grandstream ata

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Reading Notes 4

the 64-bit bus can transmit 64 bit data at the same time. each bus has a clock measured in MHz. this data transmission rate at the end-to-end of the bus affects the speed at which the application runs. Bus can be divided into the following types based on the channels in the computer system: System Bus: This bus transfers data from CPU to memory. Local or I/O Bus: a high-speed path directly connected to the processor, responsible for communication during the peripheral device and pr

Another PHP implementation of the Bubble sorting algorithm sharing, PHP bubble sorting algorithm _php tutorial

Bubbling Method example, simple! Without the difficulty of God horse. Programming to implement a bubbling sorting algorithm? int [] array = new int;int temp = 0;for (int i = 0; i {for (int j = i + 1; j {if (Array[j] {temp = Array[i];Array[i] = Array[j];ARRAY[J] = temp;}}} Can you give me a program to implement a bubble sorting algorithm?? #include #include #define M using namespace std; void maopao1 (int data[m]) { int i,j,t; for (i=1;i for (j=0;j

Getting Started with linux-installation

Learning tasks:1: Read the Linux installation process on VMware2: Understanding Zoning ConceptsLearning experience:1:linux system hard Disk type: IDE hard disk, SCSI hard disk, SATA hard disk,The IDE is integrated drive Electronics, which is intended to refer to the hard drives that integrate the controller with the disk, and the IDE is the transmission interface that represents the hard drive. We often say that the IDE interface, also known as the ATA

Linux: View disk hardware information Hdparm,smartctl

Smartctl commandThis is a command for controlling and monitoring hard drives that support smart technology. Usually with the-a option we can see more detailed hard drive information (such as serial number, hard disk capacity, elapsed time, hard drive health, etc.). Use the following:Smartctl-a/DEV/SDA CentOS Installation: yum-y install smartmontools smartctl -I specify device -d specifies the device type, for example: ATA, SCSI, Marvell, Sat, 3ware

Linux and the storage ecosystem

provides a similar architecture to the SAN and operates at the file level. Figure 2. Major storage Architectures direct-attached storage Linux supports a large variety of DAS interfaces, including old standards like parallel advanced technology Attachment (at A)-integrated Drive Electronics [Ide]/ata-parallel SCSI, and Fibre Channel as well as new storage interfaces like serial a Ttached SCSI (SAS), serial ATA

Proving that $a^tax = a^tb$ has a common solution

This is a very interesting inference question, combined with a lot of interesting conclusions. First we need to make it clear that ATb a^tb is a vector, so the conclusion to be proven is: the non-homogeneous equations have solutions. Therefore, the problem is turned into verification: R (ATA) =r (ata| ATB) R (a^ta) = R (a^ta| A^TB) So how to think about proving this proposition. We thought that if the

Create a small linux system named mylinux

configure framebuffer. Loadable module support Select N. In order to simplify system creation, I do not select support for loading kernel modules in this project. Processor type and features Select worker CPU in processor family Select N for all other options. General setup Networking support select Y Select Y for PCI support System V ipc select Y Select Y for systrl support Kernel support for ELF select Y You can select N for other content, Chnology devices (MTD) Parallel port su

Install x61 driver XP

ACPI Power Manager and TPM security chip. If an unknown device appears, first try to install its driver.3. The system installed on ghost may be unable to install the driver. We recommend that you do not use ghost to install the system.4. If the system is not available after you use ghost to install the system, delete the device with an exclamation point under "Mouse and other pointer devices" in the Device Manager and restart the system, little red hat can be used. Note: how to change the hard

How to install XP on Lenovo ThinkPad E40

; Run and enter devmgmt. MSC, go to the Device Manager, find "Ide ATA/atapi controller", double-click it, right-click the content starting with Intel (R, select "Update driver"> "Install from list or specified location"> "do not search, I want to select the installed version ". Click "Install from disk"> "Browse", find the decompressed folder (C:/Drivers/Intel (r) SATA controller ahci driver), and select "iaahci. INF ", then select" Intel 5 Series 4 p

Use the basic at command of the modem

to manually dial the phone. Pick up the phone microphone and dial the number you want to call. TypeAth1, And then press enter to connect to the modem, and then hung up the microphone. TypeAt0And then press enter to notify the modem to go online. Return to the top and respond manually When the automatic response function (s-register S1) is not used, you can manually respond to the incoming call by entering ATA and then pressing en

Blue Bridge Cup-several routines commonly used in recursion

To find the size of the largest common sub-sequence Public classMaximum Common sub-sequence { Public Static voidMain (string[] args) {intK=F ("abc", "ADFEFEXCGFD"); System.out.println (k); } Private Static intf (String s1, string s2) {if(S1.length () ==0| | S2.length () ==0)return0; if(S1.charat (0) ==s2.charat (0)) returnF (s1.substring (1), s2.substring (1)) +1; Else returnMath.max (f (s1.substring (1), S2), F (s1,s2.substring (1))); }}The full array of alphabetic a

RHEL5.8 physical opportunities to Read-only file system

:12:25 lei1 kernel: res 40/00: 01: 00: 4f: c2/00: 00: 00: 00: 00/00 Emask 0x14 (ATA bus error)Jun 3 20:12:25 lei1 kernel: ata2.00: status: {DRDY}Jun 3 20:12:26 lei1 kernel: ata2: soft resetting linkJun 3 20:12:26 lei1 kernel: ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)Jun 3 20:12:26 lei1 kernel: ata2.00: configured for UDMA/133Jun 3 20:12:26 lei1 kernel: ata2: EH completeJun 3 20:12:26 lei1 kernel: SCSI device sda: 1953525168 512-byte hdwr

Introduction to Linux File System

and modes) and cannot be created manually. You can mount the devpts File System to the/dev/PTS directory by using the appropriate mount option (usually mode = 0620, gid = Are you surprised? Why are there no devices such as/dev/hda not commonly used? The reason is that, starting from version 2.6.19, the kernel has introduced a new ata driver to uniformly use the SATA/PATA hard drive with/dev/sd? So/dev/HD? There is no need to exist. Specifically, you

List of installation of all drivers for r400 XP

TIPS:1. please install the driver in sequence. The downloaded driver is an executable file, but it is not installed only when the file is released. By default, it is released to C: in the/Drivers/win/*** directory, go to the file directory to continue the installation.2. before installing WINXP, you need to change the hard disk to compatible mode in the BIOS. Otherwise, the system will prompt that the hard disk or blue screen cannot be found during installation. The modification method is as fol

Problems with Sata mode adjustment (ahci/IRRT) of Dell e6400 and other models

To prevent operation exceptions, please complete the repostAs the main series of Dell Business Machines, Dell Latitude E has many brand-new features not available in series D.The hard disks of the eseries are no exception. After IRRT is added, three modes are available in the eseries BIOS: "IRRT, one is "ATA mode" (compatible mode, which maps SATA hard disks to the system's ide channel), and the third is "ahci" mode.ATA and ahci are clear to everyone.

Linux smartmontools and linuxsmartmontools

Linux smartmontools and linuxsmartmontools Smartmontools is an open-source Disk control and monitoring tool that runs on Linux, Unix, BSD, Solaris, Mac OS, OS/2, Cygwin, and Windows, it can also run from the boot disc or boot floppy disk, supporting ATA/ATAPI/SATA-3 (to-8) bit hard disk and SCSI hard disk, as well as tape equipment, its hometown is smartmontools.sourceforge.net. In fact, it is a software package, including two utilities: smartctl and

DRBD integrated heartbeat for automatic selection of main and automatic mounts

:cs:connected ro:secondary/secondary ds:uptodate/uptodate C r-----ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0Show results as from----from stateIt is now necessary to manage DRBD through heartbeat, one of which is promoted to the primary state, and the/etc/ha.d/haresources file needs to be modified[Email protected]/]# cat/etc/ha.d/haresourcesData-1-1 drbddisk::d ata ipaddr::10.0.0.17/24/eth0Data-1-2 Ipaddr::10.0.0.18/24/eth0[Email

Common CentOS Commands

Size used priority/dev/sda3 Partition 2096472 0-1# hdparm-i/dev/hda # View disk parameters (for IDE devices only)[Email protected] ~]# hdparm-i/DEV/HDC/DEV/HDC:Model=vmware Virtual IDE CDROM Drive, fwrev=00000001, serialno=10000000000000000001config={softsect Fixed removeable dtrrawchs=0/0/0, Trksize=0, sectsize=0, eccbytes=0Bufftype=unknown, BUFFSIZE=32KB, maxmultsect=0(maybe): curchs=0/0/0, Cursects=0, Lba=yes, lbasects=0Iordy=on/off, tpio={min:120,w/iordy:120}, tdma={min:120,rec:120}PIO mode

How CentOS can view specific information such as the hard drive brand model

First use the SMARTCTL--ALL/DEV/SDA directive to check the hard disk information, the command CentOS comes with, the results may be as follows:sm Artctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-358.el6.x86_64] (local build) Copyright (C) 2002-12 by Bruce Allen, H Ttp://smartmontools.sourceforge.net = = = START of Information section = = = Device Model: WDC Wd20ezrx-00dc0b0 Serial Number: wd-wmc301111333 LU WWN Device id:5 0014ee 601111622 Firmware VERSION:80.00A80 User Capacity: 2,0

Freebsd compiler kernel

Pseudofs # Pseudo-filesystem FrameworkOptions Geom_gpt # GUID Partition Tables.Options compat_43 # Compatible with BSD 4.3 [KEEP this!]Options Compat_freebsd4 # Compatible with FreeBSD4Options Compat_freebsd5 # Compatible with FreeBSD5#options scsi_delay=5000 # DELAY (in ms) before probing SCSIOptions Ktrace # Ktrace (1) Support#options SYSVSHM # Sysv-style Shared memory#options sysvmsg # Sysv-style message queuesOptions Sysvsem # Sysv-style semaphoresOptions _kposix_priority_scheduling # POSIX

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