Compaq AA-RHGWC-TE manual Standard Hub Configuration

Table 5–4: Adding a Memory Channel Interconnect or Rolling from a Dual, Redundant MC1 Interconnect to MC2 Interconnects (cont.)

Step Action	Refer to:
Standard Hub Configuration:
Remove the MC1 adapter and install the MC2 adapter in	Figure 5–4, and
one system, and on one rail at a time. Use a BN39B-10	Figure 5–5
link cable to connect the new MC2 adapter to the linecard
in the MC2 hub that corresponds to the same linecard that
the MC1 module was connected to in the MC1 hub.
If this is the last system on this rail to receive an MC2	Figure 5–6
adapter (that is, all other member systems on this rail
have one MC2 adapter) you can replace both MC1 adapters
at the same time. Use a BN39B-10 link cable to connect
the new MC2 adapters to the linecard in their respective
MC2 hub that corresponds to the same linecard that the
MC1 modules were connected to in the MC1 hubs.

6Turn on the system and run the mc_diag Memory Channel Section 5.6 diagnostic. Note that you cannot run mc_cable because

this is the only system in the cluster that is shut down.

7

8

Boot the system.

Repeat steps 1 - 7 for all other systems in the cluster.	Figure 5–7 and
When you have replaced both MC1 adapters in the	Figure 5–8
last system, repeat steps 1 - 7 and replace the MC1
adapters on the other interconnect.

9	If desired, after the last member system has had its second	sysconfig
	MC1 adapter replaced with an MC2 adapter, and the	reference pages

cluster is operational, if all MC2 adapters are jumpered for 512 MB (and you need to utilize 512 MB address space) enable increasing the address space to 512 MB:

Setting Up the Memory Channel Cluster Interconnect 5–17