Examkin

Soru

Zorluk: OrtaMotherboard, RAM, CPU, and Power Issues

A technician installs a second identical 16 GB DDR4 RAM module into a workstation to enable dual-channel memory performance. Upon inspecting the system information inside the operating system, all 32 GB of RAM is detected, but memory diagnostic utilities report that the system is still operating in single-channel mode. Which of the following is the most likely cause of this issue?

  1. The memory module was populated into a slot on the same channel rather than the designated color-coded channel pair.Cevap
  2. B
    The technician installed an SO-DIMM module into a standard desktop DIMM slot without a physical adapter.
  3. C
    The power supply unit is delivering insufficient wattage on the +12V rail to support dual-channel operations.
  4. D
    The operating system bootloader is corrupted and misinterprets POST diagnostic signals during system startup.

Cevap

The memory module was installed into a motherboard slot belonging to the same channel rather than being placed across paired dual-channel slots.
Dual-channel memory functionality depends on placing memory sticks into specific paired slots (e.g., Slot 1 and Slot 3, or Slot 2 and Slot 4) connected to independent memory channels on the motherboard. Populating two modules on the same memory channel will detect the full memory capacity but restrict memory throughput to single-channel mode.

Adım Adım Çözüm

1
Analyze system symptom and hardware status.
The total capacity (32 GB) is detected, confirming both modules are functional and properly seated, but single-channel mode indicates incorrect channel placement.
When RAM modules share a single memory channel bus on the motherboard, they operate in single-channel mode regardless of total capacity.
2
Consult motherboard layout documentation for dual-channel slot population rules.
Identify that paired slots (typically color-coded or designated as slots 1 & 3 or 2 & 4) must be populated to enable dual-channel bandwidth.
Dual-channel architecture requires memory modules to communicate over two independent memory controllers simultaneously.

Anahtar Kavram

Dual-Channel RAM Slot Population Rules
Tahmini Süre:1m 15s
Bu soruyu puanla

Konular

Motherboard, RAM, CPU, and Power Issues

Bu konudan daha fazla soru