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In $TOOLS/FEED/firmware/prc
1. rm current
2. mv fiber current
In $TOOLS/FEED/firmware/res_ctl
1. rm current
2. mv new current
In $PACKAGE_TOP/lcls2_llrf/
1. rm srf
2. mv new srf
In $TOOLS/script
1. cvs update rfRackTestLcls2.sh and rfRackTestCommon.sh
Update /etc/hosts. As root, logged into CPU, execute /usr/local/lcls/epics/iocCommon/cpu-l2b-rf15/modify_hosts_fiber.sh
EPICS IOC port number update. Two options. Option a. is recommended because it is the permanent plan and does not require any manual adjustment later. But if you are wary to reboot, you can use b. for the first CM or two.
1. Reboot EPICS IOC. (Will update port numbers and so communication will fail until rack checkout run.)
2. caput network name, specifying port number for the chassis being upgraded. Example for CM02:
  1. caput ACCL:L1B:0200:RFS1A:CTRL_IPADDR rfs1a:803
  2. caput ACCL:L1B:0200:RFS2A:CTRL_IPADDR rfs1a:803
  3. caput ACCL:L1B:0200:PRCA:CTRL_IPADDR prca:803
  4. If you do option b., later, when you eventually reboot EPICS, you will want to re-caput the IPADDR values, with the 803 removed.
Run rack checkout

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