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Dk'tronics memory expansion

406 bytes added, 13:53, 1 October 2020
/* Mods */
=== 256KB RAM ===
This uses 4 banks (effectively 0-3 on 464 and 21-3 on 6128). It appears the 256KB RAM detects the 6128, possibly using /EXP but this is to be confirmed, so that it doesn't conflict with the internal 'extra 64KB' (i.e. c4-c7) RAM of the 6128.
The decoding looks like this:
s = selection (0-7)
On 6128 you get 256KB RAM + internal 64KB base RAM
=== 256KB Silicon Disk ===
... - [See manual for now]
 
== CPM ==
 
Dk'tronics Bank Switch software comes with NEWCPM.COM CP/M program which installs a 61K TPA CPM2.2 which uses the Dk'Tronics RAM.
See [[DkTronics_CPM]].
 
The manual also describes how to patch CPM+ (which is already compatible with Dk'Tronics RAM to run on 464/664).
== Reviews ==
* [[Media:Upgrade 64K-256K Dk'tronics - TAU 29 pg 04.jpg|Upgrade a 64K expansion to a 256K expansion]] - from the Australian Mag : TAU 29 pag 04.
* An article in [[Amstrad Action ]] ([[Amstrad_Action,_Issue_46,_Jul_1989|Issue 46, July 1989]], [[:File:AmstradAction046-16.jpg|page 16 ]] and [[:File:AmstradAction046-17.jpg|17]]) described how a Silicon Disk can be converted into a memory expansion.
== Manuals ==
2,104
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