The following is a list of MidiBox Projects, and the crystals required to operate them.



^Module        ^Frequency of Crystal^Number of Pins^Type of device^
|Core|10MHz|2 pins|Crystal|
|SID Module|From Core|N/A|PWM pin|
|OPL3 Module|14.318 MHz|4 pins|Oscillator|
|IIc SpeakJet|20Mhz|2 pins|Crystal|
|POKEY -NTSC|1.79MHz|4 pins|Oscillator|
|POKEY -PAL|1.77MHz|4 pins|Oscillator|