Service manual

7-34 AlphaServer 4000/4100 Service Manual
7.15 PCI/EISA Motherboard (B3050) Removal and
Replacement
Figure 7-14 Replacing PCI/EISA Motherboard
PKW0409-96
PCI Motherboard
Connection to
Bridge Module
Removal
The PCI motherboard contains an NVRAM with ECU data and customized console
environment variables. Therefore, if the console runs, execute a show * command at
the console prompt and, if you have not done so earlier, record the settings for the
sys_model_number and sys_type environment variables. These environment
variables are used to display the system model number and type, and they compute
certain information passed to the operating system. When you replace the PCI