connected directly to ports in the multiport memory system.

The system architecture is such that NORD-50s can have their private memories including a high speed static memory in addition to the multiport memory system.

The NORD-50s themselves do not perform any tasks except for running the application programs.

The slave processor NORD-50 is activated by the NORD-10/S and NORD-50 executes programs in parallel with the activities in NORD-10/S. The NORD-10/S is interrupted when the NORD-50 comes to an end of its tasks.

To the NORD-10 the NORD-50 looks like any else device and is controlled via standard IOX instructions.

CPU

The NORD-50 CPU has a word length of 32 bits.

There are a number of registers in the NORD-50 CPU.[2]

  • 64 general data registers with register 0 always containing zero.
  • The 64 general registers can be combined in pairs as 32 64 bit floating point registers.
  • The lower 16 registers can be used as base or index registers for addressing.

Address space

The NORD-50 has a 4 megabytes physical address space.

Circuit Boards

Main registers and arithmetic, communication registers NORD-10/NORD-50, memory address and data lines, line drivers for external arithmetic are organised on three different boads, each handling four bits:

  • 1501 Address Arithmetic
  • 1502 Register
  • 1503 Arithmetic Buffer

The 32 bit CPU uses eight of each board, making a total of 24 boards.

The timing and control section of the CPU uses eight different boards:

  • 1500 NORD-50 I/O Control
  • 1504 NORD-50 Controller
  • 1505 Register Address
  • 1506 Cycle Counter
  • 1507 Arithmetic Control
  • 1508 Chip Select
  • 1510 Instruction Control
  • 1519 Timing Control

Performance

Whetstone results [3]
MWIPS MWIPS double precision Language Date
0.531 0.451 Fortran 1975

Remaining machines

This is a first shot at a list of remaining machines. Also machines that is known to be lost will be listed to make it easier to locate remaining ones. We don't have any production numbers yet.

  • NORD-50 with unknown serial is in the collection of Trøim, in Telemuseums storage in Fetsund (2016 inventory).
  • NORD-50 with unknown serial is part of the collection of Datormuseum.se[4]

Lost machines

  • NORD-50 snr 11 was bought by Boliden in Sweden. Later donated to Forskarföreningen Umeå Naturvetare, also known as FUN. The machine were scrapped short before the society was disbanded. Only a few manuals remains.

Related

NORD-50 (command)

NORD-50 monitor

References and sources