IBM Power System 8247-42L Manual page 62

c. Connect the power cable from the GPU adapter to the connector (A) on the power distribution
board. See Figure 47.
Figure 47. Reconnecting the GPU adapter power cable
23. Replace the PCI adapters. For instructions, see Replacing a PCI adapter with the power turned off
(http://www.ibm.com/support/knowledgecenter/POWER8/p8hak/
p8hak_82x_84x_replace_poweroff.htm).
24. Reconnect the power distribution signal cable (A) to the rear of the power supply assembly and the
system backplane connector. See Figure 48 on page 45.
44
System backplane
A