Reply 20 of 22, by BloodyCactus
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wrote:wrote:none.
Then why do I keep reading on various threads that revision 00 is the pcb to go for? Or are people getting confused as were unaware that the "Old" MT-32 also came in 2 revisions? Was the rom version changed between 00 and 01 for the old MT-32?
I think most people dont realise there is "v0 old" and "v0 new", and they are just saying, get an "old" revision (one without headphones jack).
Any MT32 is better than no MT32.
The two pcb revisions of the "old" only take v1.xx of the ROM. The "new" pcb revision has a v2.xx ROM. You can't run a v2 ROM in an "old" board.
v1.07 is the last version for both revisions of the "old" pcb.
There is one other difference,
- ALL "old" v0 PCB have v2.0.0 Reverb ROM (16kb),
- SOME "old" v1 PCB have v2.0.0 Reverb ROM (16kb)
- SOME "old" v1 PCB have v3.0.0 Reverb ROM (32kb)
Now the question is, can you tell the difference by ear on the v2 vs v3 reverb?? 😀
There is also the "Blue Ridge" ROM for "old" pcb, which I dug into, its just a hack of I think, v1.06 or minor tweak of v1.07, but you need to do the battery backed ram hack to your PCB for these to be any good (they serve no purpose otherwise!). If you dont do the battery backed ram hack (which imo serves no purpose these days), just stick to v1.07 on "old" PCB.
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