Transcription of 7-1 Chapter 7- Memory System Design Chapter 7- Memory ...
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7-1 Chapter 7- Memory System Design Chapter 7- Memory ...
7-1 Chapter 7- Memory System DesignComputer Systems Design and Architecture by V. Heuring and H. Jordan 1997 V. Heuring and H. Jordan: Updated David M. Zar, February, 2001 Chapter 7- Memory System Design Introduction RAM structure: Cells and Chips Memory boards and modules Two-level Memory hierarchy The cache Virtual Memory The Memory as a sub- System of the computer7-2 Chapter 7- Memory System DesignComputer Systems Design and Architecture by V. Heuring and H. Jordan 1997 V. Heuring and H. Jordan: Updated David M. Zar, February, 2001 IntroductionSo far, we ve treated Memory as an array of words limited in size only by the number of address bits. Life is seldom so world issues arise: cost speed size power consumption volatility other issues can you think of that will influence Memory Design ?
•Static RAM–more expensive, but less complex ... •Chip organization •Timing ... Intel286 1982 2.7 12.5 MHz 134 K 16 16 16 MB None 8086 1978 0.8 8 MHz 29 K 16 16 1 MB None Caches in CPU Package Max, External Address Space External Data Bus
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