iStat

Discussion in 'Mac Apps and Mac App Store' started by trev, Feb 14, 2007.

  1. trev macrumors 6502

    Joined:
    Nov 11, 2006
    Location:
    St. John's, NL
    #1
    Hey guys,

    I've got a question about the iStat program. I can see/monitor my computers temperatures but I'm wondering exactly what the following actually are:

    Heatsink A
    Heatsink B
    Northbridge 1
    Northbridge 2 (My computer has two northbridges??)
    Enclosure Bottom

    Thanks!!
     
  2. pianoman macrumors 68000

    pianoman

    Joined:
    May 31, 2006
    #2
    good question. i had to look up northbridge...

    a northbridge is a chip that connects a CPU to RAM.

    a heatsink is a device that is used to conduct heat away from its source and spread the heat over a larger surface area. this helps dissipate the heat faster, ensuring that the source of the heat is kept cooler.

    the enclosure is what's keeping everything inside.
     
  3. trev thread starter macrumors 6502

    Joined:
    Nov 11, 2006
    Location:
    St. John's, NL
    #3
    I know what a northbridge and heatsink are.. but I'm wondering why there are two temperature guages for the northbridge (I was under the impression that I only had one... unless the other is for the southbridge). And also, I was wondering where the two heatsinks were located. Thanks!
     
  4. pianoman macrumors 68000

    pianoman

    Joined:
    May 31, 2006
    #4
    you have two of these things because your computer is a "Duo" model - i.e., Core Duo, Core 2 Duo - there are two heatsinks and two bridges, one for each core.
     
  5. trev thread starter macrumors 6502

    Joined:
    Nov 11, 2006
    Location:
    St. John's, NL
    #5
    hmm... that makes a bit more sence, I can see the purpose of two northbridges now... but there's really two heatsinks? I throught it was just one CPU.
     
  6. pianoman macrumors 68000

    pianoman

    Joined:
    May 31, 2006
    #6
    it's still just one CPU but it has 2 cores. i'm not exactly sure of the architecture, but i think that explains it.
     
  7. sunfast macrumors 68020

    sunfast

    Joined:
    Oct 14, 2005
    Location:
    London
    #7
    I've been wondering what they meant too, thanks for the info :)
     
  8. Viremia macrumors regular

    Joined:
    Nov 6, 2006
    #8
    yeah, not so much

    there is only 1 northbridge and only one heatsink

    the duo simply refers to the 2 cores on one chip

    as for the OP, the labels are probably just wrong
     
  9. pianoman macrumors 68000

    pianoman

    Joined:
    May 31, 2006
    #9
    this was never debated.

    instead of saying that it's wrong, here's a possible explanation: according to Apple's developer page, the MBP (or MB) has a north bridge and a south bridge. iStat is probably mislabeling one of these. as for the heatsinks, since the processor gets really hot, having two heatsinks helps dissipate heat faster than one would.
     

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