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Perform the first availability function by completing these steps: 

1. Click Automatic Mapping . 

2. The Reset CHPID Assignments window opens with Reset choices (Figure 4-31). For the example, select the following two options and then click OK : 

– Reset CHPIDs assigned by Automatic Mapping 

– Reset CHPIDs assigned by IOCP (Potential re-cabling required!) 

<img src='content_image/998763.jpg'>

Tip:  The following fourth choice is also available, but only for an upgrade or an MES: Reset CHPIDs assigned by CMT for config files. 

3. Click OK  to confirm the reset (Figure 4-32). 

<img src='content_image/998764.jpg'>

4. Avaiability rules may differ from a 3906, so remove all CHID assignments that are still in the IOCP. 

5. Click OK . 

