Themidplane bracketinSupermicro MI300X GPU systemsconnects multiple crucial components, includingstorage, PCIe devices, and power distribution systems.
Why must the MCIO and Flat Panel/Ribbon cables be removed?
MCIO Cable (Option B)→
MCIO (Multi-lane Cable I/O)cables are responsible forhigh-speed NVMe communicationbetween the motherboard and storage components.
These cables must bedisconnected before midplane removal, asforcing them out without removal can cause connector damage.
Flat Panel/Ribbon Cable (Option C)→
Theflat panel/ribbon cableis used forsystem communication, front panel connectivity, or sensor data transmission.
If not removed, it can be torn or pinched, leading tomalfunctioning front panel indicators, buttons, or management controllers.
Incorrect Answers Explained:
A (Power cable)→ Power cables are usuallysecured independentlyand arenot directly attached to the midplane bracket. Removing them isnot a required stepfor midplane bracket removal.
D (SATA cable)→ SATA cables arefor legacy storage systemsanddo not need to be disconnectedunless working on SATA-specific backplanes.
Official Documentation Reference:
SupermicroService ManualforAS-8125GS-TNMR2explicitly states thatMCIO cables and ribbon cables must be removed before handling the midplane bracketto preventsystem damage.
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