The Linux-based single board computer for front end crates in the DZERO Data Acquisition system

R. Angstadt; G. Brooijmans; D. Chapin; M. Clements; D. Cutts; S. Fuess; A. Haas; R. Hauser; M. Johnson; A. Kulyavtsev; M. Mulders; P. Padley; D. Petravick; R. Rechenmacher; S. Snyder; G. Watts

doi:10.1109/nssmic.2003.1351933

The Linux-based single board computer for front end crates in the DZERO Data Acquisition system

R. Angstadt, G. Brooijmans, D. Chapin, M. Clements, D. Cutts, S. Fuess, A. Haas, R. Hauser, M. Johnson, A. Kulyavtsev, M. Mulders, P. Padley, D. Petravick, R. Rechenmacher, S. Snyder, G. Watts

Research output: Contribution to journal › Conference article › peer-review

Abstract

The Level 3 Trigger/Data Acquisition system (L3DAQ) for the DZERO detector was redesigned from scratch for the Fermilab Tevatron's Runll. The L3DAQ moves data at a rate of 250 MB/sec from 63 readout crates to one of 82 Level 3 Trigger farm nodes over Ethernet. The readout crates are VME based, and each consists of a number of detector specific digitizer cards and a controller. The readout crates also contain a single L3DAQ Single Board Computer (SBC). Crate data size per event ranges from several kilobytes up to 24 kilobytes for the largest; and the data must be collected from each of the VME cards at an event readout rate of 1 kHz. The SBC, a VMIC 7750, is an off-the-shelf component and runs Linux with several common and custom patches. This paper will describe the custom driver we've written to control the VME readout, modifications to the Linux kernel, and the user level readout code.

Original language	English (US)
Article number	N36-70
Pages (from-to)	1303-1306
Number of pages	4
Journal	IEEE Nuclear Science Symposium Conference Record
Volume	2
DOIs	https://doi.org/10.1109/nssmic.2003.1351933
State	Published - 2003
Externally published	Yes
Event	2003 IEEE Nuclear Science Symposium Conference Record - Nuclear Science Symposium, Medical Imaging Conference - Portland, OR, United States Duration: Oct 19 2003 → Oct 25 2003

Keywords

D0
DAQ
DZERO
Ethernet
Trigger
VME

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

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10.1109/nssmic.2003.1351933

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Angstadt, R., Brooijmans, G., Chapin, D., Clements, M., Cutts, D., Fuess, S., Haas, A., Hauser, R., Johnson, M., Kulyavtsev, A., Mulders, M., Padley, P., Petravick, D., Rechenmacher, R., Snyder, S., & Watts, G. (2003). The Linux-based single board computer for front end crates in the DZERO Data Acquisition system. IEEE Nuclear Science Symposium Conference Record, 2, 1303-1306. Article N36-70. https://doi.org/10.1109/nssmic.2003.1351933

Angstadt, R, Brooijmans, G, Chapin, D, Clements, M, Cutts, D, Fuess, S, Haas, A, Hauser, R, Johnson, M, Kulyavtsev, A, Mulders, M, Padley, P, Petravick, D, Rechenmacher, R, Snyder, S & Watts, G 2003, 'The Linux-based single board computer for front end crates in the DZERO Data Acquisition system', IEEE Nuclear Science Symposium Conference Record, vol. 2, N36-70, pp. 1303-1306. https://doi.org/10.1109/nssmic.2003.1351933

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AU - Cutts, D.

AU - Fuess, S.

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AU - Snyder, S.

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The Linux-based single board computer for front end crates in the DZERO Data Acquisition system

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