Posted By
IstvanV
on 2008-10-18
16:23:14
|  Re: GEOS from EPROM? possible via emu and in real Plus/4
> 1581 was as slow as 1541 with a C64, and Plus4Emu does not support is (as I remember)
plus4emu actually does support the 1581, although emulating it uses somewhat more CPU than either the 1541 or the 1551. The reason why you cannot explicitly select "1581" in the drive configuration is that 1581 emulation is automatically enabled if you try to attach something that looks like a D81 image  It is theoretically also possible to use real 1581 disks in the PC floppy drive (assuming there is any, and it is compatible enough that it can read the "raw" data on the disk), but this probably does not work on Windows.
> I saw some special hardwares on this page with "Csory-256KB-Memoryexpansion" or "- 256kB RAM after Hannes/Solder/CSORY +- 384kB sRAM extension. Above at the expansion haven is the battery
As far as I know, the most common/best supported type of memory expansion is "Hannes 256K"; this presumably also has a 1024K and a 4096K version.
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