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gm5x5x5_errata

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gm5x5x5_errata [2008/11/22 21:48]
fossi.bs
gm5x5x5_errata [2010/02/07 11:44] (current)
nils
Line 1: Line 1:
 This page lists the know errors on the gm5x5x5 PCBs. This page lists the know errors on the gm5x5x5 PCBs.
-==== Prototype Run ====+There are no known issues with the bulk order run (white pcbs), the following information is valid **only** for the prototype run (green pcbs). 
 +==== Bulk Order #1 (white PCBs, rev 1.0) ==== 
 + 
 +=== #1 Silkscreen error (reported by dioioib) === 
 + 
 +**Problem**:​ The silkscreen has the EEPROM the wrong way around - Pin 1 should be facing IC5. 
 + 
 +**Solution**:​ Stick the EEPROM in the other way around, with the "​notch"​ facing IC5. 
 + 
 +==== Prototype Run (green PCBs) ====
  
 === #1 MIDI IO pins  === === #1 MIDI IO pins  ===
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 **Solution**:​ Either (1) use the pin-headers if you use sockets that are not mounted on the pcb or (2) break the traces to pins 4 + 5 of the sockets and solder wires to them or (3) solder the midi sockets on the other side of the pcb.  **Solution**:​ Either (1) use the pin-headers if you use sockets that are not mounted on the pcb or (2) break the traces to pins 4 + 5 of the sockets and solder wires to them or (3) solder the midi sockets on the other side of the pcb. 
 +
 +=== #2 MISSING TRACK  ===
 +
 +**Problem**:​ A track between D2 and R3 is missing. ​
 +
 +{{:​err_2.png|}}
 +
 +**Solution**:​ Bridge the pins.
gm5x5x5_errata.1227390498.txt.gz · Last modified: 2008/11/22 21:48 by fossi.bs