PCB board rev 1.2: fix LED positions
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## v1.2
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- moved the LEDs a little outward to better fit the new panels
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## v1.1
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- fixed R2 silkscreen
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## v1.0
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- Initial public release
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@ -55,13 +55,16 @@ Here us a digikey (without the case):
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### IDC cable
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You need a cable to connect both boards
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Any straight IDC-20 cable should work (pin 1 to pin 1, etc). Macintosh floppy cables are compatible. We used a Quadra 800 cable for prototyping (Apple P/N 590-0862-B).
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Any straight IDC-20 cable should work (pin 1 to pin 1, etc). Macintosh floppy cables are compatible. We used a few Apple cables for prototyping:
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- Quadra 800 (Apple P/N 590-0862-B)
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- PowerMac 7200-7600 (Apple P/N 590-4529-A)
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If you are looking for a new one, a compatible assembly is made buy Advantech under the part number PCL-10120-1E.
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## PCBs
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the PCBs are simple 2 layers boards. The gerbers are avaible in the release section.
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Check for the following files:
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* TTT_11.zip: main board revision 1.1
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* TTT_12.zip: main board revision 1.2
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* DB19_IDC20.zip: adapter board revision 1.0
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You should be use any mainstream PCB manufacturer for theses. Nothing special about them. PCB thickness should FR-4 with a 1.6mm thickness
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@ -5,8 +5,8 @@ $Descr A4 11693 8268
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encoding utf-8
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Sheet 1 3
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Title "TashTwenty Tiny"
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Date "2022-05-21"
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Rev "1.1"
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Date "2022-06-06"
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Rev "1.2"
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Comp "Lostwave"
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Comment1 "https://68kmla.org"
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Comment2 "https://68kmla.org/bb/index.php?threads/tashtwenty-single-chip-dcd-hard-disk-20-interface.39357/"
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@ -441,4 +441,6 @@ Wire Wire Line
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9850 6000 9850 5600
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Wire Wire Line
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9850 5600 9750 5600
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Text Notes 4300 6350 0 50 ~ 0
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PIC1704 is now recommended.\nPIC1825 still supported.
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$EndSCHEMATC
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