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META TOPICPARENT |
name="DCC2Documentation" |
10 Prototype boards with red front panels were manufactured in early 2009. These boards are not identical to
the production boards because they have a smaller FPGA. The production front panels are marked "DCC2" and are black. |
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< < |
2131 |
P5 Spares |
8 May 2012: Removed from FED 720 for spurious reasons (red herring): eLog entry |
5/10/2012 |
OK |
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> > |
2131 |
P5 Spares |
8 May 2012: Removed from FED 720 for spurious reasons (red herring): eLog entry 8 May 2012: Installed back in as FED 721 since the power cycle of previous intervention fried DRAM on 721 eLog Entry |
5/10/2012 |
OK |
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2132 |
904 Hospital |
23 Jan 2012: Removed because we were not receiving any events over VME in local run. Possible software issue: http://cmsonline.cern.ch/cms-elog/750159 |
23 Jan 2012 |
Sick |
2133 |
904 Hospital |
Removed due to CRC errors during intervention on other DCC issues. Suspect spurious issue: http://cmsonline.cern.ch/cms-elog/637389 31 Jan 2012: Fails LRB memory test on LRB2, LRB3. Repaired, test ok 2012-03-06 |
31 Jan 2012 |
OK |
2134 |
BU |
Returned to BU because of alleged mis-matches |
5/26 |
Sick |
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2145 |
FED_703 |
"Stops sending events down SLINK and goes to OFW at 80 kHz" . Tested OK by PDL 4/1/11 |
11/16 |
OK |
2146 |
BU |
Tested. Pin9 of HTR14 RJ45 to U14 line open. Could be a PCB problem. |
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Sick |
2147 |
BU |
Tested. Two broken LEDs, Ethernet error(RJ 45), and CRC error. R25 cold solder,D25 is also missing. Errors fixed as of 6/3 |
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OK |
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< < |
2148 |
FED_721 |
Tested. |
5/26 |
OK |
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> > |
2148 |
904 Hospital |
8 May 2012: Failed DRAM post power cycle at P5: eLog Entry pseudo-random data not changing; test probably failed
Errors: LRB3 |
5/10/2012 |
BAD LRB |
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2149 |
BU |
Tested. U0 soldering problem(most likely because U10 looks OK) Multiple lines to U10 without connection |
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Sick |
2150 |
904 Hospital |
Developed memory problems on LRB2 (spigots 6,7,8) during the Dec 2011 shutdown: http://cmsonline.cern.ch/cms-elog/750642 . Repaired, test ok 2012-03-06 |
24 Jan 2012 |
OK |
2151 |
FED_712 |
Tested. |
6/1 OK |
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Changes: |
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> > | Update to reflect swap of 2148->2131 due to memory failure on 2148
-- PhilLawson - 10 Sep 2012 |
| Update to reflect unnecessary swap of 2131->2153
-- PhilLawson - 10 Sep 2012 |