Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2003-05-28
Physics
High Energy Physics
High Energy Physics - Experiment
Talk from the 2003 Computing in High Energy and Nuclear Physics (CHEP03), La Jolla, Ca, USA, March 2003, 6 pages, LaTex, 7 eps
Scientific paper
Data logging at an upgraded KEKB accelerator or the J-PARC facility, currently under commission, requires a high density data acquisition platform with integrated data reduction CPUs. To follow market trends, we have developed a DAQ platform based on the PCI bus, a choice which permits a fast DAQ and a long expected lifetime of the system. The platform is a 9U-VME motherboard consisting of four slots for signal digitization modules, readout FIFOs for data buffering, and three PMC slots, on one of which resides a data reduction CPU. We have performed long term and thermal stability tests. The readout speed on the platform has been measured up to 125 MB/s in DMA mode.
Fujii Hirofumi
Higuchi Takeo
Igarashi Yuji
Ikeno Masahiro
Inoue E.
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