October 3, 2007 online meeting minutes

present: Sergey Boyarinov, Sergey Pozdnyakov, Nerses Gevorgyan, Tanest Chinwanawich, Elliott Wolin, Benjamin Raydo, Stepan Stepanyan

DVCS Trigger System

Ben presented preliminary [design of the system.

Projects

• PCAL (works, +5V fixed, signal distr board replaced, 1 sec delay introduced in 'go' to fix hunging; Stepan asked about

10times better ADC resolution - >2Gsample card ???)

• TI in PCI - may need it again, remind Ed

• Active collimator needed in DAQ - probably

• Wolfram (works, ROOT too slow and will be addressed during upcoming run preparations (select function, control worls bit by EB ???))

• Lecroy repairs, sy527 AC connectors replacement (will Chris)

• PrPMC880 replacement

• Frost preparations: all power turned on including DC FASTBUS crates, ethernet/serial cables ran for target platform;

Carl still working on ET modifications, tests to be started dayli, new version expected in about a week, we'll wait, do modifications and then run full CLAS DAQ test; new EPICS channels from target

TODO:

• sy1527: reboot button, reconnect after hardware reboot

• sy527 support (similar to sy1527 but in VME crate because of VME CAENAT board v288)

• v1190/v1290 extensive testing (CBLT, slot#, install mv6100 in the hall and switch to 2eSST)

• DVCS Trigger Development

• Hall B electronics inventarization

• Upcoming run preparations on requests (fix flip-related problem in online delay reporting correction procedure, ..)

• beam test with preshower during upcoming run - will talk next week Stepan

• probably Hall D test in Hall B - next summer