452 Upgrade and Maintenance Manual TX2550 M4
System board and components
Ê "Shutting down the server" on page 52
Ê "Disconnecting the power cord" on page 53
Ê Disconnect all external cables.
Ê Remove the PSUs, see section "Removing a PSU" on page 145.
Ê "Getting access to the component" on page 54
Ê "Removing the system air duct" on page 67
Ê "Removing the PCI air duct" on page 86
Ê Remove all expansion cards, see section "Expansion cards" on page 312.
I Before removing the expansion cards, take a note on the installation
slot number for each card. Make sure that you reinstall the card in the
slot it was located before the replacement.
Ê If applicable, "Removing the riser module" on page 84
Ê "Removing the crossbar" on page 88
Ê Remove the fan bridge, see section "Handling fan bridges" on page 90.
Ê Remove all memory modules, see section "Removing memory modules" on
page 352.
I Before removing the memory modules, take a note on the installation
slot number for each memory module. Make sure that you reinstall
the memory modules in the slot they were located before the
replacement.
Ê Remove the OCP module (if applicable), see section "Removing the OCP
module" on page 307.
Ê Remove the iRMC microSD card (if applicable), see section "Removing the
iRMC microSD card" on page 429
Ê If applicable, remove all M.2 SSDs, see section "Removing the M.2 SSD" on
page 436.
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