Does your Casio have a MIDI out, or is it USB MIDI? If it's USB, perhaps they do not include a Mac USB driver and the device is not class-complient? If so, it's not a MIDI incompatibility, it's USB one.
If it's MIDI, perhaps you do not have a MIDI interface, which will be required as Mac's don't come built in with MIDI ports - if so, the Midiman should work fine, as long as it is advertised as being Mac-compatible.
Oct 6, 2007 8:41 AM
Casio Cdp 100 Midi Driver For Macbook Pro
Casio Cdp 100 Parts
The CDP-100 digital piano looks fun and offers all the important basic functions - the perfect choice for price-conscious music students and beginners. The COMPACT model will delight you with its weighted keys and scaled hammer action, its grand piano sound and its internal loudspeaker system. Product Highlights. 88 weighted keys (CPK hammer. : Compatible (Installation of special driver not required.): Compatible, with some limitations.: Not compatible.1 Both the IN and OUT devices may be displayed during MIDI device selection with the MIDI application software. Select the appropriate IN/OUT device names. Mistakenly selecting 'IN' for an OUT device or 'OUT' for an IN device when using SMF Converter will cause the 'The MIDI device.