RX2540 M4 Upgrade and Maintenance Manual 537
System board and components
Ê "Shutting down the server" on page 55
Ê "Disconnecting the power cord" on page 56
Ê Disconnect all external cables.
Ê Remove the PSUs see, section"Removing a hot-plug PSU" on page 132.
Ê "Getting access to the component" on page 58
Ê "Removing the air duct" on page 88
Ê "Removing the fan holder" on page 233
Ê Remove all memory modules, see section "Removing a memory module" on
page 341.
I Before removing the memory modules, take a note on the installation
slot number for each memory module. Ensure that you install the
memory modules in the slot they were located before the
replacement.
Ê If applicable, remove the riser modules, see section "Handling riser
modules" on page 71.
Ê Expansion cards, see section "Removing an expansion card" on page 263.
I Before removing the expansion cards, take a note on the installation
slot number for each card. Ensure that you install the card in the slot
it was located before the replacement.
Ê Remove the OCP module (if applicable), see section "Removing the OCP
module" on page 250.
Ê Remove the iRMC microSD card (if applicable), see section "Removing the
iRMC microSD card" on page 515.
Ê If applicable, remove all M.2 SSDs, see section "Removing the M.2 SSD" on
page 521.
Ê If applicable, remove the Dual microSD 64GB Enterprise, see section
"Removing the Dual microSD 64GB Enterprise" on page 529.
16.7.1.2 Removing the defective system board
Ê Disconnect all cables from the system board.
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