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Encore Computer  32/27xx
 

  • Single Slot 32-bit CPU

  • Single Slot I/O Processor

  • Single Slot integrated Memory Modules

 
General
 

This distributed design enables the user to:

• Virtually eliminate contention among nodes for improved 
    application response time
• Provide optimal power to each functional area of an
   application
• Independently develop each node’s function
• Incrementally enhance the performance of each node
• Easily expand a system with the addition of new nodes for new application functions

 

 

MULTISel nodes contain:

Each of these components is implemented on a single circuit board. MULTISel nodes also can contain an Internal Processing Unit (IPU) a secondary computational processor — with its own Floating-point Coprocessor.

CMOS CPU

 



 Multi-Function Processor

Several SelBUS and Multipurpose Bus boards are consolidated on the Multi-Function Processor (MFP) board. This board encompasses the following functions:

• Console port Seven asynchronous ports
• Line printer port
• Real-time clock and interval timer
• 12 external interrupts
• Two Small Computer Systems Interface (SCSI) buses — one dedicated to a fixed disk 
     drive the other for a magnetic tape drive and future devices

The MFP supports these functions without an expansion chassis. As an option, a second device interface card supports two 5 1/4inch floppy disk drives and is capable of generating an MP Bus

Memory

Dual-Port Integrated Memory Modules (DPIMMs) provide 2MB or 8MB of memory, DPIMMs feature two-way, on-board interleaving, which alleviates memory busy problems and improves memory access times in various applications. The second port of the DPIMM supports Reflective Memory DPIMMs can provide 16MB of memory and use only two Slots

Product Specifications

Physical

Dimensions

Height

Width

Depth

Weight

Minimum (single node)

Maximum (four nodes)

Electrical

Voltage
Current
Phases
Frequency
AC Plug

AC Receptacle

 

Power Dissipation

Minimum (single node)
Maximum (four nodes)

Environmental

Temperature (ambient air)
Operating
Storage
Transport
Humidity (non-condensing)

Operating

Storage/transport

Heat Dissipation

Minimum (single node)

Maximum (tour nodes)

Noise

Performance

Processor (per node)

Word Length

Data Sizes

Logical Address Space

Physical Address Space

General Purpose Registers

Base Registers

Instruction Repertoire

Floating-point Arithmetic

Integrity Features

 

Interrupts

Priority levels

Real-time clock

 

Interval timer

Memory

Technology
Word Size

Cycle Time

Capacity

Interleaving

Overlapping

Cache

Size

 

Organization

Replacement algorithm

Reflective Memory

Throughput

Transfer cycle period

(selectable)

 

 

55 in. (1397 cm)

22 in. (559 cm)

38 in. (965 cm)

 

650 lbs. (294 8 kg)

1,250 lbs (567.0 kg)

Domestic

208 VAC +/- 10%
50Amps
2
60Hz
not supplied/none specified

none (hardwired-use AWG #8 85C wire mm)

 

 

1000 Watts
4,000 Watts

 

50F to 104F (100C to 400C)
-8F to 117F (-22C to 47C)
-40F to 144F (-40C to 62C)

 

20% to 80%

10% to 90/o

 

5,115 BTUs

20,450 BTU5

62 DBA (approx)

 

 

32 bits

1.8, 16, 32, 64bits

16MB

16MB

8

8

214 instructions

Standard firmware and hardware unit

Memory protect, power fail sfae, memory ECC, arithmetic exception.

privilege violation, non-present memory

112 maximum

60/120 Hz or 501100 Hz (line frequency dependent)

32-bit, 600 ns resolution, 300 ns resolution

with optional RTOM

 

Two 1MB or 4MB DRAM SIP banks, four-way sliced

32 data bits plus 7 ECC bits

150 ns effective

16MB

Standard two-way, on-board: optional two- or

four-way external

Standard

16KB instruction cache

16KB operand cache

Two-way set associative

Least Recently Used (LRU)

 

26.67MB/second

150 ns, 300ns

 

 

 

 

 

 

 

 

International

240 VAC +/- 10%
50 Amps

50Hz
not supplied!

none (hardwired-use AWG#885C wire mm,)


1,000 Watts
4,000 Watts