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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > 12''PB memory slot

12''PB memory slot
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ligux
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Oct 8, 2003, 07:25 AM
 
How many slots does the rev B 12'' has for the RAM?, two or one?
-Mac G4 867, 240Gb HD, +1gb Ram . OS9.2.2 and OS X 10,2,8
-iPod 10 Gb
-PB 12'' 1Ghz 768 RAM + AirPort Extreme OS X 10.2.8
     
RealMadrid
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Oct 8, 2003, 07:53 AM
 
It seems to have just one so you can upgrade RAM to a max of 1,25 GB with one expensive 1GB SO-DIMM.

BTW I am very close to buying one.

Saludos "vecino".
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desillusion.com
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Oct 8, 2003, 08:37 AM
 
the 12" rev B has 256mb ram built in, and one user-accesible slot that usually comes with another 256mb.

so, as of today, the reasonable limit of ram is 768mb (256+512). of course, there are 1gb ram sticks, but those are just way to expensive ($500+).
finally here and absolutely flawless:
powerbook 12" 1ghz rev b combo 768 mb ram bt-mouse
     
ligux  (op)
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Oct 8, 2003, 09:35 AM
 
So that means 2, one built in 256 MB and the extra one for another to upgrade up to our pocket, thank you.
-Mac G4 867, 240Gb HD, +1gb Ram . OS9.2.2 and OS X 10,2,8
-iPod 10 Gb
-PB 12'' 1Ghz 768 RAM + AirPort Extreme OS X 10.2.8
     
Sosa
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Oct 8, 2003, 02:11 PM
 
Off topic question here but:

will my iBook RAM be recognized by the PB?

will my airport card work on the airport extreme PB?

I think the RAM will probably not work, as the RAMs are of different types. But since Airport and Airport Extreme as supposed to be compatible, I'm hoping I don't have to spend on an Extreme card.
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sworthy
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Oct 8, 2003, 02:16 PM
 
unfortunately neither the ram nor the airport cards will work as the physical dimensions of AE is different than airport. And the pb ram is ddr while the ibook's is sdram
     
pknoll
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Oct 8, 2003, 02:35 PM
 
Originally posted by sworthy:
And the pb ram is ddr while the ibook's is sdram
DDR and SDRAM SODIMMS have different pinouts, also - 168 vs. 200 pin. The edgecard connection is physically different - the orientation slot is off to one side on the DDR modules.
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all2ofme
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Oct 8, 2003, 03:50 PM
 
This isn't the case to my knowledge. Both of the non-BTO machines on the Apple site are 256MB machines, and both of these have that 256MB of RAM in the slot which isn't accessible. In fact I'd be surprised if it wasn't soldered onto the motherboard.

Originally posted by desillusion.com:
the 12" rev B has 256mb ram built in, and one user-accesible slot that usually comes with another 256mb.
     
ibook_steve
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Oct 8, 2003, 04:50 PM
 
The built-in 256 MB is soldered onto the motherboard.

Steve
     
   
 
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