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 :
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.
Altos Computer Systems
From 32 kb to 208 kb
Display features depend on the attached terminal
SIZE / WEIGHT
designed to fit a standard 19
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)