content_image/979735.jpg content_image/979742.jpg
4. The Set Card Mode or Speed window opens (see Figure 6-22). Select the correct port speed from the Speed/Mode list. You can set the speed of port 0 and 1 individually. Click OK . 

<img src='content_image/979735.jpg'>

5. To effect the changes, you must configure CHPID OFFLINE and ONLINE from every LPAR where this CHPID is defined. 

## Changing OSA MAC address 

To change the MAC address, complete the following steps: 

1. Log on to the HMC. 

2. Open OSA Advanced Facilities, and select the PCHID that you want to customize. 

3. The Advanced Facilities window opens (see Figure 6-23). Select Display or alter MAC address  and then, click OK . 

<img src='content_image/979742.jpg'>

