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H5C4 SCHEMATIC
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exxos
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H5C4 SCHEMATIC
UPDATES : (may not be complete)
Includes fixes from the last C1 board.
32Mhz OSC fix.
C1 AUDIO FIX - FLOPPY NOISE ISSUES
H5 C1 volume fix.
H5 C1 YM AUDIO FIX
H5 C1 3.3v bus fix
H4 & H5 series BGACK pullup update fix
Other stuff.
100's of minor routing changes.
Addition of 32Mhz and 16MHz pads near shifter to branch of clocks for boosters etc if needed.
Fixed (hopefully) DC power jack.
Addition of 3.5mm stereo headphone jack (configured for mono) audio output
MAD10 has a new jumper which can route MAD10 to a (possible) future Falcon style RAM card with 14MB ST-RAM option (with future FPGA chipset)
There could be other tweaks I have done and simply forgotten about..
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