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A > ACORN COMPUTER  > Archimedes A5000   

Acorn Computer
Archimedes A5000

The Acorn A5000 was an all new model of the Archimedes family replacing the A540. It had 4 slots like previous models but a larger wider case making it look like a workstation computer.

It was built on the new fast ARM3 processor as used in the A4 laptop. VGA output and new extra screen modes were introduced as well using cheap standardised IDE hard disks. The keyboard was the quality 'Brisbane' model as used on the previous high end Acorns. (Or could 'Brisbane' be the codename for the A5000, as I discovered it inside the keyboard PCB when I did some repairs on mine?)

Many A5000s were fitted with SCSI controller cards and used with caddy-type external CD ROM drives for multimedia applications.

Early models had just 2MB of RAM with a slot to allow a 4MB RAM card to be mounted on top. Later A5000s were slightly faster, had 4MB on the motherboard as standard and more generously sized hard disks.

There are rumours that some of the Liteon built Acorn AKF18 SVGA multisync monitors normally supplied with the A4000/A5000 were recalled as they could overheat and catch fire! :(

Information supplied by Jonathan Hayward

NAME  Archimedes A5000
MANUFACTURER  Acorn Computer
TYPE  Professional Computer
ORIGIN  United Kingdom
YEAR  1991
KEYBOARD  Full-stroke 102 keys PC-style
CPU  ARM 3 32 bit RISC
SPEED  25 or 33 Mhz.
CO-PROCESSOR  MEMC (memory), VIDC (Video and Sound), IOC (I/O)
RAM  2 to 4 MB
TEXT MODES  80 columns x 25 rows up to 132 x 32
GRAPHIC MODES  VGA video output. Several graphic modes. Among them 640 x 256 or 512 pixels
COLORS  4096
SOUND  8 voices synthesizer
SIZE / WEIGHT  43 (W) x 33.5 (D) x 9.8 (H) cm
I/O PORTS  Centronics, RS423, VGA, Econet, 4 expansion slots
BUILT IN MEDIA  3.5'' FDD (800 KB, 1.44 MB and 1.6 MB formatted capacities), HDD from 20 MB
OS  RISC OS 3 then 3.11 (in ROM)
POWER SUPPLY  Built-in power supply unit
PRICE  From £1,000 to £1,800

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