Friday, June 6, 2008

Mini-centronics: Hewlett Packer Users Beware

As computer manufacturers begin to phase out old standards (e.g. IEEE 1284, RS-232), there is an increasingly large base of computer users who want to use their old Hewlett-Packer parallel printer with newer USB-only laptop and desktop systems. They purchase a USB to Parallel adapter, only to find that the parallel end doesnt fit on their HP printer. What's the problem?

In 1992, citing compact size and a simple connection to the printer, Hewlett-Packer decided to go with the IEEE 1284C connector, also known as mini- or micro-centronics. However, this connection has proved to be largely unpopular with other manufacturers, resulting in an interface that is nearly unique to HP printers.

As the IEEE 1284 standard became outdated in favor of USB, adapters sprang up to fill the gap between the older parallel printers and newer USB-only computers. However, manufacturers of these adapters went with the most popular printer connector: CEN-36 or centronics, which is considerably larger in size, although comparable in capability to the mini-centronics connection. So where does this leave those with old but useable mini-centronics parallel HP printers?

The answer is found in the centronics to mini-centronics adapter. This adapter converts a larger-sized centronics connection to the smaller, more compact mini-centronics end, allowing people to connect their parallel HP printers to their newer computers. A word of caution: the USB to parallel adapter is still necessary to complete the connection because the conversion from parallel to USB must still be made.

The contronics to mini-centronics adapter is a niche product that can be difficult to find, but it represents the best solution for those wanting to hold on to that old HP printer.

Nathan Kartchner is a product development rep for Sewell Direct, an online retailer of hard-to-find computer connectivity products, like the USB to Parallel adapter.

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Check Broadband Speed - Check Result

So, I believe you have made several tests from speedtest. Now, let's start to check broadband speed results.

Results Menu

You will easily find a menu on top of the website after you finish your broadband speed check.

* My Results: Will show all your broadband speed check result as a history list.

* My Summary: Will analyze your test result history and give you some summary information.

* Global Stats: We will discuss this part later.

Results History

Firstly, you will see all your broadband speed check result history on the list like the following picture.

This result will show your ISP company name and IP address. This list has 8 columns which have all the detail information about your broadband speed check result.

* Date: Your testing date

* IP Address: Your Computer's IP Address

* Download: Your computer's Download speed

* Upload: Upload speed from your computer

* Latency: the response time after you click on the "Test" button.

* Server: The Test server you have chosen. e.g. San Francisco, CA

* Distance: The distance between test server and your home computer.

* Share: See whether this result is shared with others or not.

Compare Results

Moreover, you can also compare or filter your previous broadband speed Check result.

There is a toolbar above the Test result panel.

* Hide Result Before: this will let you filter your broadband speed Check result by date.

* Preferred Server: You can select the server around the world.

* Timezone: Select your own time zone.

* Date Format: Select your preferred date format.

* Distance Measure: You can choose "miles" or "km" here.

* Speed Measure: kilobits/kilobyte, megabits/megabyte. (Note: 1 megabit = 106 = 1,000,000 bits which is equal to 125,000 bytes or 125 kilobytes.)

The megabit is most commonly used when referring to data transfer rates in network speeds, e.g. a 100 Mbit/s (megabit per second) Fast Ethernet connection. --- Wikipedia.org

Share Your Detail Results

Speedtest will display a detail panel result when you click on every record. But the cool thing is that you can share your result as well.

Simply copy the text in the following textboxes and put it into your blog as html format, then you can share your broadband speed Check Result with your friends.

Wish you have fun when you check broadband speed.

Tony Joy, a blogger who wants to introduce Broadband basics for beginners.

Click here for his Broadband Speedup Blog

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Check Broadband Speed - Check Result

So, I believe you have made several tests from speedtest. Now, let's start to check broadband speed results.

Results Menu

You will easily find a menu on top of the website after you finish your broadband speed check.

* My Results: Will show all your broadband speed check result as a history list.

* My Summary: Will analyze your test result history and give you some summary information.

* Global Stats: We will discuss this part later.

Results History

Firstly, you will see all your broadband speed check result history on the list like the following picture.

This result will show your ISP company name and IP address. This list has 8 columns which have all the detail information about your broadband speed check result.

* Date: Your testing date

* IP Address: Your Computer's IP Address

* Download: Your computer's Download speed

* Upload: Upload speed from your computer

* Latency: the response time after you click on the "Test" button.

* Server: The Test server you have chosen. e.g. San Francisco, CA

* Distance: The distance between test server and your home computer.

* Share: See whether this result is shared with others or not.

Compare Results

Moreover, you can also compare or filter your previous broadband speed Check result.

There is a toolbar above the Test result panel.

* Hide Result Before: this will let you filter your broadband speed Check result by date.

* Preferred Server: You can select the server around the world.

* Timezone: Select your own time zone.

* Date Format: Select your preferred date format.

* Distance Measure: You can choose "miles" or "km" here.

* Speed Measure: kilobits/kilobyte, megabits/megabyte. (Note: 1 megabit = 106 = 1,000,000 bits which is equal to 125,000 bytes or 125 kilobytes.)

The megabit is most commonly used when referring to data transfer rates in network speeds, e.g. a 100 Mbit/s (megabit per second) Fast Ethernet connection. --- Wikipedia.org

Share Your Detail Results

Speedtest will display a detail panel result when you click on every record. But the cool thing is that you can share your result as well.

Simply copy the text in the following textboxes and put it into your blog as html format, then you can share your broadband speed Check Result with your friends.

Wish you have fun when you check broadband speed.

Tony Joy, a blogger who wants to introduce Broadband basics for beginners.

Click here for his Broadband Speedup Blog

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