Computer history: computer systems at TNO-FEL – timeline and specifications

Timeline 0f TNO-FEL’s main computer systems

Overview of the most important computer systems that were in use at TNO location Waalsdorp 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 (plus 4 parity 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 CPUs
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)
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
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
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

Computation mainframe
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

Computation mainframe
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

System aside the minisuper computer
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

First minisuper computer
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
8/90 – 7/95 VAX 6410 64 MB 2* 1.2 GB 36 MHz/
28 ns cycle

1.50

7.0

Administrative VAX
11/89 – 1990 CONVEX C220 256 MB 4* 1 GB 42 MHz
(24 nsec)

87.00

48

2 CPUs, 50 Mflops piek
disk striping
11/90 – 11/94 CONVEX C230 256 MB 6* 1 GB 42 MHz
(24 nsec)

128.00

72

3 CPUs, 50 Mflops peak
4 disk controllers; striping
7/90 – CDC 4380 64 MB 10* 1 GB 25 MHz

4.00

20

 
2/95- SUN 1000 132 MB 20* 1.05 GB 50 MHz

53.2

135.5

(MFLOPs and MIPs/CPU)

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