1gb pc133

, because from the top address of the 4 GB space (FFFF_FFFFh) at the beginning, mb-1gb of address space needs to be allocated to other physical memory on the motherboard. We can see that 4 GB address space can be divided into two parts, 0 MB ~ The physical memory top address is allocated to the physical memory installed on the motherboard, 4 GB to the physical memory top address is allocated to the BIOS (ROM) and PCI/PCI-E device memory. Because these

space ". The system not only needs to address the memory on the motherboard, but also to address the above physical memory. They are all stored in the same address space, the physical memory after the addressing can be used or occupied by system resources. % Starting from the Pentium Pro processor, the CPU address bus has been upgraded to 36-bit and the addressing capability has reached 64 GB. It is reasonable to say that the CPU supports 4 GB of memory. Therefore, the number of chipset (Northb

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simple way to demonstrate what they need to know when running Java applications inside a Linux container.We tend to think that containers can define the total number of CPUs and the memory of virtual machines as virtual machines. Containers are more like isolation of a process-level resource (CPU, memory, file system, network, and so on). This isolation is dependent on the functionality of a cgroups provided in the Linux kernel.However, some applications that can gather information from the run

-bit systems. One of the most important differences for an enterprise customer is whether the address of the virtual memory can exceed 4GB. From a performance perspective, it is important to understand how the Linux kernel in 32-bit and 64-bit systems maps physical memory to virtual cores.From Figure 1-10, you can see the obvious difference in how the Linux kernel handles 32-bit and 64-bit system memory. The mapping details of memory to virtual memory are beyond the scope of this article, so thi

Original:high-end memory mapping of Linux kernel notesOn a 32-bit system, the kernel uses the linear address space of section 3gb~ 4GB, a total of 1GB size. The kernel directly maps the first 896MB of the 0~896MB to the physical memory, which is a linear map that takes the remaining 128M linear address space as a window to access higher than 896M of memory.The main reason for the introduction of high-end memory mapping is that when we install more tha

Linux high-end memory is for physical memory, virtual memory does not have the concept of high-end. The Linux system divides virtual memory into two parts: the userAddress space, and for 32-bit systems, the virtual address space is 4GB, where the user space range is 0-3GB and the kernel space is3-4GB. Linux maps the 896M address of the kernel virtual address space starting at 3GB directly to the 0-896m of the physical address space, which is part of the permanentThe remaining 128M can be dynamic

1, 1 CPU's addressing capacity is 8KB, then its address bus width is a few? Answer: The addressing ability is 8kb,8*1024=8192. 2 of the 13 is equal to 8192, so the address bus width is 13, which means there are 13 address bus. Extension: Why our on-market memory is 128M, 256M, 512M, 1G, 2G, 4G, 8G memory. It all has to do with a few 2 of the parties. Why does XP only know 3.25G memory? is related to the CPU's addressing capability. Addressing capabilities also represent the memory that the CPU c

a "Custom size" way? In Windows XP, if virtual memory is defined by the operating system itself, the system usually sets the minimum to 1.5 times times the physical memory. When extended, the maximum value is between 2.5 and 3 times times the physical memory. In general, users want to customize the size of virtual memory, you can refer to this scale setting. Do you really have to refer to this ratio? If my computer has 1GB of memory, the minimum valu

Recently we have often talked about the topic is the DDR memory of the big price reduction, DDR266 from the position of more than 400 yuan plunged to about 200 yuan, many people have used 512MB or even 1GB of memory, so there is a view of some players in the popular, that is to disable virtual memory, Prohibit Windows paging file Exchange, forced command data processing in memory, can speed up data read and write efficiency, is it really so? 　　 set

In the computer storage unit is the smallest B (byte), an English character needs to occupy 1 bytes of space, a Chinese character needs to occupy 2 bytes of space, the conversion between the units are as follows: 1kb=1024b1mb=1024kb1gb=1024mb= 1,073,741,824b1tb=1024gb---The following units are rarely used, which are rarely mentioned-------------1pb=1024tb1eb=1024pb1zb=1024eb1yb=1024zb About the space capacity of the problem, in fact, manufacturers and we often say that the conversion method

main lens, including dual LED light, and its corresponding 5 million-pixel wide-angle front lens. 　　Mobile 4G Edition Red meter 2A(499 RMB) The red m 2A Front is a 4.7-inch IPs full fitting screen with a resolution of 1280x720 pixel HD level. The core is built with a combined core l1860c four 1.5GHz processor, and Mali T628 dual-core graphics processor, coupled with 1GB RAM+8GB ROM memory combination, can run the MIUI6 system smoothly. The bac

values. We can give each combination a specific meaning, for example, can be used 1101000, 00011100, 11111111, 00000000, 01010101, 10101010来 to express C, language, speech, Chinese, text, net these words, then combine 1101000 00011100 11111111 00000000 01010101 10101010 means "C language Chinese net". Under normal circumstances we do not use a component, but 8 components as a unit, even if the small number, such as 1, also need 8, that is 00000001. 1 components called 1 bits (bit) or 1 bits,

As SSD How to use? How do you look at 4k alignment? 　　About as SSD software: As SSD is a professional SSD (SSD) transmission Speed Test tool, it can not only test the speed of solid-state hard disk reading, but also can detect SSD is 4K alignment, open Achi mode and so on. As SSD tool interface As SSD tool Compact, support XP, WIN7/8/WIN10 system, under XP need to install run. NET Framework 2.0 environment to use. 　　As SSD tool Test principle: 　　Continuous reading a

somewhat different from the actual use, which specifies not only the path to all InnoDB data files, but also the initial size allocation, the maximum allocation, and whether the file should be increased when the threshold is exceeded. The general format of this parameter is as follows: Path-to-datafile:size-allocation[:autoextend[:max-size-allocation]] For example, suppose you want to create a data file of sales with an initial size of 100MB, and you want to automatically increase the 8MB (8MB

. /usr : The application that is used to store Linux systems has more data and is recommended for more than 3GB. /var : Used to store frequently changing data and log files for Linux systems, more than 1GB is recommended. /home : The data for ordinary users is the host directory for ordinary users, and the recommended size is the remaining space. /: The root directory of the Linux system, all directories are hanging under this director

4,104 core processor, running 1GB RAM memory and 8GB ROM storage space and support TF card expansion, with a front 2 million/rear 8 million pixel camera, Support dual 4G Network and dual SIM card, built-in 2200mAh lithium away polymer battery, run MIUI V6 system. Glory 4 AReference Price: 599 yuan (Mobile 4G edition)Motto: Low-priced wayward top student Glory 4 A smart phone recommendation On the afternoon of July 21, Huawei released a

. In order to meet the needs of development, jz2440 shipped three storage media at the factory: (1) NOR FLASH (2M): ROM memory, usually used to save bootloader, boot system boot (2) NAND FLASH (256M, model is different, nandflash size is different): Save the operating system image file and file system (3) SDRAM (64M): Memory, executing program NOR FLASH: It features support for XIP-chip execution (execute in place) so that applications can run directly in Flash flash memory without having to re

+ or faster memory-1GB of memory video card-GeForce 5 and ATI 9800 w/128 MB v memory Windows XP, Wi N2k or Windows Vista Recommended configuration: Processor-2.0GHz Core 2 duo/amd 3500+ or faster memory-1.5GB or higher video card-256MB Geforce 7800+ or Radeon x1900+ Linux Minimum configuration: Processor-2.2GHz Pentium 4/AMD 2400+ or faster memory-1GB of memory video card-128MB fully OpenGL 2.0/GLSL 1.20 co

Tags: nod uninstall elf pack size one installation process col installationThe main steps of this paper are reference: https://www.linuxidc.com/Linux/2014-02/97374.htmlater, I joined some of the installation process encountered problems and solutions. Using the graphical interface to install Oracle is deprecated, and it is more convenient to install (silent installation) with the associated scripts that are configured. Pre-installation instructions The minimum memory (RAM) requirement is