Dell PowerEdge R750 EMC Installation and Service Manual - Page 88

PERC module, Removing the rear mounting front PERC module

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Figure 89. 24 x 2.5-inch SAS/SATA with separate controller, expander, APERC in R2, and fPERC Table 40. 24 x 2.5-inch SAS/SATA with separate controller, expander, APERC in R2, and fPERC From To SIG_PWR_1 (system board power connector) BP_PWR_1 (backplane power connector) CTRL_SRC_SB1 (fPERC controller connector) DST_SB1 (backplane expander signal connector) SIG_PWR_2 (system board power connector) BP_PWR_2 (backplane power connector) SL3_CPU1_PB2 (signal connector on system board) CTRL_DST_PA1 (fPERC input connector) SIG_PWR_0 (system board power connector) BP_PWR_1 (rear backplane power connector) APERC_CTRL_SRC_SA1 (adapter PERC controller connector) BP_DST_SA1 (rear backplane expander signal connector) PERC module Removing the rear mounting front PERC module Prerequisites 1. Follow the safety guidelines listed in the Safety instructions. 2. Follow the procedure listed in the Before working inside your system. 3. Remove the drive backplane cover. 4. If installed, remove the air shroud or remove the GPU air shroud. 5. If required, remove the drive backplane. 6. Disconnect all the cables, observe the cable routing. Steps 1. Using a Phillips #2 screwdriver, loosen the captive screws on the rear mounting front PERC module. 2. Slide the rear mounting front PERC module to disengage from the connector on the drive backplane. 88 Installing and removing system components

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Figure 89. 24 x 2.5-inch SAS/SATA with separate controller, expander, APERC in R2, and fPERC
Table 40. 24 x 2.5-inch SAS/SATA with separate controller, expander, APERC in R2, and fPERC
From
To
SIG_PWR_1 (system board power connector)
BP_PWR_1 (backplane power connector)
CTRL_SRC_SB1 (fPERC controller connector)
DST_SB1 (backplane expander signal connector)
SIG_PWR_2 (system board power connector)
BP_PWR_2 (backplane power connector)
SL3_CPU1_PB2 (signal connector on system board)
CTRL_DST_PA1 (fPERC input connector)
SIG_PWR_0 (system board power connector)
BP_PWR_1 (rear backplane power connector)
APERC_CTRL_SRC_SA1 (adapter PERC controller
connector)
BP_DST_SA1 (rear backplane expander signal connector)
PERC module
Removing the rear mounting front PERC module
Prerequisites
1.
Follow the safety guidelines listed in the
Safety instructions
.
2.
Follow the procedure listed in the
Before working inside your system
.
3.
Remove the drive backplane cover
.
4.
If installed,
remove the air shroud
or
remove the GPU air shroud
.
5.
If required,
remove the drive backplane
.
6.
Disconnect all the cables, observe the cable routing.
Steps
1.
Using a Phillips #2 screwdriver, loosen the captive screws on the rear mounting front PERC module.
2.
Slide the rear mounting front PERC module to disengage from the connector on the drive backplane.
88
Installing and removing system components