Blog of Travis Hydzik http://thydzik.com random snippets and information Tue, 07 May 2013 00:15:30 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 HP MicroServer N40L and Gigabit HD 6450 horizontal flickering line http://thydzik.com/hp-microserver-n40l-and-gigabit-hd-6450-horizontal-flickering-line/?utm_source=rss&utm_medium=rss&utm_campaign=hp-microserver-n40l-and-gigabit-hd-6450-horizontal-flickering-line http://thydzik.com/hp-microserver-n40l-and-gigabit-hd-6450-horizontal-flickering-line/#comments Tue, 07 May 2013 00:15:30 +0000 thydzik http://thydzik.com/?p=1326 I recently purchased a HP MicroServer N40L and half-height Gigabit Radeon HD 6450, after installing Windows 8 I noticed that a third from the screen was a flickering white horizontal line, noticeable when playing movies in full screen or moving … Continue reading

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I recently purchased a HP MicroServer N40L and half-height Gigabit Radeon HD 6450, after installing Windows 8 I noticed that a third from the screen was a flickering white horizontal line, noticeable when playing movies in full screen or moving the mouse around the right start bar.

The problem doesn’t lie with the MicroServer of Windows 8 (or even your monitor), it is the Gigabit Radeon HD 6450 at fault here. Luckily, there is a relatively easy fix, a BIOS update.

  1. Download Easy Boost (about half way down the page)
  2. Download the Easy Boost manual
  3. Install Easy Boost
  4. Follow the “VBIOS backup” procedure, you will also find your BIOS type either F1# or F2#, mine was F21
  5. Download the correct BIOS (F11 if you have F1# or F22 if you have F2#), you can also see the BIOS offers “Fixed screen flicker problem”
  6. Follow the “Flash VBIOS” procedure.
  7. Reboot

Thanks to this RedFlagDeals post for the procedure.

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Calculate last business day in month with Excel http://thydzik.com/calculate-last-business-day-in-month-with-excel/?utm_source=rss&utm_medium=rss&utm_campaign=calculate-last-business-day-in-month-with-excel http://thydzik.com/calculate-last-business-day-in-month-with-excel/#comments Tue, 02 Apr 2013 01:54:34 +0000 thydzik http://thydzik.com/?p=1316 Here is a quick post to calculate the last business day in a month taking into account holidays. This is useful for with finance calculations and wanting to know a bank’s last banking day in a month. =WORKDAY(EOMONTH(A2,0)+1,-1,holidays!A:A) Where; Cell … Continue reading

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Here is a quick post to calculate the last business day in a month taking into account holidays.

This is useful for with finance calculations and wanting to know a bank’s last banking day in a month.

=WORKDAY(EOMONTH(A2,0)+1,-1,holidays!A:A)

Where;

  • Cell A2 is the reference month cell
  • Range holidays!A:A is a list of holidays

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Tool to remove VGA/DVI mounting screws – 5mm Hex socket http://thydzik.com/tool-to-remove-vgadvi-mounting-screws-5mm-hex-socket/?utm_source=rss&utm_medium=rss&utm_campaign=tool-to-remove-vgadvi-mounting-screws-5mm-hex-socket http://thydzik.com/tool-to-remove-vgadvi-mounting-screws-5mm-hex-socket/#comments Fri, 08 Feb 2013 07:22:44 +0000 thydzik http://thydzik.com/?p=1295 I was salvaging a number of motherboards from a server and noticed that the VGA mounting screws were connected to the chassis. Done with time-consuming pliers I decided to investigate if there was a special tool to remove these screws. … Continue reading

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I was salvaging a number of motherboards from a server and noticed that the VGA mounting screws were connected to the chassis. Done with time-consuming pliers I decided to investigate if there was a special tool to remove these screws.
There isn’t, but a standard 5mm hex socket driver works perfectly.

Find it on eBay for a few dollars (including shipping).

Tool to remove VGA/DVI mounting screws - 5mm Hex socket
Tool to remove VGA/DVI mounting screws - 5mm Hex socket

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Home loans – Fixed vs. Variable interest rates http://thydzik.com/home-loans-fixed-vs-variable-interest-rates/?utm_source=rss&utm_medium=rss&utm_campaign=home-loans-fixed-vs-variable-interest-rates http://thydzik.com/home-loans-fixed-vs-variable-interest-rates/#comments Fri, 08 Feb 2013 01:08:21 +0000 thydzik http://thydzik.com/?p=1288 I saw an interesting chart on Canstar which plotted the history of RBA Cash Rate, variable and 3-year fixed interest rates. This data is all available on the Reserve Bank of Australia website, look for A2 and F2 statistics. I … Continue reading

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I saw an interesting chart on Canstar which plotted the history of RBA Cash Rate, variable and 3-year fixed interest rates. This data is all available on the Reserve Bank of Australia website, look for A2 and F2 statistics.

History of cash rate, variable and fixed

I thought I would take it a step further and determine from past history if the 3-year fixed or variable rate would have been a better choice at a given time. I always believe that choosing a 3-year fixed interest rate was like gambling, it could either work in your favour or not, I am curious to see if I am right.

Given monthly data for the variable interest rate, to calculate which would have been the better choice I average thirty-six months of future variable rates. Because it is constantly looking three-years into the future, it can be observed that the data finishes in February 2010.

3-year average future variable vs. 3-year fixed

What can be observed is that the fixed rate is sometimes a better option (when under the three-years future average) and sometimes it is worse. Pre 2000, the fixed was mostly a poor choice, post 2000 the fixed rate is lower most of the time.

Finally, a difference of the two and it can be seen that it really jumps back and forth between good and bad. If we take the average of the difference we get 0.41%, which means the 3-year fixed rate is generally an interest rate of 0.41% worse.

3-year average future variable vs. 3-year fixed difference

Out of 233 months, 121 months (or 52% of the time) the fixed had a worse off interest rate and 112 months (or 48% of the time) the fixed had a better interest rate.

However, if we look at the 121 months from 2000 onwards, the variable interest rate is better off by an average interest rate of 0.23% which occurs about two-thirds of the time.

In conclusion, 3-year fixed rates these days do seem to have a good chance of having a lower interest rate for the locked-in period. That combined with the advantage of having a non fluctuating interest rate makes it a good choice.
I still would avoid them though, fixed rates make it difficult to switch lenders due to the extra fees payable.

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Family Day, Doha Qatar http://thydzik.com/family-day-doha-qatar/?utm_source=rss&utm_medium=rss&utm_campaign=family-day-doha-qatar http://thydzik.com/family-day-doha-qatar/#comments Sun, 16 Dec 2012 10:48:47 +0000 thydzik http://thydzik.com/?p=1257 Family Day in Doha, Qatar is a common occurrence on Fridays (the weekend), were main shopping centres refuse entry to single males without family. There is quite obvious discrimination with south-east Asian and Indian males being always refused entry, whilst … Continue reading

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Family Day in Doha, Qatar is a common occurrence on Fridays (the weekend), were main shopping centres refuse entry to single males without family. There is quite obvious discrimination with south-east Asian and Indian males being always refused entry, whilst local and western men are not hassled when they enter.

I propose the following solution;
Family Day, Doha, Qatar

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ComputerSphere – modding the original base to include a DVD burner http://thydzik.com/computersphere-modding-the-original-base-to-include-a-dvd-burner/?utm_source=rss&utm_medium=rss&utm_campaign=computersphere-modding-the-original-base-to-include-a-dvd-burner http://thydzik.com/computersphere-modding-the-original-base-to-include-a-dvd-burner/#comments Sun, 02 Dec 2012 00:25:19 +0000 thydzik http://thydzik.com/?p=1251 I thought for a change in scenery, I would look at modding the original square base. The square base was an attachment that could be used to support the Videosphere, it wasn’t needed if the Videosphere was hanging. To keep … Continue reading

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I thought for a change in scenery, I would look at modding the original square base. The square base was an attachment that could be used to support the Videosphere, it wasn’t needed if the Videosphere was hanging. To keep with this idea, I decided to make the base a removable DVDRW drive, with a connection to a standard USB, the base could still be removed and was not essential to the operation.

The original Videosphere base after polishing

I purchased a slot load DVDRW drive from eBay for $50 and a USB slim laptop drive SATA adaptor for around $10.

Slot load DVD burner with USB adaptor

First I glued some wooden pieces to the inside of the base, and this provided me with mounting points.

Glued some wooden pieces for mounting supports

I created some brackets for the DVD drive from some quarter channel aluminium and a hacked older CD drive.

Brackets on the DVD burner for mounting

With the position of the DVDRW drive now know, I cut a slot into the plastic square base with a Dremel.

Rough cut of the slot on the base with a Dremel

Once the slot was large enough it was cleaned up with a file.

The slot on the base neatened up with a file

The DVD burner mounted inside the Videosphere’s base.

Mount the DVD burner into the Videosphere base

The work in progress.

The finished product

Next post I will look at fixing up the USB cable at adding some obligatory lighting to the base.

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Lazy Load v2 – delay image loading Nivo Slider v3 http://thydzik.com/lazy-load-v2-delay-image-loading-nivo-slider-v3/?utm_source=rss&utm_medium=rss&utm_campaign=lazy-load-v2-delay-image-loading-nivo-slider-v3 http://thydzik.com/lazy-load-v2-delay-image-loading-nivo-slider-v3/#comments Fri, 23 Nov 2012 01:29:32 +0000 thydzik http://thydzik.com/?p=1249 Nivo Slider is a great image slider which I recently implemented on one of my WordPress blogs, the problem with the current version is all images need to be loaded first prior to running the Nivo Slider JavaScript. After a … Continue reading

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Nivo Slider is a great image slider which I recently implemented on one of my WordPress blogs, the problem with the current version is all images need to be loaded first prior to running the Nivo Slider JavaScript.

After a bit of searching I found a fork by Lee Powers named Lazy Load, the update was for an older version of Nivo Slider which didn’t support responsive images.

After a bit of copy and pasting I managed to port Lazy Load to the updated Nivo Slider version.

Find the fork on Github.

For an example of Lazy Load v2 with 100 images in a Nivo Slider head over to SonyaandTravis.com.

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PHP eval equivalent to include http://thydzik.com/php-eval-equivalent-to-include/?utm_source=rss&utm_medium=rss&utm_campaign=php-eval-equivalent-to-include http://thydzik.com/php-eval-equivalent-to-include/#comments Tue, 13 Nov 2012 23:37:33 +0000 thydzik http://thydzik.com/?p=1209 The PHP include statement includes and evaluates a specific file, not what if we want to modify that file first before including, i.e. a version template file. Well this can be done with PHP eval. I file is included as … Continue reading

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The PHP include statement includes and evaluates a specific file, not what if we want to modify that file first before including, i.e. a version template file.

Well this can be done with PHP eval.

I file is included as follows;

include myfile.php

Using eval, we can achieve the same as above as follows;

$inc = file_get_contents('myfile.php');
eval("?>".$inc);

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MSI X79-GD65 (8D) and Intel i7 3820 Nightmare and SOIC BIOS replacement http://thydzik.com/msi-x79-gd65-8d-and-intel-i7-3820-nightmare-and-soic-bios-replacement/?utm_source=rss&utm_medium=rss&utm_campaign=msi-x79-gd65-8d-and-intel-i7-3820-nightmare-and-soic-bios-replacement http://thydzik.com/msi-x79-gd65-8d-and-intel-i7-3820-nightmare-and-soic-bios-replacement/#comments Sat, 10 Nov 2012 02:45:04 +0000 thydzik http://thydzik.com/?p=1201 After many countless hours and out-of-pocked expenses I thought I would share the experience of MSI’s X79-GD65 (8D) motherboard and the Intel i7 3820 CPU. The MSI X7-GD65 (8D) was purchased from PC Case Gear for $299, the Intel i7 … Continue reading

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After many countless hours and out-of-pocked expenses I thought I would share the experience of MSI’s X79-GD65 (8D) motherboard and the Intel i7 3820 CPU.

The MSI X7-GD65 (8D) was purchased from PC Case Gear for $299, the Intel i7 3820 for the same price.

Once it was all hooked up I got the following symptoms on power-up;

  • No video
  • CPU phase LED showing constant 3 bars
  • CPU fan spinning
  • No digits on the debug LCD
  • Unable the switch the computer without a hard shutdown on the PSU

After Googling it turns out that old BIOS’ that were shipped with the early boards are not compatible with the late model Intel i7 3820. This is not uncommon, as how can manufactures be expected to design for hardware that isn’t even released yet.

What annoyed me was the lack of options going forward to resolve this situation;

  • MSI have no means of claiming Warranty Internationally, they cop-out and chime to take it back to the store. What kind of company does that?
  • The BIOS chips are soldered on to the board, yes, you read that right, this saves them money. It now it isn’t a straight forward procedure to replace the chips, I will show you have you can do it further on.
  • The firmware updater requires a working CPU, even ASUS realise the need to be able to flash your BIOS with minimal hardware.
  • MSI recommend to purchase an Intel i7 3930k and then flash the BIOS, if I could afford a $550+ chip in the first place I wouldn’t have purchased the 3820.
  • Borrow a 3930, the problem is the Sandy Bridge hardware isn’t cost effective; it is rare for people to own these system.

So where did this leave me, with a $300 paper weight, I wasn’t going to give up so soon.

I spotted updated MSI X79-GD65 (8D) BIOS chips on eBay for $20 including shipping so decided to give it ago.

Have a look on YouTube for SOIC (the surface mount chip packaging) desoldering or SOIC removal with a hot-air gun.

I tried the first attempt desoldering, by running a piece of wire under the legs pulling on it once heated to lift it off the pad, unfortunately I removed one of the solder pads.

Fortunately, this board has two BIOS chips.

The second attempted was the hot-air gun approach, this was a lot easier, sprayed with hot air the chip can simply be removed.

The board now booted up which was a relief except only sometimes and I could never work out what was the reason. Searching the forums and there are others with the same problem, a Clear CMOS basically sometimes allows the board to boot.

I ended up getting rid of the board on eBay for $40, yes, I lost money, but I was happy to have it out of my life. And purchased an ASRock Extreme 4.

While I’m ranting, why do MSI place that giant Military Class III sticker on the socket protector, have you ever tried replacing the protector, you are bound to damage some pins in the process.

The faulty MSI X79-GD65 (8D) with old firmware
A red dot on the BIOS chip indicates an older firmware model
Remove the southerbridge heatsink to expose both the BIOS chips
The BIOS chip B removed from the PCB

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How do Chinese/Hong Kong sellers make money on eBay with 99c free shipping items? http://thydzik.com/how-do-chinesehong-kong-sellers-make-money-on-ebay-with-99c-free-shipping-items/?utm_source=rss&utm_medium=rss&utm_campaign=how-do-chinesehong-kong-sellers-make-money-on-ebay-with-99c-free-shipping-items http://thydzik.com/how-do-chinesehong-kong-sellers-make-money-on-ebay-with-99c-free-shipping-items/#comments Sun, 28 Oct 2012 06:41:14 +0000 thydzik http://thydzik.com/?p=1196 Over the years I have purchased a large number of items from eBay, many from China and Hong Kong, I also act as a seller on eBay. I started wondering how sellers could make an income from items being sold … Continue reading

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Over the years I have purchased a large number of items from eBay, many from China and Hong Kong, I also act as a seller on eBay. I started wondering how sellers could make an income from items being sold for 99 cents with free shipping.

After reading forums and researching, I thought it would be useful sharing this information.

I thought I would investigate two products, two that I have bought previously

  • a generic Nintendo DS stylus, and
  • a generic iPhone USB data cable

The cost of the product

Everyone one knows that phrase “Made in China’, China’s products are inexpensive do to lower labour costs and mass production of products which get exported all around the globe. But how cheap are these items, to give you an idea head to Alibaba.com, self described as source of “Manufacturers, Suppliers, Exporters, Importers, Buyers, Wholesalers, Products and Trade Leads”.

A Nintendo DS stylus made from ABS plastic the bulk price can range from around 5 cents per piece to as low as 3 cents for quantities over a thousand purchased.

Similarly, an iPhone USB data cable can range from 10 cents to 30 cents, again depending on quantity purchased.

So the actual product’s cost can vary from 1 percent to 30 percent.

Small padded envelopes can also be purchased in bulk for a few cents.

2x Nintendo DS stylus roughly 2 cent each

Postage

Let’s assume items are posted from Hong Kong, Hong Kong Post offers a bulk postage rate of $2.30 (Hong Kong Dollars) for a 20 gram item or $95 (Hong Kong Dollars) for unlimited items to the same destination (Country and City) not exceeding 1 kilogram.

The current (26th October 2012) exchange rate of 1 United States Dollar is 7.75035 Hong Kong Dollars. So to put the above postage costs into perspective, you can post 1 kilogram of items for $12.24 United States. If you were sending 20 gram packets, it would cost 25 cents each. The envelope to post the item weighs around 8 cents and the actual item from 2 grams to 30 grams.

But why does an international letter from Hong Kong cost less than it costs us to send a domestic letter? There a number of contributing theories,

  • High degree of automation, have you ever seen a hand written envelope arriving from Hong Kong? Probably not. The seller has already entered all the details online, the postal service just needs to scan the barcode, there is minimal human involvement.
  • Reciprocating postage agreements, countries have agreements with other countries on the basis of ‘you deliver our mail and we will deliver yours’. Now when was the last time you sent a package to Hong Kong, and now when was the last time you received a package from Hong Kong. There a significantly more received parcels, who pays to deliver these parcels, your local post office, how do they afford to deliver these parcels to your letter box, by increasing the costs to send parcels. Now you know why our postage rates are so much more expensive?
  • Bulk postage, Hong Kong is an aviation hub, owning the record for world’s busiest airport by cargo traffic. That small envelope you received was probably sharing the same plane with thousands of others destined to your city.

A typical envelope from Hong Kong

eBay and PayPal Fees

Now we get to the costs for using eBay and PayPal, we know these cost are high for the average sellers, eBay itself have stated they want a return of around 10% on every item sold. How do these particular sellers minimise costs?

PayPal Micropayments

PayPal offers a Micropayments account with a different fee system.

Instead of the normal 2.9% plus 30 cents for each transaction on a Business account, a Micropayments account offers 5% plus 5 cents for each transaction. What this means is that for transactions less than $12, it is more economical to use the Micropayments account.

Assume a 99 cent item, with a normal PayPal business account the fee would be 33 cents, but with the PayPal Micropayments account the fee would only be 10 cents, a 23 cent difference.

Here is an interesting fact, anything sold for less than 30 cents and received with PayPal Business account or 5 cents and received with PayPal Micropayments account and the seller hasn’t already made no profit.

PayPal normal account vs Micropayments account

eBay fees

To list an item costs 50 cents, but on that single listing there can be any quantity, for each item sold 7% of the sale price is applicable. Sellers are allowed to make changes to this listing, so the same listing can be used for a number of different items.

To put the eBay cost in perspective, on a 99 cent item it is roughly 7 cents on eBay fees alone.

Final Profit

So now we know all the costs associated with selling the item, what is the profit?

Adding all the selling costs, not including the cost of the actual product, we get 7 cents from eBay, 10 cents from PayPal, 3 cents for the envelope and 25 cents for postage at a total cost of 45 cents. Assuming the product can cost anywhere from 2 to 30 cents, the profit on a 99 cent item can range from 25 to 50 cents, or 25% to 50% net profit. No bad for a single item.

Let’s assume the seller is selling 10,000 items a year. That’s an income of $2,500 to $5,000 per year.  Increase the number of items offered, and that is quite a significant income.

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