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iHP-140: Performance issue with 240gb drive under Rockbox

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nlak:
Hello everyone!

I just installed a Toshiba MK2431GAH drive (240gb) in a recently acquired iriver iHP-140 player. Rockbox "sees" 233gb on the disk, but the access speed is really slow. The access speed is also slow from the PC through the USB port.

After reading some related posts from iPod users (see http://forums.rockbox.org/index.php?topic=20629.0), I understand that the performance issues with my drive would be resolved if I compile both Rockbox AND the bootloader with MAX_PHYS_SECTOR_SIZE defined to 4096 in "ata.c" (according to the Toshiba specifications for this drive on http://www.storage.toshiba.eu/index.php?id=3&pid=242&sid=7 there are 4096 bytes on each sector).

Kind request to the Rockbox experts:
Is my understanding correct? Is there any other modification required to resolve the performance issues with this drive? Your support is much appreciated.

Thanks in advance,
Nick

spazz:
Hey Nick,
I'm a owner of a h140(upgraded to h180 with mk8007gah) and I want to uprade it with the MK2431GAH. Did you used the esskabel zif to ide adapter?
thx!
Carl

nlak:
Hi Carl (spazz),

I have both adapters described here:
http://www.rockbox.org/twiki/bin/view/Main/ZIFToATAAdapter

I have tried both of them and both work well, but the ES&S Kabel adapter fits better because it allows more space for the hard drive (as described also on the web page indicated above). You can do the job though also with the dealextreme adapter.

Regards,
Nick

Domonoky:

just as a warning:
installing a non-working bootloader on a iriver hxx0 player will make your player a brick (only recoverable with special hardware).
So be very carefull if you compile and install a modified bootloader.

about the speed thing:
if you are tranfering via usb, rockbox isnt involed as this hardware uses a hardware bridge. 
And its very unlikely that having another sector size in the bootloader will change any thing while running rockbox.
How did you measure the disk speed ? maybe try the test-disk plugin (you have to compile it yourself).

spazz:
Nick,
Where did you get your Kabel converter? The resseler in Canada that Kabel suggested to me are asking 150$can for one unit...wich is a bit expansive...right? I asked at span.com but I can only buy 5 or 10 units at a time...

By the way I would be ready to help with testing Rockbox...I just need to find and buy the parts(converter and hd) first   ;D

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