A、Explain to the customer that they need an additional HMC for the POWER5 system.
B、Obtain a PO from the customer to purchase additional serial connections to the HMC.
C、Obtain a PO from the customer to purchase additional Ethernet connections to the HMC.
D、Explain to the customer that they need a firmware update on the HMC to support both POWER4 and POWER5.