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Author Topic: SD loading  (Read 679 times)

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Offline Hatta

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SD loading
« on: September 06, 2010, 10:37:04 AM »
I'm having trouble figuring out how to get games to load from SD.  I got a Neo2SD, formatted it with madmonkey's programmer (neocmd --format).  This appeared to work (though I found 2 bad blocks, 255 & 256, these are suspicious numbers perhaps an error?).

I then downloaded NeoMythMenuDX-v2.2.zip, and flashed it to the card (neocmd -m MDBIOS.BIN).   I hooked everything up to my Genesis to see if the bios would run.  It did.

Then I took a brand new Transcend 8GB microSDHC card with adaptor (TS8GUSDHC6), dropped a .bin on it and plugged it into the Neo2SD.  On navigating to the SD browser, I get a message "Creating Directory /.menu/md" and then "No start bit after write data block".  There are a couple other messages that flash by too quick to read.  The menu displays the filename of the ROM on the SD card but won't load it.  The same ROM works fine from the Neo2SD onboard flash.


I have the feeling I missed something simple in setting up the flash card or SD card, but I couldn't find any documentation on the process.   I checked the contents of the card, to see if .menu/md got created, but it was not there.  I'm certain the lock switch on my adaptor was disengaged.   The card is formatted with FAT32. 

What can I do to get this working?
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Offline ChillyWilly

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Re: SD loading
« Reply #1 on: September 06, 2010, 10:46:53 AM »
Sounds like trouble writing the card. The current MD menu needs to be able to write the card because of all Conle's caching code and stuff. Try another card. I might look around to see if I can find that same card. There aren't many that don't work.
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Offline Hatta

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Re: SD loading
« Reply #2 on: September 06, 2010, 10:59:55 AM »
It was even simpler than that.  I switched to another microsd adaptor (same brand even) and it works now.  These things are weird.  Thanks for the incredibly prompt help. :D
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Offline ChillyWilly

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Re: SD loading
« Reply #3 on: September 06, 2010, 11:27:35 AM »
Quote from: Hatta on September 06, 2010, 10:59:55 AM
It was even simpler than that.  I switched to another microsd adaptor (same brand even) and it works now.  These things are weird.  Thanks for the incredibly prompt help. :D

Wow, that IS odd. Sounds like the first adapter was bad or perhaps really skewing the timing on certain lines by introducing nasty loads the lines.

Good to here just changing the adapter worked.  ;D
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