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[转载]ZTE Blade / San Francisco 介绍
Introduction
Since the advent of Android in 2009, the family of devices running Google’s mobile OS has grown from one handset to now hundreds and possibly thousands of unique models. In recent months, Android has seen an explosion of devices coming from lesser-known Asian manufacturers, with one of the main selling points being price. The manufacturers realized that with Android they had a readily and freely accessible operating system, a large market of potential customers, and all they had to do was put together a cheap device to capitalize on Android’s continued growth. Unfortunately, these devices often cut corners where things mattered the most – poor displays, resistive touchscreens, bad build quality and a litany of other crimes against the gods of consumer electronics.
One phone has stepped forward and separated itself from the rabble. The ZTE Blade, unveiled to but a murmur of interest at MWC2010 in February, has now made the existential leap from China to the United Kingdom, assuming a new identity as the Orange San Francisco. It is unclear what the relevance of the Californian city’s name to this device is, but Orange have established a pattern of naming their rebranded phones after American cities. Retailing at a mere £99 ($160) on pre-pay, you would be forgiven for lumping in the Blade with a whole host of other must-try-harders and moving on. However, take a closer look at the Blade’s spec sheet and your interest may be piqued…
Hardware
The most striking thing about the Blade is its OLED display. In a time where manufacturers are being forced to switch to alternative display technologies such as Super-LCD, it is a miracle to see a device released with an OLED screen, let alone one at this price. At 3.5″, the WVGA (800 x 480) resolution provides an exemplary 270 DPI pixel density, making text and images nice and crisp. Detractors of the PenTile screen matrix technology will be disappointed to find that it is employed on this screen as it has been on previous OLED Android phones, and if you look very closely you may see some fringing around white pixels. A certain pink-tinge can also be detected on whites and greys when coming from another device, but after extended use the tinting is not noticeable. Despite these negative points, the screen is very impressive overall, and is a welcome high-spec feature when a lower quality display could have easily been included.
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[分享]DD-WRT使用QOS和限速命令
假设路由器下有4个用户,分别拥有IP地址192.168.1.11 ~ 192.168.1.14。
1。打开QoS界面,选择“WAN”、“HTB”,填入带宽的80%左右。假设是2M ADSL,这里就填上行200,下行1600
2。在Netmask Priority中,添加IP地址(把不同IP设置为不同的优先级,以便后续修改):
192.168.1.11/32 (Premium)
192.168.1.12/32 (Express)
192.168.1.13/32 (Standard)
192.168.1.14/32 (Bulk)
3。点击Apply Settings,保存一下QoS页面的设置
4。打开Administration,Management,启用Cron,然后在后面的文本框中填入下面的代码:
* * * * * root tc class replace dev imq0 parent 1:2 classid 1:10 htb rate 400kbit ceil 1600kbit
* * * * * root tc class replace dev imq0 parent 1:2 classid 1:20 htb rate 400kbit ceil 1600kbit
* * * * * root tc class replace dev imq0 parent 1:2 classid 1:30 htb rate 400kbit ceil 1600kbit
* * * * * root tc class replace dev imq0 parent 1:2 classid 1:40 htb rate 400kbit ceil 1600kbit* * * * * root tc class replace dev ppp0 parent 1:2 classid 1:10 htb rate 50kbit ceil 200kbit
* * * * * root tc class replace dev ppp0 parent 1:2 classid 1:20 htb rate 50kbit ceil 200kbit
* * * * * root tc class replace dev ppp0 parent 1:2 classid 1:30 htb rate 50kbit ceil 200kbit
* * * * * root tc class replace dev ppp0 parent 1:2 classid 1:40 htb rate 50kbit ceil 200kbit
5。点击Apply Settings,然后点击Reboot重启路由器,于是大功告成了,限速设置完毕
6。一点说明:
注意一下上面的代码中的红色数字,左边是保障的带宽,而右边是最大限制带宽。上4行定义的是下载流量,下4行定义的是上传流量。4行分别重新定义了Premium / Express / Standard / Bulk的具体设置。所以读者只要按需更改数值就行了。
路由器要控制上传流量很容易,但是控制下载流量,尤其是基于UDP的下载流量,本质上就是非常困难的,这也是QoS并不那么简单,也常常并不十分有效的原因。
简单的脚本命令来实现DD-WRT上的DoS保护
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
echo 1 > /proc/sys/net/ipv4/ip_forward# 下面两个注释掉的参数会影响eMule等软件, 请自行调试后决定是否开启.
#echo 1024 > /proc/sys/net/ipv4/ipfrag_high_thresh
#echo 512 > /proc/sys/net/ipv4/ipfrag_low_thresh
echo 64000 > /proc/sys/net/ipv4/ipfrag_high_thresh
echo 48000 > /proc/sys/net/ipv4/ipfrag_low_threshecho 10 > /proc/sys/net/ipv4/ipfrag_time
echo 5 > /proc/sys/net/ipv4/icmp_ratelimit
echo 1 > /proc/sys/net/ipv4/tcp_syncookies
echo 0 > /proc/sys/net/ipv4/conf/eth1/accept_source_route
echo 0 > /proc/sys/net/ipv4/conf/eth1/accept_redirects
echo 1 > /proc/sys/net/ipv4/conf/eth1/log_martians
echo 10 > /proc/sys/net/ipv4/neigh/eth1/locktime
echo 0 > /proc/sys/net/ipv4/conf/eth1/proxy_arp
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[分享]DD-WRT限速脚本
#!/bin/sh# Coyote local command init script#脚本里面的kbps非服务提供商所说的kbps。这里的kbps=kb # 定义进出设备(如果不是ADSL拨号用户可以把ppp0改为eth1)ODEV="ppp0"IDEV="eth0" # 定义总的上下带宽UP="64kbps"DOWN="220kbps" # ...
霸王硬上弓
Back to main menu 菜单显示什么sswcdma
博主能否指导一下,谢谢sswcdma
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SubMenu: Load files ==霸王硬上弓
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加载数据库sswcdma
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