C256-FMX

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The C256 FMX (Foenix Music eXpansion) includes all of the standard features, plus the following:

  • 4MB System RAM
  • 4MB Video RAM
  • MIDI in/out
  • YM2151 Sound
  • YM6212 Sound
  • 2x 9-wire RS232 ports
  • EPP parallel port
  • 1.44 MB floppy drive
  • Two additional joystick ports

The FMX further supports either the ESID (2x SID + ethernet) or EVID (2nd video + ethernet) expansion cards.

Documents

Hardware Setup

Ports and Connectors

FMX Errata

Devices

65816 CPU
bq4802ly RTC
LAN9221 10/100 Ethernet
Unity IDE BASE = $afe830 DATA = $afe838 (normally the same as BASE, but not here)
LPC47M10x SuperIO (add break-outs)
SN76489 PSG Audio
YM2151 Yamaha OPM1 - FM Operator Type I (FMX)
YM2612 Yamaha OPN2 - FM Operator Type II (FMX)
YMF262 Yamaha OPL3 - FM Operator Type III
WM8776 24-bit 192kHz Stereo CODEC