/* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=boards:ecb:backplane-505-6508:partslist Snapshot date: 2025-06-14 Generator : wayback-archiver */ ====== Parts List ====== eeschema (2011-07-12 BZR 3047)-stable >> Creation date: Wed 15 Apr 2014 * = with 505-6508 chassis; 100K grounding resistor used ** = use with external +5v switching power supply @@ = install for Kontron compatible Reset operation: DIN 96-pin N8VEM legacy Kontron compatible C-31 output from CPU input to CPU board peripheral reset C-26 not used output from CPU board peripheral reset If you are not sure, use N8VEM legacy; i.e., don't stuff the switch or 2-pin connector. #Cmp ( order = Reference ) | BAT1 SN2032 socket optional 3v Lithium battery socket | C1-22 0.1 uF monolithic or ceramic | C23 22uF electrolytic (22uF up to 100uF) | C26 0.1uF to 0.47uF monolithic or ceramic | D1 LED Green (VCC) | D2 LED Red (+5v) | D6 LED Yellow (+12v) | JP1 CONN_3 backplane battery power source selection ** | P2 POWER Molex 4-pin IBM peripheral connector | P50 CONN_2 external battery connector @@ | P81 RESET external Reset connector (Kontron) | R1 470 ohm 1/4 W | R2 330 ohm 1/4 W | R3 1000 ohm 1/4 W -- up to 4.7K, if yellow is too bright for you * | R4 100K use with Siemens 505-6508 chassis * | SW1 POWER use #18 copper wire short circuit if Siemens chassis to be used @@ | SW2 SW_PUSH Kontron reset only | U0-11 C96ABC 96-pin female DIN 41612 connector #End Cmp The LED colors are suggested: Yellow corresponds to the +12v yellow wire on the IBM power connector, Red to the +5 wire, and Green for GO: "Vcc Power On" the backplane connectors. #End List