Dell PowerEdge 2900 Hardware Owner's Manual (PDF) - Page 99

Installing the SAS Controller Daughter Card, Cabling the SAS Backplane Boards, Cable Requirements - parts

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Installing the SAS Controller Daughter Card The following procedure applies to either a SAS controller or a SAS RAID controller daughter card. 1 Hold the daughter card by its edges and align the card with the slide rails on the expansion-bay bracket. See Figure 3-28. NOTE: When pushing the SAS controller daughter card into the socket connector, push only on the card edges and not on the DIMM or any part of the DIMM socket on the daughter card. 2 Insert the card into the slide rails and slide the card down until the card-edge connector seats into the dedicated storage socket (INT STORAGE) on the system board. See Figure 3-14 and Figure 3-28. 3 If present, connect the battery cable to the battery cable connector on the SAS controller daughter card. If you need to replace the SAS daughter card battery, see "Replacing the SAS RAID Controller Daughter Card Battery" on page 96. Cabling the SAS Backplane Boards Cable Requirements The cables needed to connect the SAS storage system depend on your configuration. Table 3-2 provides a listing of the available configurations for your SAS storage, the number of cables required, and the number of hard drives supported in each configuration. Table 3-2. Cable Requirements Configuration SAS controller SAS RAID controller /no 1x2 flex bay backplane SAS RAID controller /1x2 flex bay backplane Cables Required 1 2 Hard Drives Supported 4 (bays 0 through 3) 8 (bays 0 through 7) 3 10 (bays 0 through 9) Cabling the SAS Controller (Non-RAID) For a system with a non-RAID SAS controller daughter card installed, connect SAS_0 on the SAS controller daughter card to connector SAS_A on the SAS backplane board. See Figure 3-29. Installing System Components 99

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Installing System Components
99
Installing the SAS Controller Daughter Card
The following procedure applies to either a SAS controller or a SAS RAID controller daughter card.
1
Hold the daughter card by its edges and align the card with the slide rails on the expansion-bay bracket.
See Figure 3-28.
NOTE:
When pushing the SAS controller daughter card into the socket connector, push only on the card edges
and not on the DIMM or any part of the DIMM socket on the daughter card.
2
Insert the card into the slide rails and slide the card down until the card-edge connector seats into the
dedicated storage socket (INT STORAGE) on the system board. See Figure 3-14 and Figure 3-28.
3
If present, connect the battery cable to the battery cable connector on the SAS controller daughter
card.
If you need to replace the SAS daughter card battery, see "Replacing the SAS RAID Controller Daughter
Card Battery" on page 96.
Cabling the SAS Backplane Boards
Cable Requirements
The cables needed to connect the SAS storage system depend on your configuration. Table 3-2 provides
a listing of the available configurations for your SAS storage, the number of cables required, and the
number of hard drives supported in each configuration.
Cabling the SAS Controller (Non-RAID)
For a system with a non-RAID SAS controller daughter card installed, connect SAS_0 on the SAS
controller daughter card to connector SAS_A on the SAS backplane board. See Figure 3-29.
Table 3-2.
Cable Requirements
Configuration
Cables Required
Hard Drives Supported
SAS controller
1
4 (bays 0 through 3)
SAS RAID controller /no 1x2 flex bay
backplane
2
8 (bays 0 through 7)
SAS RAID controller /1x2 flex bay
backplane
3
10 (bays 0 through 9)