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Altos Computer Systems

The ACS-8xxx were multi-user systems. They could support from 1 to 4 users, but you could also get them in versions for up to 9 users and a supervisor. In appearance, they were large and heavy rectangular desktop boxes with Z80 or 68000 CPUs (ACS-68000 series).

They used a large custom single-board computer the size of the case. The drive controller was a separate half-card mounted on top of the SBC. The early 8000s had separate cases for the 8" FD & HD. In later models the drives and cards were integrated into the same case.

The 8000 systems were labeled ACS-8000-x, where x indicates the size of the disk-drive and hard disk :

x=1 : 500 kb (SS/SD) FDD
x=2 : 1000 kb (DS/SD) FDD
x=3 : 1000 kb (SS/DD) FDD
x=4 : 2000 kb (DS/DD) FDD
x=10 : 10 Mb HD
x=12 : 20 Mb HD
x=14 : 40 Mb HD

The ACS-8000 had a 10, 20 or 40 MB Winchester hard-drive and could be upgraded to 80 MB. Hard-disk models also had disk-drives. CP/M, MP/M II or Oasis were the available operating systems.
The ACS-8000 MTU had a 17 MB magnetic streamer.

The ACS-8000 was quite similar to the Altos Serie 5 but was more powerful.

NAME  ACS-8000
MANUFACTURER  Altos Computer Systems
TYPE  Professional Computer
YEAR  1978
KEYBOARD  Terminal keyboard
SPEED  4 Mhz
RAM  From 32 kb to 208 kb
ROM  Unknown
TEXT MODES  Display features depend on the attached terminal
SIZE / WEIGHT  designed to fit a standard 19
I/O PORTS  several RS232 ports (depending on models), parallel
BUILT IN MEDIA  8'' disk-drives : from 512 kb to 2 Mb
10, 20 or 40 Mb Winchester hard-disk (upgradable to 80 Mb)
17 Mb magnetic streamer (ACS-8000 MTU only)
OS  CP/M, MP/M, MP/M II and Oasis

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