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SheevaPlug

    sheevaplug-marvell-plug-pc01.jpgSheevaPlug 是目前可以安裝完整版 Linux 的最迷你硬體,CPU 是由 Marvell 設計開發,基於 ARM 架構,主要規格如下:

    • CPU 處理器:Marvell RISC Architecture ARM 1.2 GHz
    • RAM 記憶體:DDR2 512MB
    • NAND FLASH:512MB
    • 可開機儲存介面:USB2.0 x1, SDHC x1
    • 1000/100 網路
    • 平均電源消耗 5W
    • 系統支援 Linux 2.6.x
    • 預設作業系統 Ubuntu
    • 連接介面:Gigabit Network x1, JTAG mini USB
    • 外觀尺寸:110mm (L) x 69.5mm (W) x 48.5 mm (H)
       

    Plug Computer 因為可以安裝完整版 Linux,所以可以作很多不同應用,例如多媒體家用伺服器、檔案下載中心、個人網站伺服器等等,當然也包含筆者較擅長的 IP PBX 應用。硬體原開發公司 Marvell 近期也宣佈已經成功銷售了一萬台 Plug Computer,同時為此也舉辦了創意應用設計大賽,活動主題就稱為 "free your imagination",詳細請前往 http://plugcomputer.org/

    要在這個 Plug Computer 硬體上作任何的應用,必須注意:應用軟體必須可以在 ARM CPU 運行,其餘的就和 x86 架構一樣開放。
    目前已有網友使用 Plug Computer 整合了 Asterisk 的應用,而且也掛上 FreePBX 管理介面套件,有興趣的人可以前往
    http://www.plugpbx.org/

    硬體元件示意圖

    SheevaPlug-Diagram.png

    SheevaPlug 更多介紹:

    如何開始

    當你購買 SheevaPlug 時,機器上已內建有 Ubuntu 作業系統,安裝在內建的 512MB NAND Flash。

    SSH Login: root / nosoup4u

    使用 mini-USB 登入 SheevaPlug

    由於 SheevaPlug 無法直接連結螢幕,更無法接上鍵盤,所以要登入內建的 Ubuntu,有兩種方法:

    1. 網路上有 DHCP Server,且有權限可以讀取 IP 租用的紀錄。
      Ubuntu 的網路設定預設為 DHCP 模式,透過讀取網路上的 DHCP Server 的 IP 租用紀錄,找出 SheevaPlug 所租用 IP 位址,然後使用 PuTTY 以 SSH 模式連結 SheevaPlug。
    2. 以 Windows 操作而言,安裝 FTDI 2232 驅動程式,使 Windows 可以透過 mini-USB cable 以 RS232 模式登入 SheevaPlug;以 Linux 操作者,請參考這篇 Serial terminal

    由於第一項實用性較低,本章節將以第二項操作為主要說明內容:

    // 下載 FTDI 2232 Driver

    SheevaPlug_Host_SWsupportPackageWindowsHost1.2.zip

    Driver 安裝方式是,將壓縮檔解壓縮,然後將 SheevaPlug 插上電源,並與 WindowsXP 用 mini-USB 連接,此時 WindowsXP 會偵測到有新裝置,並出現安裝驅動程式的視窗,選擇手動安裝,並將目錄指向剛剛解壓縮的檔案目錄,若一切正常,會陸續有三次的驅動安裝,每次都指向同個目錄即可;若在這裡,WindowsXP 始終沒有偵測到適合的驅動程式,請改用本站所修改的 driver。

    // 找出虛擬的 COM 裝置名稱
    將 SheevaPlug 插上電源,並與 WindowsXP 用 mini-USB 連接。
    WindowsXP > 開始 > 設定 > 控制臺 > 效能及維護 > 系統管理工具 > 電腦管理 > 裝置管理員

    連接埠 (COM 和 LPT)
    --> USB Serial Port (COM9)

    NOTE: 這裡所顯示的 COM9,編號在不同電腦下可能會有所不同。

    // 以 PuTTY 軟體登入系統
    開啟 PuTTY,

    Connection type : Serial
    Serial line : COM9
    Speed : 115200

    連接後若出現黑畫面,多按幾次 Enter,若正常會出現 debian 登入提示。

    內建的 Ubuntu 作業系統資訊

    // 作業系統版本

    [email protected]:~# cat /etc/lsb-release
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=9.04
    DISTRIB_CODENAME=jaunty
    DISTRIB_DESCRIPTION="Ubuntu jaunty (development branch)"
    
    [email protected]:~# uname -a
    Linux debian 2.6.22.18 #1 Thu Mar 19 14:46:22 IST 2009 armv5tejl GNU/Linu
    

    // CPU

    [email protected]:~# cat /proc/cpuinfo
    Processor       : ARM926EJ-S rev 1 (v5l)
    BogoMIPS        : 1192.75
    Features        : swp half thumb fastmult edsp
    CPU implementer : 0x56
    CPU architecture: 5TE
    CPU variant     : 0x2
    CPU part        : 0x131
    CPU revision    : 1
    Cache type      : write-back
    Cache clean     : cp15 c7 ops
    Cache lockdown  : format C
    Cache format    : Harvard
    I size          : 16384
    I assoc         : 4
    I line length   : 32
    I sets          : 128
    D size          : 16384
    D assoc         : 4
    D line length   : 32
    D sets          : 128
    
    Hardware        : Feroceon-KW
    Revision        : 0000
    Serial          : 0000000000000000
    

    // RAM

    [email protected]:~# cat /proc/meminfo
    MemTotal:       515636 kB
    MemFree:        486128 kB
    Buffers:             0 kB
    Cached:          12352 kB
    SwapCached:          0 kB
    Active:          10400 kB
    Inactive:         6316 kB
    SwapTotal:           0 kB
    SwapFree:            0 kB
    Dirty:               0 kB
    Writeback:           0 kB
    AnonPages:        4380 kB
    Mapped:           2804 kB
    Slab:             9844 kB
    SReclaimable:      796 kB
    SUnreclaim:       9048 kB
    PageTables:        216 kB
    NFS_Unstable:        0 kB
    Bounce:              0 kB
    CommitLimit:    257816 kB
    Committed_AS:     8576 kB
    VmallocTotal:   122880 kB
    VmallocUsed:       564 kB
    VmallocChunk:   122296 kB
    
    

    // Installed Package

    [email protected]:~# dpkg -l
    Desired=Unknown/Install/Remove/Purge/Hold
    | Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
    |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
    ||/ Name           Version        Description
    +++-==============-==============-============================================
    ii  adduser        3.110ubuntu2   add and remove users and groups
    ii  apt            0.7.19ubuntu1  Advanced front-end for dpkg
    ii  apt-utils      0.7.19ubuntu1  APT utility programs
    ii  base-files     5ubuntu1       Debian base system miscellaneous files
    ii  base-passwd    3.5.19         Debian base system master password and group
    ii  bash           3.2-4ubuntu1   The GNU Bourne Again SHell
    ii  belocs-locales 2.4-4ubuntu2   tools for compiling locale data files
    ii  bsdutils       1:2.14-1ubuntu Basic utilities from 4.4BSD-Lite
    ii  busybox-initra 1:1.10.2-2ubun Standalone shell setup for initramfs
    ii  bzip2          1.0.5-1ubuntu1 high-quality block-sorting file compressor -
    ii  ca-certificate 20080809       Common CA certificates
    ii  console-setup  1.28ubuntu4    Set up the font and the keyboard on the cons
    ii  console-termin 4.26-2.1       Fixed-width fonts for fast reading on the Li
    ii  coreutils      6.10-6ubuntu1  The GNU core utilities
    ii  cpio           2.9-14ubuntu1  GNU cpio -- a program to manage archives of
    ii  cron           3.0pl1-105ubun management of regular background processing
    ii  cryptsetup     2:1.0.6-7ubunt configures encrypted block devices
    ii  dash           0.5.4-12ubuntu POSIX-compliant shell
    ii  debconf        1.5.24ubuntu2  Debian configuration management system
    ii  debconf-i18n   1.5.24ubuntu2  full internationalization support for debcon
    ii  debianutils    2.30ubuntu2    Miscellaneous utilities specific to Debian
    ii  dhcp3-client   3.1.1-5ubuntu1 DHCP client
    ii  dhcp3-common   3.1.1-5ubuntu1 common files used by all the dhcp3* packages
    ii  diff           2.8.1-12ubuntu File comparison utilities
    ii  dmsetup        2:1.02.27-4ubu The Linux Kernel Device Mapper userspace lib
    ii  dosfstools     3.0.1-1        utilities for making and checking MS-DOS FAT
    ii  dpkg           1.14.24ubuntu1 Debian package management system
    ii  e2fslibs       1.41.3-1ubuntu ext2 filesystem libraries
    ii  e2fsprogs      1.41.3-1ubuntu ext2/ext3/ext4 file system utilities
    ii  eject          2.1.5+deb1+cvs ejects CDs and operates CD-Changers under Li
    ii  file           4.26-2         Determines file type using "magic" numbers
    ii  findutils      4.4.0-2ubuntu3 utilities for finding files--find, xargs
    ii  gcc-4.3-base   4.3.2-2ubuntu1 The GNU Compiler Collection (base package)
    ii  gnupg          1.4.9-3ubuntu1 GNU privacy guard - a free PGP replacement
    ii  gpgv           1.4.9-3ubuntu1 GNU privacy guard - signature verification t
    ii  grep           2.5.3~dfsg-6ub GNU grep, egrep and fgrep
    ii  gzip           1.3.12-6ubuntu The GNU compression utility
    ii  hashalot       0.3-5          Read and hash a passphrase
    ii  hostname       2.95           utility to set/show the host name or domain
    ii  ifupdown       0.6.8ubuntu15  high level tools to configure network interf
    ii  initramfs-tool 0.92bubuntu18  tools for generating an initramfs
    ii  initscripts    2.86.ds1-61ubu Scripts for initializing and shutting down t
    ii  iproute        20080725-2     networking and traffic control tools
    ii  iputils-ping   3:20071127-1   Tools to test the reachability of network ho
    ii  kbd            1.14.1-4ubuntu Linux console font and keytable utilities
    ii  klibc-utils    1.5.14-1~exp1u small utilities built with klibc for early b
    ii  klogd          1.5-5ubuntu2   Kernel Logging Daemon
    ii  language-pack- 1:8.10+2008102 translation updates for language English
    ii  language-pack- 1:8.10+2008102 translations for language English
    ii  laptop-detect  0.13.7ubuntu1  attempt to detect a laptop
    ii  less           418-1          Pager program similar to more
    ii  libacl1        2.2.47-2       Access control list shared library
    ii  libatm1        2.4.1-17.2     shared library for ATM (Asynchronous Transfe
    ii  libattr1       1:2.4.43-1     Extended attribute shared library
    ii  libblkid1      1.41.3-1ubuntu block device id library
    ii  libbz2-1.0     1.0.5-1ubuntu1 high-quality block-sorting file compressor l
    ii  libc6          2.9-0ubuntu7   GNU C Library: Shared libraries
    ii  libcap1        1:1.10-14build support for getting/setting POSIX.1e capabil
    ii  libcomerr2     1.41.3-1ubuntu common error description library
    ii  libcups2       1.3.9-11ubuntu Common UNIX Printing System(tm) - libs
    ii  libcurl3-gnutl 7.18.2-8ubuntu Multi-protocol file transfer library (GnuTLS
    ii  libdb4.2       4.2.52+dfsg-5  Berkeley v4.2 Database Libraries [runtime]
    ii  libdb4.6       4.6.21-12      Berkeley v4.6 Database Libraries [runtime]
    ii  libdb4.7       4.7.25-6ubuntu Berkeley v4.7 Database Libraries [runtime]
    ii  libdevmapper1. 2:1.02.27-4ubu The Linux Kernel Device Mapper userspace lib
    ii  libedit2       2.11~20080614- BSD editline and history libraries
    ii  libfribidi0    0.10.9-1       Free Implementation of the Unicode BiDi algo
    ii  libgcc1        1:4.3.2-2ubunt GCC support library
    ii  libgcrypt11    1.4.1-2ubuntu1 LGPL Crypto library - runtime library
    ii  libgnutls26    2.4.2-4        the GNU TLS library - runtime library
    ii  libgpg-error0  1.4-2ubuntu7   library for common error values and messages
    ii  libgpm2        1.20.4-3ubuntu General Purpose Mouse - shared library
    ii  libidn11       1.10-3         GNU libidn library, implementation of IETF I
    ii  libkeyutils1   1.2-9          Linux Key Management Utilities (library)
    ii  libklibc       1.5.14-1~exp1u minimal libc subset for use with initramfs
    ii  libkrb53       1.6.dfsg.4~bet MIT Kerberos runtime libraries
    ii  libldap-2.4-2  2.4.11-0ubuntu OpenLDAP libraries
    ii  liblocale-gett 1.05-4build1   Using libc functions for internationalizatio
    ii  liblockfile1   1.08-3         NFS-safe locking library, includes dotlockfi
    ii  liblzo2-2      2.03-1         data compression library
    ii  libmagic1      4.26-2         File type determination library using "magic
    ii  libncurses5    5.7+20081220-1 shared libraries for terminal handling
    ii  libncursesw5   5.7+20081220-1 shared libraries for terminal handling (wide
    ii  libnewt0.52    0.52.2-11.3ubu Not Erik's Windowing Toolkit - text mode win
    ii  libpam-modules 1.0.1-5ubuntu1 Pluggable Authentication Modules for PAM
    ii  libpam-runtime 1.0.1-5ubuntu1 Runtime support for the PAM library
    ii  libpam0g       1.0.1-5ubuntu1 Pluggable Authentication Modules library
    ii  libpcre3       7.8-2ubuntu1   Perl 5 Compatible Regular Expression Library
    ii  libpopt0       1.14-4         lib for parsing cmdline parameters
    ii  libreadline5   5.2-3build1    GNU readline and history libraries, run-time
    ii  libsasl2-2     2.1.22.dfsg1-2 Cyrus SASL - authentication abstraction libr
    ii  libsasl2-modul 2.1.22.dfsg1-2 Cyrus SASL - pluggable authentication module
    ii  libselinux1    2.0.65-5       SELinux shared libraries
    ii  libsepol1      2.0.30-2       Security Enhanced Linux policy library for c
    ii  libslang2      2.1.3-3ubuntu3 The S-Lang programming library - runtime ver
    ii  libsqlite3-0   3.5.9-6        SQLite 3 shared library
    ii  libss2         1.41.3-1ubuntu command-line interface parsing library
    ii  libssl0.9.8    0.9.8g-15ubunt SSL shared libraries
    ii  libstdc++6     4.3.2-2ubuntu1 The GNU Standard C++ Library v3
    ii  libtalloc1     1.2.0~git20080 hierarchical pool based memory allocator
    ii  libtasn1-3     1.5-1          Manage ASN.1 structures (runtime)
    ii  libtext-charwi 0.04-5build1   get display widths of characters on the term
    ii  libtext-iconv- 1.7-1build1    converts between character sets in Perl
    ii  libtext-wrapi1 0.06-6         internationalized substitute of Text::Wrap
    ii  libusb-0.1-4   2:0.1.12-13    userspace USB programming library
    ii  libuuid1       1.41.3-1ubuntu universally unique id library
    ii  libvolume-id1  136-4          volume identification library
    ii  libwbclient0   2:3.2.5-3ubunt client library for interfacing with winbind
    ii  libwrap0       7.6.q-16       Wietse Venema's TCP wrappers library
    ii  libx11-6       2:1.1.5-2ubunt X11 client-side library
    ii  libx11-data    2:1.1.5-2ubunt X11 client-side library
    ii  libxau6        1:1.0.4-1      X11 authorisation library
    ii  libxcb-xlib0   1.1-1.1        X C Binding, Xlib/XCB interface library
    ii  libxcb1        1.1-1.1        X C Binding
    ii  libxdmcp6      1:1.0.2-3      X11 Display Manager Control Protocol library
    rc  libxext6       2:1.0.4-1      X11 miscellaneous extension library
    rc  libxmuu1       2:1.0.4-1      X11 miscellaneous micro-utility library
    ii  locales        2.7.9-5        common files for locale support
    ii  lockfile-progs 0.1.11ubuntu2  Programs for locking and unlocking files and
    ii  login          1:4.1.1-6ubunt system login tools
    ii  logrotate      3.7.7-2ubuntu1 Log rotation utility
    ii  lsb-base       3.2-20ubuntu2  Linux Standard Base 3.2 init script function
    ii  lsb-release    3.2-20ubuntu2  Linux Standard Base version reporting utilit
    ii  lzma           4.43-14ubuntu1 Compression method of 7z format in 7-Zip pro
    ii  makedev        2.3.1-88       creates device files in /dev
    ii  mawk           1.3.3-13ubuntu a pattern scanning and text processing langu
    ii  mime-support   3.44-1         MIME files 'mime.types' & 'mailcap', and sup
    ii  mktemp         1.5-9          tool for creating temporary files
    ii  module-init-to 3.3-pre11-4ubu tools for managing Linux kernel modules
    ii  mount          2.14-1ubuntu4  Tools for mounting and manipulating filesyst
    ii  mtd-tools      20080508-1ubun dummy package for transition purposes
    ii  mtd-utils      20080508-1ubun Memory Technology Device Utilities
    ii  nano           2.0.7-4        free Pico clone with some new features
    ii  ncurses-base   5.7+20081220-1 basic terminal type definitions
    ii  ncurses-bin    5.7+20081220-1 terminal-related programs and man pages
    ii  net-tools      1.60-21ubuntu1 The NET-3 networking toolkit
    ii  netbase        4.34ubuntu1    Basic TCP/IP networking system
    ii  netcat         1.10-38        TCP/IP swiss army knife -- transitional pack
    ii  netcat-traditi 1.10-38        TCP/IP swiss army knife
    ii  ntpdate        1:4.2.4p4+dfsg client for setting system time from NTP serv
    ii  openssh-client 1:5.1p1-4ubunt secure shell client, an rlogin/rsh/rcp repla
    ii  openssh-server 1:5.1p1-4ubunt secure shell server, an rshd replacement
    ii  openssl        0.9.8g-15ubunt Secure Socket Layer (SSL) binary and related
    ii  passwd         1:4.1.1-6ubunt change and administer password and group dat
    ii  perl-base      5.10.0-19ubunt minimal Perl system
    ii  procps         1:3.2.7-9ubunt /proc file system utilities
    ii  python         2.5.2-3ubuntu1 An interactive high-level object-oriented la
    ii  python-minimal 2.5.2-3ubuntu1 A minimal subset of the Python language (def
    ii  python2.5      2.5.4-0ubuntu1 An interactive high-level object-oriented la
    ii  python2.5-mini 2.5.4-0ubuntu1 A minimal subset of the Python language (ver
    ii  readline-commo 5.2-3build1    GNU readline and history libraries, common f
    ii  samba          2:3.2.5-3ubunt a LanManager-like file and printer server fo
    ii  samba-common   2:3.2.5-3ubunt Samba common files used by both the server a
    ii  sed            4.1.5-8        The GNU sed stream editor
    ii  startup-tasks  0.3.9-8        definitions of essential tasks to run on sta
    ii  sudo           1.6.9p17-1ubun Provide limited super user privileges to spe
    ii  sysklogd       1.5-5ubuntu2   System Logging Daemon
    ii  system-service 0.3.9-8        definitions of essential system services
    ii  sysv-rc        2.86.ds1-61ubu System-V-like runlevel change mechanism
    ii  sysvinit-utils 2.86.ds1-61ubu System-V-like utilities
    ii  tar            1.20-1         GNU version of the tar archiving utility
    ii  tasksel        2.73ubuntu13   Tool for selecting tasks for installation on
    ii  tasksel-data   2.73ubuntu13   Official tasks used for installation of Debi
    ii  tcpd           7.6.q-16       Wietse Venema's TCP wrapper utilities
    ii  tzdata         2008i-3        time zone and daylight-saving time data
    ii  ubuntu-keyring 2008.03.04     GnuPG keys of the Ubuntu archive
    ii  ubuntu-minimal 1.131          Minimal core of Ubuntu
    ii  ucf            3.0011         Update Configuration File: preserve user cha
    ii  udev           136-4          rule-based device node and kernel event mana
    ii  unzip          5.52-12ubuntu1 De-archiver for .zip files
    ii  update-inetd   4.31           inetd configuration file updater
    ii  upstart        0.3.9-8        event-based init daemon
    ii  upstart-compat 0.3.9-8        compatibility for System-V-like init
    ii  upstart-logd   0.3.9-8        boot logging daemon
    ii  util-linux     2.14-1ubuntu4  Miscellaneous system utilities
    ii  uuid-runtime   1.41.3-1ubuntu universally unique id library
    ii  vim-common     2:7.2.079-1ubu Vi IMproved - Common files
    ii  vim-tiny       2:7.2.079-1ubu Vi IMproved - enhanced vi editor - compact v
    ii  whiptail       0.52.2-11.3ubu Displays user-friendly dialog boxes from she
    rc  x11-common     1:7.4~5ubuntu1 X Window System (X.Org) infrastructure
    ii  xkb-data       1.3-2ubuntu5   X Keyboard Extension (XKB) configuration dat
    ii  zlib1g         1:1.2.3.3.dfsg compression library - runtime 

    // Disk usage

    [email protected]:~# df -h
    Filesystem            Size  Used Avail Use% Mounted on
    rootfs                507M  148M  360M  30% /
    tmpfs                 252M     0  252M   0% /lib/init/rw
    varrun                252M   36K  252M   1% /var/run
    varlock               252M     0  252M   0% /var/lock
    udev                  252M  8.0K  252M   1% /dev
    tmpfs                 252M     0  252M   0% /dev/shm
    tmpfs                 252M     0  252M   0% /var/cache/apt
    
    [email protected]:~# mount
    rootfs on / type rootfs (rw)
    tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
    /proc on /proc type proc (rw,noexec,nosuid,nodev)
    sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
    varrun on /var/run type tmpfs (rw,nosuid,mode=0755)
    varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777)
    udev on /dev type tmpfs (rw,mode=0755)
    tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
    devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
    tmpfs on /var/cache/apt type tmpfs (rw,noatime) 
    

    // top

    top - 02:28:18 up  2:24,  1 user,  load average: 0.22, 0.15, 0.10
    Tasks:  34 total,   1 running,  33 sleeping,   0 stopped,   0 zombie
    Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
    Mem:    515636k total,    30784k used,   484852k free,        0k buffers
    Swap:        0k total,        0k used,        0k free,    13104k cached
    
      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
        1 root      18   0  2896 1896  576 S  0.0  0.4   0:51.94 init
        2 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kthreadd
        3 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0
        4 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 events/0
        5 root      20  -5     0    0    0 S  0.0  0.0   0:00.01 khelper
       50 root      16  -5     0    0    0 S  0.0  0.0   0:00.00 kblockd/0
       53 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 khubd
       55 root      10  -5     0    0    0 S  0.0  0.0   0:00.06 kmmcd
       69 root      25   0     0    0    0 S  0.0  0.0   0:00.00 crypto
       70 root      25   0     0    0    0 S  0.0  0.0   0:00.00 crypto_ret
       75 root      20   0     0    0    0 S  0.0  0.0   0:00.00 pdflush
       76 root      15   0     0    0    0 S  0.0  0.0   0:00.86 pdflush
       77 root      15  -5     0    0    0 S  0.0  0.0   0:00.00 kswapd0
       78 root      15  -5     0    0    0 S  0.0  0.0   0:00.00 aio/0
      215 root      11  -5     0    0    0 S  0.0  0.0   0:00.06 mtdblockd
      216 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 nftld
      239 root      11  -5     0    0    0 S  0.0  0.0   0:00.00 kcryptd/0
    

    預設的 UBoot 版本

    U-Boot 1.1.4 (Mar 19 2009 - 16:06:59) Marvell version: 3.4.16

    NOTE:

    預設的 UBoot 版本不支援 SDHC 開機,必須先進行 UBoot 的升級,請參閱 U-Boot 升級

    F.A.Q

    不小心搞亂了 U-Boot 的設定,現在連 NAND 的 Ubuntu 都無法開機了?

    Ans : 重開機進入 U-Boot 模式,按以下操作:

    Marvell>> resetenv
    Marvell>> reset
    ...
    ...
    Marvell>> setenv bootcmd 'nand read.e 0x800000 0x100000 0x400000; bootm 0x800000'
    Marvell>> setenv bootargs console=ttyS0,115200 mtdparts=nand_mtd:[email protected](uImage),[email protected](rootfs) rw root=/dev/mtdblock1 rw
    Marvell>> saveenv
    Marvell>> reset
    
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    文件 3

    文件大小日期附件上傳者 
     CDM 2.04.16_SHEEVA.zip
    SheevaPlug USB Driver for WindowsXP
    815.4 KB18:50, 6 Nov 2010alang動作
    SheevaPlug-Diagram.png
    SheevaPlug Diagram
    119.86 KB15:22, 5 Jan 2013alang動作
     sheevaplug-marvell-plug-pc01.jpg
    SheevaPlug
    22.94 KB10:59, 29 Oct 2010alang動作
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