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The [[CPC]] computer range can be devided divided in different classes, . This makes sense to tell in quick which is only kind of CPC and hardware-expansions are needed for a very specific personal opinioncertain application. This definitions are taken from the [[FutureOS]] handbook. Please keep this page in agreement with its origin to omit confusion.

'''Possible Defined memory and drive space classes are:'''

*Class 3 CPC: 128 KB RAM, 3,5" or 5drive,25" external 2. drive: 80 tracks, doublesided (DS)*Class 4 CPC: 576 320 KB RAM, 3,5" or 5drive,25" external 2. drive: 80 tracks, DS*Class 5 CPC: 576 KB RAM, Rom Box, 3,5" or 5drive,25" external 2. drive: 80 tracks, DS*Class 6 CPC: 576 KB RAM, 512KB Rom3" drive, IDE Interface2. drive (80 trks, DS), 20 MB hard-disc*Class 7 CPC: 576 -2048 KB RAM, 512KB Rom2-4 internal and 2-4 external drives, IDE Interface, Mouse, RTC, RS232hard-disc with at least 20 MB*Class 8 CPC: 576-4096KB 4096 KB RAM, 512KB Rom2-8 drives, Ethernethard-disc with at least 20 MB*Class 9 CPC: 576-4096 KB RAM, IDE Interface2-8 drives, Mouse, RTChard-disc with at least 128 MB

These classes donOnly the amount of space that can be used to read/write defines the CPC class. EPROM space (read only!) doesn't make much sense, but this influence the CPC class. Serial / network I/O is disregarded, because it works independent of memory and disc space. However a Wiki letter can be added to define communication device classes. '''Defined communication classes are:'''*Class A CPC: Communication with up to 19.200 Baud*Class B CPC: Communication with up to 38.400 Baud*Class C CPC: Communication with up to 76.800 Baud*Class D CPC: Communication with up to 100.000 Baud Example: A 6128 with two disc drives, 512 KB expansion RAM and when someone writes "Please an serial interface from Amstrad would be: Class 5A. This concept was developed by [[TFM]] of [[FutureSoft]]. Comments and updates are welcome. But please do not change" you should recognize, that there is something wrong with 'CPC classes' without previous discussion and agreement. Other pages of the articleCPC Wiki point to this definitions and rely on them being unchanged. [[Category:Amstrad Products]][[Category:CPC History]][[Category:Definitions|*]][[Category:FutureOS]][[Category:Hardware|*]][[Category:Programming]][[Category:Software]]