ND-5000 family: Difference between revisions
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=== The ND-5000 Compact series === | |||
The ND-5000 Compact series is equipped with: | |||
* ND-110/CX I/O Processor (ND-110 in ND-5200 Compact system) | |||
* Internal disks or a controller for external disks | |||
* One Streamer, 125 MB (Option on systems with external disks) | |||
* One floppy-disk drive (1.2 MB capacity) | |||
* 4 to 6 MB memory | |||
* SINTRAN and utilities | |||
All ND-5000 Compact systems are available in two models: A model with internal disks and B model with external disk option. A models include from one to four internal disks of 125 MB capacity each (called models A1 to A4). ND-5200 | |||
Compact system includes an extra model with one 60 MB internal disk (called model A0). Model B versions are delivered with a controller for external disks and can be configured with external disks and magtape. | |||
== Remaining systems == | == Remaining systems == | ||
Revision as of 19:58, 5 July 2020
The ND-5000 family is the third generations system based on the ND-500 architecture. It is a totally new construction both in hardware and physical layout. The ND-5000 CPU uses the same instructions as the ND-500 CPU but adds 25 new instructions[1] called '87 extensions', also found in the ND-500/1 and ND-500/2 CPUs.
The new ND-5000 CPU replaces 24 cards in the old ND-500 arcitecture. The single processor ND-5700 system have the same computational power as a ND-570 system.
The ND-5000 series of computers is able to run both SINTRAN III and NDIX, Norsk Data's version of UNIX.
Hardware implementation
The ND-5000 family systems uses a ND-100/ND-110/ND-120 CPU as I/O processor.
Samson
Sold as the ND-5200, ND-5400, ND-5500, ND-5700, and ND-5800. The ND-120 CPU line, which constituted the ND-100 side of most ND-5000 computers, was named Delilah. As the 5000 line progressed in speed, the dual-arch ND-100/500 configuration increasingly became bottlenecked by all I/O having to go through the ND-100.
Rallar
Sold as the ND-5830 and ND-5850. The Rallar processor consisted of two main VLSI gate arrays, KUSK and GAMP - meaning "Jockey" and "Horse", respectively.
CPU types
The ND-5000 CPUs came in 3 types. Type 1 had two layers of cards, type 2 had three layers of cards, and type 3 had four layers of cards. Type 1 and type 2 used similar mother boards/baby modules, the difference was that a layer with instruction/data cache and the AAP (Additional Arithmetic Processor) was missing in the type 1 CPUs. The missing AAP meant that on type 1 CPUs floating point operations were performed by the microprogram[2].
System performance
The difference in performance between models was mainly done by 3 methods:
- Select a CPU (Type 1 / Type 2 / Type 3).
- Jumper the master clock speed to Slow (156 ns) or Normal (70 ns).
- Disable or enable a number or performance enhancing caching features.
Different combinations of the above resulted in the different ND-5000 models. The table below illustrates this[3].
| System | CPU type | Instruction cache | Data cache | Address cache | Smart IfGo cache | WICO (Write in Cache only) | Master clock speed |
|---|---|---|---|---|---|---|---|
| ND-5200 | 1 | - | - | - | - | - | 70 ns |
| ND-5400 | 2 | Yes | - | - | Yes | - | 156 ns |
| ND-5500 | 2 | Yes | Yes | - | Yes | - | 156 ns |
| ND-5700 | 2 | Yes | Yes | Yes | Yes | - | 70 ns |
| ND-5800 | 3 | Yes | Yes | Yes | Yes | Yes | 70 ns |
Models
The original series of ND-5000 computers came in three different models, ND-5700, ND-5800 and ND-5900. The ND-5900 models are the same as the ND-5800, but with multiple CPUs (2, 3 or 4). Later additions to the family were Compact models, ND-5200 Compact and ND-5700 Compact[4].
| System | Relative CPU performance | Memory shared (MB) | Memory local (MB) | Data cache (KB) | Instruction cache (KB) | Max disk capacity (GB) |
|---|---|---|---|---|---|---|
| ND-5200 Compact | ||||||
| ND-5400 Compact | ||||||
| ND-5500 Compact | ||||||
| ND-5700 | 8 - 512 | 2 | 64 | 320 | 29 | |
| ND-5700 Compact | ||||||
| ND-5800 | 2 | 16 - 512 | 4 | 64 | 320 | 29 |
| ND-5900 model 2 | 4 | 16 - 512 | 4 | 2x64 | 2x320 | 29 |
| ND-5900 model 3 | 6 | 16 - 512 | 4 | 3x64 | 3x320 | 29 |
| ND-5900 model 4 | 8 | 16 - 512 | 4 | 4x64 | 4x320 | 29 |
The ND-5000 Compact series
The ND-5000 Compact series is equipped with:
- ND-110/CX I/O Processor (ND-110 in ND-5200 Compact system)
- Internal disks or a controller for external disks
- One Streamer, 125 MB (Option on systems with external disks)
- One floppy-disk drive (1.2 MB capacity)
- 4 to 6 MB memory
- SINTRAN and utilities
All ND-5000 Compact systems are available in two models: A model with internal disks and B model with external disk option. A models include from one to four internal disks of 125 MB capacity each (called models A1 to A4). ND-5200 Compact system includes an extra model with one 60 MB internal disk (called model A0). Model B versions are delivered with a controller for external disks and can be configured with external disks and magtape.
Remaining systems
- 2 ND-5800 and spare parts is part of the collection of Dansk Datahistorisk Forening
Reference
- ↑ Norsk Data Document ND–05.009.3 NORD-500 REFERENCE MANUAL
- ↑ ND-5000 Hardware Description ND-05.020.1
- ↑ ND-5000 Hardware Description ND-05.020.1
- ↑ PRODUCT NEWS November 1987
- Norsk Data Document ND–05.017.01 ND-5000 Hardware Maintenance
- NEWS March 1987, pg. 52-53, "The ND-5000 Series: Removing Hardware Limitations".
- Norsk Data Document ND–20.060.1 [[Documentation list#Unknown|]]
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