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2007-07-11
, 12:08
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Posts: 356 |
Thanked: 38 times |
Joined on Nov 2005
@ Finland
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#32
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Originally Posted by fanoush
How can I check the actual frequency in 770?
The kingston 2gb mmcmobile was a good choice for me. It can run at 48Mhz just fine in my device.
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2007-07-11
, 12:33
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Posts: 8 |
Thanked: 0 times |
Joined on Jul 2007
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#33
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Originally Posted by Milhouse
Can you get MMC Plus is the correct form factor? All the MMC Plus I've seen is NOT the reduced size of RS-MMC & MMC Mobile.
For future reference, MMC Mobile (sometimes also called MMC Plus)
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2007-07-11
, 15:46
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Posts: 3,401 |
Thanked: 1,255 times |
Joined on Nov 2005
@ London, UK
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#34
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Originally Posted by fanoush
Ah sorry, my bad - I thought the MMC updates in more recent firmware supported the wider data buses available in MMCmobile.
Yes, thats how you recognize it, card has two rows of pins (13 in total, and in fact 8 data pins, not 4). Plain (RS-)MMC has 7 pins in total.
But those extra data pins are not used at all in N770 (at least in the one I have). What matters in N770 is maximum frequency card can do which is 20Mhz for rs-mmc but 26 or 52MHz for mmcmobile. Due to omap chip limitation this translates to 16 vs 24 vs 48 MHz used. You only see the speedup with hacked kernel, though.
The kingston 2gb mmcmobile was a good choice for me. It can run at 48Mhz just fine in my device. Some people reported mmcmobile cards that support only 26Mhz mode, not 52. When I bought it even the price was OK (i.e cheapest from all rsmmc/mmcmobile). Currently it is for approx. 30EUR here including VAT, not sure how cheap other 2gb rs-mmc/mmcmobile cards are.
I guess MMCmobile is only worthwhile if the price differencial with regular RS-MMC is quite narrow.
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2007-07-11
, 15:47
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Posts: 3,401 |
Thanked: 1,255 times |
Joined on Nov 2005
@ London, UK
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#35
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Originally Posted by ikonosin
According to the MMC wiki, MMCplus is a synonym for MMCmobile although it's possible (likely?) that MMCmobile is being used for the reduced size form factor and MMCplus for the full-size equivalent.
Can you get MMC Plus is the correct form factor? All the MMC Plus I've seen is NOT the reduced size of RS-MMC & MMC Mobile.
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2007-07-11
, 16:00
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Posts: 2,152 |
Thanked: 1,490 times |
Joined on Jan 2006
@ Czech Republic
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#36
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Originally Posted by Milhouse
Yes for N800, no for N770 since the connector in N770 don't have 9 pins but only six. Well, at least in my device.
Ah sorry, my bad - I thought the MMC updates in more recent firmware supported the wider data buses available in MMCmobile.
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2007-07-13
, 13:48
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Posts: 1 |
Thanked: 0 times |
Joined on Jul 2007
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#37
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Having troubles at the boot menu. Im presented with
1. Internal flash
2. MMC card
3. MMC card, partition 2, ext2
4. USB hard drive
5. Power off (when not on charger)
Which option do i want to choose?
I choose #2 MMC card, but i noticed no size increase when i went 'Memory' in the control panel. I can see the the space on the Card is now 1.37GB. I should have about 500MB, but it still only reads 60MB.
Any suggestions/tips?
1. Internal flash
2. MMC card
3. MMC card, partition 2, ext2
4. USB hard drive
5. Power off (when not on charger)
Which option do i want to choose?
I choose #2 MMC card, but i noticed no size increase when i went 'Memory' in the control panel. I can see the the space on the Card is now 1.37GB. I should have about 500MB, but it still only reads 60MB.
Any suggestions/tips?
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2007-07-17
, 17:11
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Posts: 4 |
Thanked: 0 times |
Joined on Jul 2007
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#38
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Originally Posted by bigred66
choose "MMC card, partition 2, ext2", option #2 (the "MMC") will try to boot your device from partition 1, which is the 1.37GB part with no OS installed, so it will automatically boot from flash instead
Having troubles at the boot menu. Im presented with
1. Internal flash
2. MMC card
3. MMC card, partition 2, ext2
4. USB hard drive
5. Power off (when not on charger)
Which option do i want to choose?
I choose #2 MMC card, but i noticed no size increase when i went 'Memory' in the control panel. I can see the the space on the Card is now 1.37GB. I should have about 500MB, but it still only reads 60MB.
Any suggestions/tips?
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2007-09-02
, 14:09
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Posts: 10 |
Thanked: 0 times |
Joined on Jul 2007
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#39
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I just finished doing this, and I had some confusion at the boot menu also. The boot menu options seem to be incorrectly displayed, because if I choose #3 I get the "Can't boot from MMC...booting from Flash" error, whereas #2 does boot my OS2007HE N770. I followed the instructions here and in the easy guide, and other than the slightly confusing menu it seems to have worked fine.
@bigred66: I don't think you should see any more memory in the Control Panel. As I understand it, the 770 has two chunks of flash memory: 64 MB for RAM-like use, and 64 MB for hard drive-like internal storage. What you've done is to increase the internal storage chunk (and also put it on a faster chip). So reading system and other files from that chunk should be a lot faster, and you aren't limited to installing only 64 MB total of applications and whatnot.
I am understanding this correctly, right folks?
@bigred66: I don't think you should see any more memory in the Control Panel. As I understand it, the 770 has two chunks of flash memory: 64 MB for RAM-like use, and 64 MB for hard drive-like internal storage. What you've done is to increase the internal storage chunk (and also put it on a faster chip). So reading system and other files from that chunk should be a lot faster, and you aren't limited to installing only 64 MB total of applications and whatnot.
I am understanding this correctly, right folks?
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2007-09-02
, 15:33
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Posts: 10 |
Thanked: 0 times |
Joined on Jul 2007
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#40
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Hmm... Perhaps everything didn't work as expected... If I boot from Flash I see all of the new programs that I just installed while booted from MMC (option #2), and when I insert my memory card in my Ubuntu PC it can't read the ext partition (just the big FAT one).
...and it doesn't seem any faster to me...
So perhaps something got messed up in copying the system to the MMC partition?
...and it doesn't seem any faster to me...
So perhaps something got messed up in copying the system to the MMC partition?
But those extra data pins are not used at all in N770 (at least in the one I have). What matters in N770 is maximum frequency card can do which is 20Mhz for rs-mmc but 26 or 52MHz for mmcmobile. Due to omap chip limitation this translates to 16 vs 24 vs 48 MHz used. You only see the speedup with hacked kernel, though.
The kingston 2gb mmcmobile was a good choice for me. It can run at 48Mhz just fine in my device. Some people reported mmcmobile cards that support only 26Mhz mode, not 52. When I bought it even the price was OK (i.e cheapest from all rsmmc/mmcmobile). Currently it is for approx. 30EUR here including VAT, not sure how cheap other 2gb rs-mmc/mmcmobile cards are.