RM Nimbus Logo W E L C O M E
Version 3.00C

The Nimbus PC was redesigned at the sametime as the 286 and 386 units were introduced.
"Packed into a neat, low profile no bigger than a video recorder."

The redesign removed the short lived ROM Cartridge slots, drive power was via mainboard connectors, not direct from the PSU. Memory IC's were changed to mb81c4256-10p with 1mb onboard as standard.

Gone was the Nimbus specific 84 key keyboard to be replaced with an industry standard 102 key PS/2 keyboard.

Nimbus Slimline inputs

During the transition period RM included a letter in with the order to advise customers of the change.
RM Nimbus Slimline transistion letter

The chassis was a complex compartmentalised plastic arrangement:

Other views of the chassis:

nimbus-slimline-chassis-1 pc-186-slimline-chassis-front pc-186-slimline-chassis-rear

The PSU was redesigned and swapped its metal enclosue on the old model to plastic:

The redesigned mainboard:

and from some other angles:
rm-nimbus-pc-186-slimline-mainboard-1 rm-nimbus-pc-186-slimline-mainboard-2 rm-nimbus-pc-186-slimline-mainboard-3 rm-nimbus-pc-186-slimline-mainboard-4 rm-nimbus-pc-186-slimline-mainboard

Here is the completed case:
rm-nimbus-slimline-case-front rm-nimbus-slimline-case-inside rm-nimbus-slimline-case-legends rm-nimbus-slimline-case-outside rm-nimbus-slimline-case-rear rm-nimbus-slimline-case-side rm-nimbus-slimline-case

Information on the Nimbus PC-186
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