Otten & Fecht 1 MB RAM-Disc: Difference between revisions
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(Data taken from the FutureOS manual). | (Data taken from the FutureOS manual). | ||
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Revision as of 17:36, 5 December 2013
Not much known.
Reportedly, the RAM is accessed in 128-byte sectors.
The RAM is accessed using I/O ports. It can not be banked in like common RAM expansions do. So it's a real RAM disc, not an RAM expansion. There was support for FutureOS for a while. That support was abandoned later due to the very high price of the RAM disc (more than 1000 DM) corresponding to a very small number of units sold.
I/O Ports
- F9FC - #F9FE Otten & Fecht 1 MB RAM-Disc (R/W)
- FBF0 - #FBFF Otten & Fecht 1 MB RAM-Disc (R/W)
(Data taken from the FutureOS manual).