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/proc/meminfo shows total memory as 99040KB

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By techvd, Junior Member on 23rd January 2009, 06:52 AM
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/proc/meminfo on my G1 shows total memory as 99040KB. I thought the G1 had 192MB of SDRAM. Clearly I must be missing something here. The free command shows the same as well.
 
 
23rd January 2009, 07:07 AM |#2  
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Good question... with that said where is our ROM at too? I don't see 256MB of ROM... by my calculations I am missing about 50MB but I could be wrong.
23rd January 2009, 03:10 PM |#3  
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Quote:
Originally Posted by neoobs

Good question... with that said where is our ROM at too? I don't see 256MB of ROM... by my calculations I am missing about 50MB but I could be wrong.

The fact that they advertised it has having 256MB of ROM seems strange to me, since the internal memory that comes closest to that (268,400KB - when adding up the total sizes of the /dev /sqlite_stmt_journals /system /data and /cache partitions - is actually 262MB) is definitely not Read-Only-Memory. And it wouldn't appear to be 256MB, unless that /sqlite_stmt_journals is a subdivision of another partition like the /system/modules and /system/xbin (which I obviously left out of my calculations), that would bring it down to 264,304KB or 258MB - pretty close.
But that is still not ROM, so I don't know what they were getting at with that.. Unless I missed a memo and ROM doesn't just mean Read-Only-Memory any more...
2nd February 2009, 02:39 PM |#4  
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I was confused about the use of "ROM" too. Apparently, it's just to differentiate between memory and storage. The /data partition is definitely not read-only.
2nd February 2009, 07:13 PM |#5  
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Quote:
Originally Posted by techvd

/proc/meminfo on my G1 shows total memory as 99040KB. I thought the G1 had 192MB of SDRAM. Clearly I must be missing something here. The free command shows the same as well.

I think that the rest of the memory is reserver for the framebuffer and video textures etc.
2nd February 2009, 07:19 PM |#6  
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The question was already answered by Hackborn on the mailing list.

https://groups.google.com/group/andr...b2fa9946275b73
18th February 2009, 01:34 AM |#7  
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i dont think that thread responds to "where the hell are the 100 MB remaining"

i dont believe "radio firmware" + "graphic framebuffers for shadows" + "etc" is eating 100 Mb of memory. I dont believe and in that forum they dont explain the numbers.

windows XP, with 800x600 x 65.000 colors, is able to run with just 64 Mb of ram, and only 200 Mhz. That would give as 120 Mb Free. to run games like diablo 2, baldur's gate (i played baldur's gate with my pentium mmx 200mhz)

This phone is superior than my Pentium 200mhz who had 64 ram. why this phone cant do the same with 3x times memory x 3x times cpu?

Why windows Xp (a real operating system) is running with a lot less resources than android ??? where is our 192 Mb of ram??
18th February 2009, 07:00 AM |#8  
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a 200mhz Pentium >>>> 384 mhz ARM processor
18th February 2009, 11:20 AM |#9  
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*) first of all, a pentium is faster than the arm we use, especially for things like gaming.
a PC is optimized for performance, an embedded architecture is optimzied for efficiency (especially regarding power consumption)
*) your PC has a graphiccard that has its own memory.
*) android = linux = real OS.

why do these rants always pop up whenever embedded systems are discussed.
it was the same with the gp2x / pandora scene, the same in every windows mobile forum, etc.

people, get a clue. attend a course about systems architecture or read a book or two...
18th February 2009, 12:44 PM |#10  
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Take a look here: http://forum.xda-developers.com/showthread.php?t=482228
Same discussion
19th February 2009, 06:33 AM |#11  
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you saw i called windows xp a real os and you started freaking out, lol !

*) cpu is 528 Mhz clocked down to 384 (google says: to conserve battery!!!!) , so they stole us speed and memory. Performance vs eficiency? i dont buy it. Its all the same running the same kernel.

*) my graphic card sucked balls, old ati radeon 128 with 16mb ram. So, 16 mb doesnt mean a **** in the middle of the 100MB we are missing.

*) android = java = resources devour, when i discover android = java i was disapointed, the real operating system running on my phone is the good kernel+debian armel which i had to host in memory card instead of internal memory because lately google is acting like microsoft. and im starting to think android will be as shity as windows is.

yea i readed a pair of books and i know how to count, where is my Mhz and where is my Memory?

greetings
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