The pSeries technical specialist of a Premier Tier 1 Business Partner has been working on a design for a four LPAR p5-570 Express solution.  The specialist has received conflicting information regarding sharing the IDE DVD-RAM drive between different LPARs.  Who should the technical specialist contact to gain a definitive answer？（）

• A、IBM BPSO
• B、IBM Partnerline
• C、IBM Distributor
• D、IBM Supportline