IBM Power System 8247-42L Manual page 119

Figure 102. Replacing the disk drive backplane
34. Replace the rear SAS cable. For instructions, see Replacing the rear SAS cable (http://
www.ibm.com/support/knowledgecenter/POWER8/p8egd/p8egd_82x_84x_rearsascablein.htm).
35. Replace the PCIe3 x8 cache SAS RAID internal adapter 6 Gb. Do not connect the front SAS cables to
the disk drive backplane now. For instructions, see Replacing the PCIe3 x8 cache SAS RAID internal
adapter 6 Gb (http://www.ibm.com/support/knowledgecenter/POWER8/p8eg6/
p8eg6_82x_84x_sasraidin.htm).
36. Reconnect the signal and control panel cables (A), and the power Y cable (B), to the disk drive
backplane and system backplane as shown in Figure 103 on page 102.
A
101
System backplane