Please be aware that with BL460c Gen8 servers purchased/configured with a single processor only the first mezzanine slot is active, the second mezzanine slot is disabled until a second processor is active.
You need a 2nd CPU when you configure a mezzanine card in slot 2. The reason is that the E5-2600 family provides PCIe Gen3 control up to 40 lanes, and the 1st CPU on BL460c Gen8 uses 8 lanes for FlexibleLOM, 8 lanes for P220i and 16 lanes for mezzanine 1, therefore, there is no room for mezzanine 2 (PCIe Gen8 16 lanes) on 1st cpu. The 2nd cpu controls mezzanine 2.
For some this could be a restriction with Gen8 servers as many customers with c3000 BladeSystem are looking to lower their VMware licensing costs by reducing the number of processors licensed, but this limits the half-height blades to four NICs – which is not ideal when iSCSI is used.
An option would be to consider a BL465c, which has full access of mezzanine slots with one processor, and has a x8 PCIe 2.0 Type A slot and a x16 PCIe 2.0 Type B slot.
To discuss this, or any HP requirement, please do not hesitate to contact Applied Technologies : https://applied-tech.development-box.co.uk
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