Difference: T2UKMinutes-2007-01-31 (1 vs. 2)

Progress reports

• Andrzej on ROB-ins: 5 out of 20 something cards are broken and have been sent back from CERN to Royal Holloway. Four of these have been diagnosed with the same seemingly-simple problem: The card does not respond to communication thru the PCI bus, but the FPGA, PPC, etc. work as probed from the serial-connector backdoor. This indicates a problem with only the pci communication chip. Two of the damaged cards were sent back to CamCraft to be fixed (others kepts for further studies at RHUL). They were x-rayed in order to identify any possible mechanical problems, but none were observed. Later they were sent back to RHUL, after being "fixed", but they came back worse, with nothing working at all. Finally, CamCraft was asked to remake two new cards, after communication with German colleagues, in particular Andreas.

A little history on the cards: The cards were initially tested at the production site. Later about 10% were tested at RHUL. Once they arrived at CERN, each got tested for about 15 minutes, but this problem seems to appear on the long-term. So for UK cards have not been used extensively. In the coming weeks more of the UK cards will be used and then more concrete steps can be decided on. Cards had been temperature-cycled.

Minutes of T2UK mtg at UCL (from Erkcan)

Minutes of last face-to-face meeting

No comments.

News

• Nikos has prepared some new paperwork on deliverables, schedule, etc., for the ATLAS UK oversight comittee.
• Fred: UK agreed to pay its full share of the cost to complete. (ATLAS calculation was about 1.2M CHF higher than what the UK had agreed to contribute.) The invoice has been sent from CERN last week.
• Welcome to the newcomers to T2UK - joining the Manchester group.

-- NikosKonstantinidis - 07 Mar 2007