[p900] P900

  • From: Alfonso Martone <a.martone@xxxxxxxxxxx>
  • To: p900@xxxxxxxxxxxxx
  • Date: Tue, 25 Oct 2005 22:17:50 +0200

Duh... I found myself buying an old "PCMCIA 4-in-1" adapter (memorystick, smartmedia, securedigital, MMC) for my Apple Powerbook.

And -yeah!- I found that it's a Good Thing to use when you want to transfer lots of data on the Memory Stick Duo (using the MSDUO-- >memorystick adapter found in the P900 standard accessories).

Read speed (from MSDUO to the computer) is actually 470-480 kbytes/ sec; writing to the MSDUO (for example, writing MP3 files) is about 230-290 kbytes/sec (I just timed my 32Mb standard memory stick duo which came with the P900). Note that once cached by the computer operating system, access times to directories and files will be faster (at least if you use a Macintosh or any Linux system).

Quick note about filling the memory card with MP3 files (or other large files); values rounded down to day-to-day expected values:

infrared:   10 kb/sec (if using p3nfs on Linux; drains P900 battery)
bluetooth:  30 kb/sec (if using p3nfs on Linux; drains P900 battery)
PC card:   250 kb/sec (does not require software and doesn't drain)

Note: the PC-card that I have is a common "16 bit, 3.3V" card, boosting no more than 1.2 Mb/sec (20-25% more than a common USB 1.1 connection), and thus is almost useless if you want to transfer images from secure-digital cards of your camera.

alf



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