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A > ALTOS COMPUTER SYSTEMS > ACS-8000     


Altos Computer Systems
ACS-8000

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.



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My dad had one for his business but it had two 8" floppies and no HHD. I suspect it was much cheaper to have a second floppy rather than a HHD. I was about 12 or 13 at the time.

I learned BASIC and COBOL on it and ran CP/M as the operating system.

I think the reason he bought it was because Peachtree Accounting ran on it (not 100$ sure about this, but over the years, he stuck with Peachtree and I think it was because of backwards ''compatibility''. Eventually the data was transferred from the Altos to a Windows machine of some sort, but remained PeachTree)

          
Wednesday 31st July 2013
Phil Glau (USA)

My dad had one for his business but it had two 8" floppies and no HHD. I suspect it was much cheaper to have a second floppy rather than a HHD. I was about 12 or 13 at the time.

I learned BASIC and COBOL on it and ran CP/M as the operating system.

I think the reason he bought it was because Peachtree Accounting ran on it (not 100$ sure about this, but over the years, he stuck with Peachtree and I think it was because of backwards ''compatibility''. Eventually the data was transferred from the Altos to a Windows machine of some sort, but remained PeachTree)

          
Wednesday 31st July 2013
Phil Glau (USA)

The TCU-8 is not a computer but an 8 channel RS-422 asynchronous terminal multiplexor. Altos, Wyse or other RS-232 serial terminals were plugged into the connectors labeled 0-7. They could be daisy chained together. The address of the unit in the chain was set with the DIP switches.

          
Monday 11th April 2011
R Ryan (USA)

 

NAME  ACS-8000
MANUFACTURER  Altos Computer Systems
TYPE  Professional Computer
ORIGIN  U.S.A.
YEAR  1978
KEYBOARD  Terminal keyboard
CPU  Z80A
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
POWER SUPPLY  Built-in PSU





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