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Time line TNO-FELs' main computer systems

Overview of the most important computer systems that were in use
at TNO-FEL up to 1994

Period

System

Memory

Disks

Mhz
(cycle time)

MFLOPs
(*) (**)

MIPs

Remarks

< 1964

Madas

-

-

-

-

-

Matrix inversion 24*24: 5 man hours

1964 - 1970

Elliot/
NCR 803B

8 KW * 39 bits
(39 KB)

 

(576 µsec)

?

?

 

1971 - 1977

Ferranti
FM1600B

16K (24 bits)
(later 32K)

none

(1.33 µsec)

?

?

(manufacturer description)

1970 - 4/74

CDC 3200

32 KW * 24 bits
(96 KB)

 

800 kHz
(1.25 µsec)

?

?

 

5/74 - 4/77

4/77 - 8/78

CDC 6400

64 KW * 60 bits
(=480 KB)
96 KW * 60 bits

2*100 MB

10 MHz

0.12

0.7



Memory expansion

8/78 - 9/ 83

CYBER 74

131 KW * 60 bits
(=960 KB)

5 * 414 MB
1981: 7 stuks

10 MHz
(100 nsec)

0.48

2.5

parallel CPU's
1* 566/800/1600 bpi tape unit
1* 1600/6250 bpi tape unit
1* 7 track tape unit

8/79 - 2/88

PDP 11/60

192 KW * 16 bits
(=384 MB)

4* 5 MB

 

0.04

0.3

Mips and Mflops (estimated)

 

VAX 11/750

8 MB (32 bits)
800 ns write
640 ns read

2* 456 MB
1* 121 MB

320 ns microcontrol store time

0.06

0.7

Graphics VAX (VG)
Photo of 11/750 and original DEC announcement

84 - 7/89

VAX 11/750

6 MB (32 bits)
800 ns write
640 ns read

1* 121 MB
1* 456 MB

320 ns

0.12

0.7

General purpose VAX (VC) with FPA
Photo of 11/750

85 - 6/87

VAX 11/750

8 MB (32 bits)
800 ns write
640 ns read

1* 456 MB

320 ns

0.06

0.7

VAX for FEL's administration (VA) with FPA
Photo of 11/750

9/83 - 9/86

CYBER 835

512 KW * 64 bits
(= 4 MB)

3* 1.2 GB (6 bit)
1* 237 MB (6 bit)

17 MHz
(56 nsec)

0.47

2.5

(manufacturer description)

6/87 - 8/90

VAX 8350

28 MB

1* 640 MB
2* 456 MB
1* 121 MB

 

0.18

1.9

VAX for FEL administration (VA)

9/86 - 3/90

CYBER 840

32 MB (64 bits) 384 ns

4* 1.2 GB (6 bit)
1* 2.4 GB (8 bit)

 

0.99

3.5

(840A specifications)

7/88- 12/92

6/90 - 12/90

CYBER
930-11

930-31

32 MB (64 bits)
400 ns


2* 414 MB
4* 414 MB

 


0.37
0.58


1.7
3.3

(CDC 930 specifications)

2/89 - 5/89

ETA10-P

12 MW * 64 bits
(96 MB)

4* Hitachi 1.0 GB disks

42 MHz
(24 nsec)

146.00

44.8

(ETA10 specifications)

2/89 - 11/93

VAX 3500

16 MB

300 MB

30 MHz

0.40

2.9

 

7/89 - 8/90 xx
8/90 -

VAX 6310
VAX 6410

32 MB
64 MB

 

60 ns
36 MHz/
28 ns cycle

0.54
1.50

3.8
7.0

General purpose VAX
6310 photo and specifications

8/90 - 7/95

VAX 6410

64 MB

2* 1.2 GB

36 MHz/
28 ns cycle

1.50

7.0

Administratieve VAX

11/89 - 1990

CONVEX C220

256 MB

4* 1 GB

42 MHz
(24 nsec)

87.00

48

2 CPU's, 50 Mflops piek
disk striping

11/90 - 11/94

CONVEX C230

256 MB

6* 1 GB

42 MHz
(24 nsec)

128.00

72

3 CPU's, 50 Mflops peak
4 disk controllers; striping

7/90 -

CDC 4380

64 MB

10* 1 GB

25 MHz

4.00

20

(CDC4380 specifications)

2/95-

SUN 1000

132 MB

20* 1.05 GB

50 MHz

53.2

135.5

(MFLOPs and MIP's/CPU)

(*) To compare: a 60 MHz Intel Pentium has a MFlops rating of 5.4 MFlops.
(**) click for more information on CPU performances.



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