CDZ
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Yes, it has a 2x CD drive, which is used at 2x speed. Loading times aren't exactly cut by 2 when comparing to older models due to fixed delays caused by CPU data copy.
It is obvious that SNK anticipated the possibility of integrating the CD drive's electronics directly onto the motherboard. This apparently has never been done.
Board layout really looks like the NeoGeo Pocket.
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Main board using NEO-GRC2-F
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CD DSP
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See optical pickups
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Sanyo LC89513 CD host chip (able to do 4x speed by the way)
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CD drive
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Motor driver
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CD driver mcu
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Same weird voltage limiting power supply circuit
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Standard-branded Fujitsu CG24 series gate array !
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Configuration jumpers
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System ROM: TOP-SPD
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Unpopulated...
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...footprints...
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for CD drive chips.
