Ê "Disconnecting power cords" on page 54
Ê Remove all external cables from the GPGPU card to be replaced.
Ê "Getting access to the component" on page 55
Ê If applicable, disconnect internal cables from the GPGPU card.
Ê Locate the defective GPGPU card using the onboard Local Diagnostic LEDs 
as described in section "Onboard indicators and controls" on page 425.
9.6.5.2 Removing the defective GPGPU card
Ê If applicable, remove the riser module 1 as described in section "Removing 
the riser module 1 (FL)" on page 222.
Ê If applicable, remove the riser module 2 as described in section "Removing 
the riser module 2 (FL)" on page 231.
Ê Remove the GPGPU card as described in section "Removing a GPGPU 
card (FL)" on page 223.
9.6.5.3 Installing the new GPGPU card
Ê Install the new GPGPU card as described in section "Installing a GPGPU 
card in a riser module (FL)" on page 213. 
Ê If applicable, install the riser module 1 as described in section "Installing the 
riser module 1 (FL)" on page 214.
Ê If applicable, install the riser module 2 as described in section "Installing the 
riser module 2 (FL)" on page 226.
9.6.5.4 Connecting cables to the GPGPU card
Ê If applicable, connect internal cables to the GPGPU card.
I For a complete cabling overview, please refer to section "List of used 
cables" on page 411.
9.6.5.5 Connecting a battery backup unit to the expansion card
Ê If applicable, connect a FBU to the GPGPU card (riser module 1) as 
described in section "Installing the FBU" on page 216.