VAX V irtual A ddress e X tension.
VAX : OpenVMS, Ultrix, VAXeln BSD UNIX.Linux, NetBSD, OpenBSD VAX .
1970- DEC - PDP-11, (16 ) . 1973 wide-word machine. : PDP-10 36 ( Unicorn) PDP-11, 32 ( Star).
VAX 1 1975 , , VAX-A. VAX Blue Book, 1975 Star . Unicorn.
VAX 25 1977 . VAX-11/780 Star KA780 (29 ) 4 RAM (ECC RAM). PDP-11. . , , gate array, Star VAX-11/750 Comet ( Intel 8085).
VAX:
VAX-11/780 (Star)
VAX-11/782 ( /780)
VAX-11/785 ( /780)
VAX-11/750 (Comet, , gate array)
VAX-11/730 (Nebula, , bit slice )
VAX-11/725 (LCN, / Nebula)
VAX 8600 (Venus)
VAX 8650 (Morningstar, 8600)
VAX 8500 (Flounder, , - 8800)
VAX 8530 (, 8800)
VAX 8550 (Skipjack, 8800 , )
VAX 8700 ( Nautilus, 8800)
VAX 8800 (Nautilus, Macrocell)
VAX 9X00 (Aquarius, VAX 9000 ; )
VAX 9000 (Aridus, Aquarius )
VAX 8X00 (Gemini, , Scorpio; )
VAX:
MicroVAX/VAXstation-I (Seahorse)
MicroVAX-II/VAXstation-II (Mayflower)
MicroVAX-3100/VAXstation-3100
VAX 8200/8300 (- - Scorpio)
VAX 8250/8350 ( Scorpio)
VAX 62X0 (CVAX)
VAX 63X0 (Calypso)
VAX 64X0 (Rigel)
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VAX 65X0 (NVAX)
VAX 7XXX
VAX XXXX (BVAX, High-end VAX; )
VAX:
t | μcode | pdp | ||||||
11/780 Star | TTL | 200 ns | 6k x 99 | 8k | B+U/M | 100 % | ||
11/750 Comet | TTL | 320 ns | 6k x 80 | 4k | B+U/M | 60 % | ||
11/730 Nebula | TTL | 290 ns | 16k x 24 | n | B+U | 25 % | ||
11/782 | 11/780 , | |||||||
11/785 | TTL | 133 ns | ? | 32k | B+U/M | 150 % | ||
8600 Venus | ECL | 80 ns | 8k x 39 | 16 k | B+U/M | x4 | ||
8650 Morningstar | NMOS | 55 ns | ? | ? | V | x6 | ||
NMOS | 200 ns | 16 x 39 | 8 k | V | 100 % | |||
8200 | ||||||||
ECL | 45 ns | 16k x 144 | ? | V | x6 | |||
8800 Nautilus | 8700 | |||||||
? | ? | ? | ? | ? | x3 | |||
? | 160 ns | ? | ? | V | 120 % | |||
CMOS | 80 ns | ? | 256 k | X/V | x2,8 | |||
CMOS | 60 ns | ? | ? | X/V | x4 | |||
6400/400 | CMOS | 28 ns (+v) | 1,7k x 45 | 2k + 128k | ? | x7 | ||
9000 Aridus | ECL | 16 ns (+v) | ? | 128k | X | x30-40 | ||
4000/300 | CMOS | ? | ? | 2k + 128k | ? | x8 |
:
: U Unibus, M MASSBUS, V VAXBI, X XMI
Tcycle +v -.
μcode , , × , .
pdp PDP-11.
] VAX
CVAX, MicroVAX 3000 6200, х [1]. CVAX when you care enough to steal the very best (CVAX , ), Hallmark Cards: When You Care Enough to Send the Very Best ( , ). , .