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Author Topic: CF card sector size  (Read 4221 times)
squirrel
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« on: April 11, 2012, 05:11:34 AM »
Does anyone know the correct sector size for a 1GB CF card for WMS games?  Also how many KB should the file be?  Driving me crazy recently.  Thanks in advance
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jdkmunch
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« Reply #1 on: May 03, 2012, 09:11:59 PM »
I have to look it up for you - but you may be able to find it out through google quicker  -  the standard WMS BB1 game uses a Sandisk 256Mb card.   Each CF manufacture has a different number of sectors and sector size known as a drive geometry.    If you purchase a sandisk cf card from eBay or someplace else it must be genuine.   China fakes have a different geometry. 

When the BB boots up the OS checks each CF card to make sure they are "genuine" through the geometry.       I have successfully changed the geometry in Linux, (haven't found a winblows equivalent), of these china fakes to make the BB boot -  HOWEVER  -  the read/write time of these fakes are much slower from the real thing.   Although I was able to get the game to boot and play - it made the machine crash frequently.   

my advice - DON'T DO IT.
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jdkmunch
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« Reply #2 on: May 05, 2012, 10:52:04 PM »
The correct geometry for a 256 cf card is 995/8/63 [501760 sectors]
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