Third Party > Repairing and Upgrading Rockbox Capable Players
iriver H340 with 240GB drive - success!
pwhodges:
Thanks for the UDMA pointer! Enabling that increases the read transfer rate from 13MB/s to 36MB/s burst (not achieving the drive's specified 100MB/s burst capability). It maintains around 32MB/s for 2/3 of the disk, trailing off to 20MB/s over the last 1/3 of the disk, so it appears to be disk limited towards the end at least).
I will now see if I can manage to write that configuration to the flash; no big deal if not, though.
(later) I have now done a write benchmark using the Samsung HS12YHA 120GB disk. Sadly, the results show that UDMA will only have a marginal effect on writing. The write benchmark I used (HDTune) shows that three out of four writes (at least, at the intervals tested) are at a mere 1.8MB/s, with only one of four at the full rate (13MB/s for PIO and 26MB/s for UDMA. So it appears that we're stuck with the slow writes (for comparison, a Toshiba 30GB disk writes uniformly at 3.6GB/s 3.6MB/s)
Paul
evilnick:
Can I get one of those Toshiba 30GB disks if they really do write at 3.6GB/s? ;D
pwhodges:
:o I even edited the mistake - but I must have forgotten to save it!
(later)
So now I've found a workaround for the slow writing! My disk is currently writing at the full PIO speed (I can't enable UDMA using this machine, as the programs don't appear to work on 64-bit Windows XP). All I did was use device manager to enable write caching for the iriver drive. I guess the caching changes the way stuff is buffered into the disk somewhere.
The copying is now going as fast as I originally expected it to (it will be finished in a couple more hours, I reckon). While this is going on, Windows Explorer is suffering severely, with lots of delays and long hang-ups - but as soon as the big copy is finished I'll turn the write caching off again anyway, as it would be mad to leave it enabled for the removable disk. Anyway, I get the feeling that the best has been achieved now that can be with this hardware.
Paul
Serenity:
Sorry for the bump, but would your procedure work on the MK1231GAL drive that's only supposed to work on the iPod Classic? Or is that wishful thinking?
As much as I want it to, the MK2431GAH won't fit in my H320 unless I get the deeper backplate from an H340, but then it won't fit in any of my cases...and so it goes.
pwhodges:
I expect it will work. The vendor I bought the 240GB from has warnings all over that it cannot be used anywhere other than an iPod, and that's clearly wrong.
(I suppose I should allow the possibility that they updated the drive firmware, and it was true for an earlier version - but I have no evidence of this.)
Paul
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