Method 1. Testing Mcms And Pass Through Modules For A Short Circuit - IBM pSeries 670 Service Manual

Method 1. Testing MCMs and Pass Through Modules for a Short Circuit

Performing this test ensures that a short circuit was not created when installing an MCM or a pass through
module. Follow the procedure to install and use the MCM/L3 module short-circuit test tool (part number
44P0209) and a multimeter during MCM replacement.
Note: This procedure is to be performed by trained personnel only. Ensure the UEPO switch is in the Off
position before performing these procedures.
MCM Installation Shorts Test, Step 1:
Attention: Be sure to record the resistance readings taken during these tests so that you can refer to
them if needed.
* See "Shorts Test Qualified Service Meters and Fail Criteria" on page 837.
810 Eserver pSeries 670 Service Guide