RAID Controllers & Riser Boards

Dell PowerEdge 2850 RAID Controllers & Riser Boards

The Dell PowerEdge 2850 rackmount server features an integrated, dual-channel U320 SCSI host adapter built into the riser board on a dedicated chip. The internal controller supports up to six (6) 80-pin SCSI hard drives on the SCSI backplane. The SCSI backplane automatically configures SCSI ID numbers and SCSI termination, greatly simplifying drive installation.

The internal RAID controller requires a key, a 256MB memory DIMM and a rechargeable lithium-ion battery to activate it. The key plugs into the system board between the main memory slots and the housing for the power supplies. The battery and 256MB memory DIMM plug directly into the riser board. These components are sold together in a kit (H1813-KIT) for replacement parts.

There are two options for riser boards in the PowerEdge 2850. The standard riser is a PCI-X riser card that has three (3) 3.3-V, 64-bit, 133MHz expansion slots that accommodate full-height, one (1) half-length and two (2) full-length expansion cards. An alternate PCI-E/PCI-X riser card features one (1) x4 lane-width PCI-E expansion slot, one (1) x8 lane-width PCI-E expansion slot and one (1) 3.3-V, 64-bit, 100-MHz PCI-X expansion slot. Expansion card slots accommodate half-length expansion cards.

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