ECO
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engineering change order for project reality development board rev 0.1
3/9/95 kag silicon graphics, inc.
1) cut trace between U32-5 & GND
2) wire between U32-5 & U33-14 (V5)
3) cut trace between U27-80 & U26-B5
4) cut trace between R162-2 & U26-R2
5) wire between U27-80 & U33-9
6) wire between U33-8 & U26-B5
7) wire between U26-B5 & R162-2
8) wire between U26-R2 & U33-4
9) change part in R100 from 9960080 to MY_52 (5.1M ohm resistor, 0805)
engineering change order for project reality development board rev 0.2
4/20/95 kag silicon graphics, inc.
1) cut trace between U26-T8 & R155-2
2) cut trace between U26-T14 & R145-1
3) cut trace between U26-V15 & T53-1
4) cut trace connected to U27-54 (on Bottom of Board) (see drawing)
5) lift pin Y2-7
6) wire between U26-V5 & U26-U6
7) wire between U26-U3 & U26-T5
8) wire between U26-T4 & U26-T6
9) wire between U26-T8 & U26-U8
10) wire between U26-T14 & R145-1
11) wire between U26-U14 & T53-1
12) wire between U26-T15 & U26-T16
13) wire between U26-U15 & U26-V15
14) wire between U26-B16 & R155-2
15) wire between U27-54 (via) to T20-1
16) wire between Y2-7 (pin) & Y2-2(gnd)
17) move wires from U26-B5 to U26-C6
18) add 0 ohm 0805 resistor to R97 & R98
19) move R38 to R40 (75 ohm 0805 resistor)
20) change R28 & R31 from 40.2 1% 0805 to 33.2 1% 0805
engineering change order for project reality development board rev 0.3
5/17/95 kag silicon graphics, inc.
1) change R76, R77, R78, R79, R80 from 330 5% 0805 to 3.3K 5% 0805
1) change R71, R72, R73, R74, R75 from 1k 5% 0805 to 2.2K 5% 0805
1) change R9, R10, R11, R12, R13 from 3.3k 5% 0805 to 2.2K 5% 0805
2) change C17 from 3.3uF 7343 to 0.47uF ELC RAD
3) add 220K 5% between C17-1 and U5-24 (V3)
4) add 3.3K 5% between J2-33 and R71-1 (V3)