ZALMAN AMD Athlon/ Duron/Athlon XP Socket 462 CPU Manual de usuario descargar pdf (Pagina 5)

Exam Tip

Remember that DRAM is fast, cheap, and must be refreshed; SRAM

is much faster, very expensive, and requires no refreshing.

The frontside bus connects the CPU to RAM or to the Northbridge chip of the

chipset. The frontside bus usually runs at 2× or 4× the speed of the system crys

tal, so it is referred to as a double-pumped or quad-pumped frontside bus.Every

CPU since the Intel Pentium has a 64-bit frontside bus. Figure 5.2 shows the

relationship of the CPU, cache, backside bus, and frontside bus.

CHAPTER 5 CPUs 103

Passport / Mike Meyers‘ A+ Certification Passport / Meyers / 226308-3 / Chapter 5

FIGURE 5.2 The CPU in the center

P:\010Comp\Passport\308-3\ch05.vp

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ZALMAN AMD Athlon/ Duron/Athlon XP Socket 462 CPU Manual de usuario Pagina 5