Standard Modules

The standard modules (#22/#23,#32/#33,#42/#45) are a further development of the Basic Modules with some extra functionality. These modules together with #10c or #10d CF drive provide a full CP/M system using only 4 modules.

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CPU (Z80) modules #22 and #23. The main difference, #22 has a 40 bus connector, while #23 has a 80 pin bus connector. Can run Z80 up to 20 Mhz.

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Serial I/O modules (MC68B50P). The difference between #32 and #33 is that #33 has address selection. A 7.3Mhz crystal clock is recommended, gives a communication speed of 115200 baud.

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Memory modules #42 and #45. #42 contains two 32kb RAM chips, while #45 has one 128kb RAM chip, making up the 64kb RAM.

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#10c Compact Flash Drive Module (edge).

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#10d Compact Flash Drive Module (integrated).