Welcome to the Multi Branch System (MBS)

The MBS is the standard Data Acquisition System at GSI and at many foreign laboratories

<< NEW RELEASE MBS 7.1 (January 2026) >>

This new production release contains all improvement since 2023.

Generic user readout software with configuration system for Multi Branch System (MBS) with gosip/PCIe

Download https://git.gsi.de/eel-software/murx

Generic user readout software with configuration system for Multi Branch System (MBS) with VMEbus

Download https://git.gsi.de/eel-software/smurv

Select any of the installed versions by command "mbslogin version"

activate at gsi with "prod", "mbslogin prod" or "mbslogin v71"

activate at gsi with "deve", "mbslogin deve" or "mbslogin v72"

activate at gsi with "old", "mbslogin old" or "mbslogin v70"

Entirely written in C
Scalable from single crate to hierarchical multi-processor topolgies
Based on Linux (Debian, Sugarhat, IPV) (v.2.6) from MBS version V6.1 onwards
Based on Real-time system LynxOS (v2.5, 3.1, 4.0)
Supports VME, VXI, FASTBUS, CAMAC, PCI Express standards
GSI Trigger Module required (TRIVA, TRIXOR)
Supports PPC VME processor boards (RIO2, RIO3, RIO4)
Supports Freescale PowerPC P2020 (IPV 1102, IFC 1210)
Supports M68k processor boards (VME: E7, CAMAC: CVC)
Supports standard and industrial PCs (x86, x86_64)
Memory mapped data flow via VME and VSB
Message oriented data flow via TCP/IP sockets (up to 10Gbit)
Data logging to local disks, NFS disks, tape drives (DLT8000) and Remote File Input Output (RFIO) system
Direct data logging to Automatic Tape Library at GSI (RFIO or LTSM)
Full control with Command Interface from one terminal
Optionally full control via DABC HTTP server and Web GUI
Online monitoring output channels to GO4, ROOT, DABC
Event library for custom analysis systems for MBS listmode data files and all MBS monitoring output channels
Utilizes full performance of all hardware devices