PC Hardware A Beginner’s Guide

Module Connectors Over the years, the connectors on the edge of SIMM and DIMM modules and the connec- torsinsidetheirmountingsoc ...

Chapter 7: Computer Memory^141 Filling Up Memory Banks It is entirely possible that a PC with installed memory chips or modules ...

(^142) PC Hardware: A Beginner’s Guide Deep, Wide, and Fast Memories SIMMs and DIMMs and memory chips have special markings to i ...

Chapter 7: Computer Memory^143 Memory Module D x W Memory Size (MB) 1 x 9 1 2 x 9 2 4 x 9 4 16 x 9 16 72-pin SIMM (without parit ...

(^144) PC Hardware: A Beginner’s Guide Parity Memory DRAM memory can include a mechanism used to verify and maintain the integri ...

an error was detected, but that is not all bad. If a byte starts out with six 1 bits but ends up with only five or gains one and ...

 Enhanced SDRAM (ESDRAM) ESDRAM (pronounced “ehs-dee-ram”) is actually SDRAM with a small built-in SRAM cache that is used to i ...

Chapter 7: Computer Memory^147 Some of the video memory technologies in use are:
Video RAM (VRAM) The most commonly used form ...

(^148) PC Hardware: A Beginner’s Guide The Upper Memory Area Theupper memory areawas originally designated by IBM for use by the ...

Chapter 7: Computer Memory^149 Extendedmemoryisoftenconfusedwithexpandedmemory.Expandedmemory(the upper memory area) expands con ...

(^150) PC Hardware: A Beginner’s Guide However, if a memory error occurs after the system has booted, the operating system willu ...

Chapter 7: Computer Memory^151 good. These specially designed devices can also test for any indication that the memory may fail ...

(^152) PC Hardware: A Beginner’s Guide Installing a SIMM in a PC Before you begin installing a SIMM module, be sure that you hav ...

Chapter 7: Computer Memory^153 the module all of the way down into the socket, line u pthe edge-connector pins on the SIMM with ...

(^154) PC Hardware: A Beginner’s Guide its edges and avoid touching the components on the board. The SIMM should click into plac ...

Unlike a SIMM, a DIMM must be specifically compatible to your motherboard. You should never need to force a DIMM into a socket. ...

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CHAPTER 8 Cache Memory 157 Copyright 2001 The McGraw-Hill Companies, Inc. Click Here for Terms of Use. ...

F or some unexplainable reason, the major components of the PC—the microproces- sor, the memory, motherboard data bus, the hard ...

also used for primary memory, which could eliminate the need for cache memory all together, there are some very good practical a ...