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Dell PowerEdge R630 Owner's Manual

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Backplane

The Dell PowerEdge R630 is available in several hot- plug, hard- drive chassis options, as detailed in the table below.

NOTE The chassis option must be selected during purchase and cannot be changed or upgraded later.
Storage Options
Config # Chassis Controller Qty Base Config # Backplane Description Storage Controller(s)
1 R630 1 ASSY,CHAS,2.5X8,R630

2 PCIe Slots

 8 X 2.5 SAS/SATA BP PERC S130, H330, H730, H730P
2 R630 1 ASSY,CHAS,2.5X8,R630

3 PCIe Slots

 8 X 2.5 SAS/SATA BP PERC S130, H330, H730, H730P
3 R630 1 ASSY,CHAS,2.5X10,R630 10 X 2.5" SAS/SATA BP PERC H330, H730, H730P
4 R630 1 ASSY,CHAS,2.5X6 +4,R630 10 X 2.5" SAS/SATA BP w/ PCIe SSD PERC H330, H730, H730P
5 R630 1 or 2 ASSY,CHAS,1.8X24,R630 24 X 1.8" SATA BP PERC H330, H730, H730P

SAS Backplane Features

All backplanes with eight or fewer hard drive slots have SEP circuitry implemented. For R630, because of power- and planar space limitations, all backplanes implement a 5V VR on the backplane, accomodate for the backplane HDD count. 12 V power is delivered through Power cable(s) to the backplanes.

All backplanes use a common sideband connector and connector pin-out for miscellaneous signals and I2C signals from the system iDRAC to the SEP. The sideband connector also carries 3.3V for all SAS backplanes. One pin is reserved for 3.3V AUX. This pin is left as no-connect on the SAS backplanes. On the PCIe backplane, the 3.3V AUX is routed to each SSD drive.This enables the SSD slot being PCIe slot specific capable.

All SAS backplanes are designed and validated to meet 12Gbps SAS and 6Gbps SATA requirements.

SAS Expander Daughter Card

The SAS expander daughter card is necessary to achieve higher single-volume hard drive configurations. An integrated expander device limits the hard drive footprint. A daughter card allows PowerEdge R730 and R730xd to maximize the hard drive space in the hard drive bay.

A single expander daughter card supports the 16 hard drive configuration. The expander daughter card is integrated with the 16 hard drive primary backplane by using Xcede HD and power connectors.

The key implementation features of the Expander Daughter Card are:

  • Four 4x MiniSAS connectors: two for the internal storage controller, and two for an optional daisy chain board to extend the HDD count.
  • One eSATA port footprint (not populated for OEM solutions with x36 expander).
  • One LSI SAS3 x36 Edge Expander:
    • Provide connection between initiators and targets.
    • Support SSP, STP, and SMP protocols.
    • Internal BP SEP that communicates with the RAID controller by using SES pages over i2C and with the system iDRAC over i2C.
    • Support 12 Gbps SAS, 12 Gbps SAS and 6 Gbps SATA.
  • Expander Flash ROM:
    • 4 MB part. Stores the expander firmware image.
  • Xcede connectors for low speed misc. signals and high speed SAS signals between the DC and the primary backplane.
  • Internal Expander SEP for platform specific firmware settings.

Active backplane with the expansion redriver card is supported.

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