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@juniji
did you experience any slowdowns in access times with the 8GB M2?
thanks
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Posted: 2007-09-25 04:37:07
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Guys,
My reply comes with some authority, since I am closely involved with the design.
No. There is no performance difference between 8GB and any other capacity point. You should expect ~3MB/sec write, ~12MB/sec read performance. You will not see this in the handset - only in a USB 2.0 capable reader.
The reason - the M2 is a collection of several memory die. In SanDisk M2 specifically - write and read operations are done on 1 die at a time. So performance is die-based. Whether you have a stack of 1-die (1GB) or a stack of 8-die (8GB) the performance is the same. Format time will vary, since formatting must touch each memory location. But performance is the same. Access time - same. Everything - same.
There is higher performance available to the M2 with multiple (concurrent) die operation - but this kills the power budget of 100mA.
Juniji
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Posted: 2007-09-28 06:23:55
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Nice explanations and good to hear that there is no problem in using 8gb card.
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Posted: 2007-09-28 06:52:54
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do u have any clue on when the 8gb m2 may be coming out. like say in a month or b4 the christmas season starts?
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Posted: 2007-09-28 06:53:15
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8gb should be out november'ish.........
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Posted: 2007-09-28 07:26:16
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thanks a lot for that juniji. extremely enlightening!
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Posted: 2007-09-29 04:04:36
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update - I was measuring 3.2MB/sec read, 9.8MB/sec write today on 8GB. Must be the firmware.
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Posted: 2007-09-29 05:28:58
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That's great! p1i can use 8GB m2, but how much the m2 of 8GB. I'm from china ,the biggest is 2GB in china. 4GB is hard to find.
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Posted: 2007-09-29 06:48:11
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On 2007-09-23 23:47:57, Andy_P wrote:
how can u have an 8gb m2 yet ?
searched everywhere & cant find.. just ordered a 4gb for £36 delivered which is reasonable.
mymemory.co.uk
Have had them for a while at about £76 good reliable co I buy a Iot from them
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Posted: 2007-09-29 20:42:15
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It had already been published a long while ago about 8GB memory stick micro, just that I was currious either It has compatible issues similar with MS PRO DUO in P910i or not. Cheers~
http://www.sandisk.com/Corpor[....]ases/PressRelease.aspx?ID=3944
Thanks for the information!
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Posted: 2007-12-07 13:25:32
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