RAM – DDR3 Speed Ratings

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The following are DDR3 Speed Ratings:

Core RAM Clock Speed DDR I/O Speed DDR3 Speed Rating PC Speed Rating
100MHz 400MHz DDR3-800 PC3-6400
133MHz 533MHz DDR3-1066 PC3-8500
166MHz 667MHz DDR3-1333 PC3-10667
200MHz 800MHz DDR3-1600 PC3-12800

RAM – DDR2 Speed Ratings

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The following are common DDR2 Speeds:

Core RAM Clock Speed DDR I/O Speed DDR2 Speed Rating PC Speed Rating
100MHz 200MHz DDR2-400 PC2-3200
133MHz 266MHz DDR2-533 PC2-4200
166MHz 333MHz DDR2-667 PC2-5300
200MHz 400MHz DDR2-800 PC2-6400
250MHz 500MHz DDR2-1000 PC2-8000

RAM – DDR Speed Ratings

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The following table contains DDR Speed Ratings

Clock Speed DDR Speed Rating PC Speed Rating
100MHz DDR200 PC1600
133MHz DDR266 PC2100
166MHz DDR333 PC2700
200MHz DDR400 PC3200
217MHz DDR433 PC3500
233MHz DDR466 PC3700
250MHz DDR500 PC4000
275MHz DDR550 PC4400
300MHz DDR600 PC4800

How to check if an Email Address Exists

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A lot of the time you email someone and suddenly there’s a bounce back or System’s Administrator reply’s back saying something along the lines of mail didn’t go through to the following recipients etc…

Example of correctly formatted email address – Still wrong:

joe.blogs@reddit.com (VALID but still does not exist)

The above may occur when the end-user took down the wrong email via Phone or while typing

 

Solution:

The check below can be implemented in most programming languages incl PHP, Python etc.

1st Step – Find Mail exchanger of reddit.com

COMMAND:
nslookup -q=mx reddit.com
RESPONSE:
reddit.com      MX preference = 10, mail exchanger = mail.reddit.com

2nd Step – Connect to mail server mail.reddit.com

COMMAND:
telnet mail.reddit.com 25
RESPONSE:
250 mail.reddit.com

COMMAND:
mail from: <youremail@gmail.com>
RESPONSE:
250 2.1.0 Ok

COMMAND:
rcpt to: <joe.blogs@reddit.com>
RESPONSE:
550 5.1.1 <joe.blogs@reddit.com>: Recipient address rejected: User unknown in local recipient table

COMMAND:
quit
RESPONSE:
221 2.0.0 Bye

How to change License key for MS Office 2004 for Mac OS

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Changing this can be relatively easy but you’ll need to use Terminal. The File we’re aiming to delete is the OfficePID.

Open up your Applications folder, go to Utilities folder and double-click on Terminal. You’ll want to move into the following directory:

/Applications/Microsoft Office 2004/

In Terminal type the following

cd “/Applications/Microsoft Office 2004/”

Make sure you aren’t running any office application at this point!

go one directory deeper ie. Office and delete the Office PID file.

cd Office

rm OfficePID

 

Now close off Terminal and open up Word or Excel. You will now(hopefully) be prompted to enter in your license key and credentials

Welcome to Londoner Online

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LondonerOnline has undergone some maintenance in the past week and will be fully functional soon.

Mobile’ phone’s centenery

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Photographs of the world’s first “wireless telephone” have revealed that it was not quite as mobile as its modern counterparts.Invented by Nathan Stubblefield in 1908, the device came complete with an unwieldy metal transmitter.

A far cry from the tiny mobile phones in use today, the telephone was made up of a system of wire suspended between metal rods with the transmitter placed on a train carriage or boat.

When the vehicle neared, a signal was sent through the air to the telephone using magnetic fields. It could be heard near the other end of the wire through another phone.
One hundred years on, Stubblefield is finally being recognised as the inventor of the mobile phone. Just 30 years after the first proper long-distance phone network was set up, the Kentucky melon farmer was awarded the patent for his “wireless telephone”.

Stubblefield created the “portable” phone after managing to send his and his son’s voices between early telephones through the ground and even through water.

His device never caught on but now he is being honoured with his very own page on the Virgin Mobile website to mark the anniversary of his creation.

Virgin’s founder Sir Richard Branson said: “Nathan is the father of the mobile phone and I’m thrilled we can celebrate the 100-year anniversary of his invention that in some way went on to change the way the world communicates.”

Vatican Buys Palm for $800 Million

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>ROME (Agencies) – The Vatican has bought Palm Inc. in an $800-million cash, stock, and souls deal, a move that analysts are calling a bold bid to reconvert the Catholic Church into the number one mobile operator for communication with God. The purchase is the culmination of Pope Benedict XVI’s new push into the mobile arena.

..Read further

Social Network for Hackers

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Hackers now have their own social network, backed by GnuCitizen, a high-profile “ethical hacking” group.

The network, called House of Hackers, has signed up more than 1,000 members since its launch earlier this week, according to the site.

GnuCitizen set up the network to promote collaboration among security researchers. The site’s founders said they use “hacker” in the positive sense.

The term “should all express admiration for the work of the most skilled, creative, clever, unique, provocative, intelligent, intense, intriguing and interesting people among the human society,” said GnuCitizen in a message on the House of Hackers Web site…

Read further

Core 2 Extreme

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Conroe XE – 65nm
27 July 2006:
Desktop Extreme Edition CPU (SMP support restricted to 2 CPUs)
same features as Conroe
LGA775
Variants
Core 2 Extreme X6800 – 2.93 GHz (4 MB L2, 1066 MHz FSB)

Kentsfield – 65nm
13 December 2006:
Two dual-core cpu dies in one package.
Number of Transistors 586 Million
Socket 775
Variants
Core 2 Extreme QX6850 – 3 GHz (2×4 MB L2 Cache, 1333 MHz FSB)
Core 2 Extreme QX6800 – 2.93 GHz (2×4 MB L2 Cache, 1066 MHz FSB) (Apr 9th 07)
Core 2 Extreme QX6700 – 2.66 GHz (2×4 MB L2 Cache, 1066 MHz FSB) (Nov 14th 06)

Yorkfield – 45nm
Die shrink of Kentsfield
Contains 2x Wolfdale dual core dies in one package
Same features as Wolfdale
Number of Transistors 820 Million
Variants
Core 2 Extreme QX9770 – 3.2 GHz (2×6 MB L2, 1600 MHz FSB)
Core 2 Extreme QX9650 – 3 GHz (2×6 MB L2, 1333 MHz FSB)

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