Difference between revisions of "RAM BOX"
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(Schematic redrawn from the beaker defective PCB.) |
(→Technical specs.) |
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[[Image:ram box.JPG|right|thumb|250px|The box]] | [[Image:ram box.JPG|right|thumb|250px|The box]] | ||
| − | A | + | A 512KB RAM expansion made for CPC 6128. |
== Technical specs. == | == Technical specs. == | ||
| − | Partially compatible with [[dk'tronics]] memory expansions | + | Partially compatible with [[dk'tronics]] memory expansions, it don't handle C3 mode. |
| − | + | Note that A8 and A9 address lines are connected but not decoded. | |
| + | Those lines are only needed for up to 4MB RAM expansions. | ||
* See [[Standard Memory Expansions]]. | * See [[Standard Memory Expansions]]. | ||
Latest revision as of 03:37, 1 August 2014
A 512KB RAM expansion made for CPC 6128.
Technical specs.
Partially compatible with dk'tronics memory expansions, it don't handle C3 mode. Note that A8 and A9 address lines are connected but not decoded. Those lines are only needed for up to 4MB RAM expansions.
Pictures
Interface Top
Interface Bottom
PCB Top
PCB Bottom
Schematic
Drawn from beaker's PCB
