By Topic

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

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

16 Author(s)

The Level 3 Trigger/Data Acquisition system (L3DAQ) for the DZERO detector was redesigned from scratch for the Fermilab Tevatron's RunII. 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 he 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.

Published in:

Nuclear Science Symposium Conference Record, 2003 IEEE  (Volume:2 )

Date of Conference:

19-25 Oct. 2003