Midterm Flashcards
How does a server chipset act to control system-wide latency?
Controls the data flow between the CPU, caches, and memory.
Matching the server chipset to the server CPU helps to minimize what?
Bottlenecks
In servers the two commonly used multi-processor architectures are? (No acronyms)
Symmetric Multiprocessing, Non-Uniform Memory Access
The acronym PCI stands for what?
Peripheral Component Interface / Interconnect
IBM refers to the PCI bus as what?
Multiplex address and data bus
What is the PCI turnaround phase?
The transition from Data mode to address mode, or visa versa.
Most IBM X System Servers have replaced PCI-X with what?
PCI Express
QDR transfers how many data bit per clock cycle?
4
A PCI Express Serial link uses two wire pairs, what is the role of each pair?
One to send and one to receive
PCI Express devices look like what types of devices to software?
PCI devices
What is the major design difference between PCI-E and the previous versions of PCI?
PCI-Express is serial, everything else is parallel.
According to Moores Law the numbers of transistors in CPUs doubles how many years?
Every 2
The acronym UEFI stands for what?
Unified Extensible Firmware Interface
UEFI was originally designed for what processor?
Itanium
UEFI was designed to replace what in a server?
BIOS