MacBook Pro 15.4",  2.4 GHz:  Serial-ATA Transfer Speed Question

I have subject MBP with a Seagate Momentus 160 GB, 7200 rpm, serial ATA, PRT hard drive. This hard drive has a serial ATA transfer speed rating of 3.0 Gigabits per second. The MBP logic board as an Intel 965 chip set that has a serial transfer speed rating of 3.0 Gigabits per second. I was at the Mac Store today and noticed that the new iMac computer (that has the same chip set) has an Intel ICH8-MAHCI speed rating of 3.0 Gigabits per second. My question is why does the MacBook and MacBook Pro's only have an Intel ICH8-M AHCI speed rating of 1.5 Gigabits per second? Attached is a copy of my Serial-ATA information:
Intel ICH8-M AHCI:
Vendor: Intel
Product: ICH8-M AHCI
Speed: 1.5 Gigabit
Description: AHCI Version 1.10 Supported
ST9160823AS:
Capacity: 149.05 GB
Model: ST9160823AS
Revision: 3.DAE
Serial Number: 5NK03DBN
Native Command Queuing: Yes
Queue Depth: 32
Removable Media: No
Detachable Drive: No
BSD Name: disk0
OS9 Drivers: No
S.M.A.R.T. status: Verified
Volumes:
Macintosh HD:
Capacity: 148.73 GB
Available: 78.21 GB
Writable: Yes
File System: Journaled HFS+
BSD Name: disk0s2
Mount Point: /

Try this procedure:
http://support.apple.com/kb/ht3964
And this one:
http://support.apple.com/kb/ht1379

Similar Messages

  • Why is the MacBook Pro Serial ATA transfer speed half that of the new iMac?

    I have a MacBook Pro 2.4 GHz 15.4 inch with a Seagate Momentus 160 GB, 7200 rpm, serial ATA, PRT hard drive. This hard drive has a serial ATA transfer speed rating of 3.0 Gigabits per second. The MBP logic board has an Intel 965 chip set that has a serial transfer speed rating of 3.0 Gigabits per second. I was at the Mac Store the other day and noticed that the new iMac 20 and 24 inch computers (that have the same intel 965 chip set) have an Intel ICH8-MAHCI speed rating of 3.0 Gigabits per second. My question is why does the MacBook and MacBook Pro's only have an Intel ICH8-M AHCI speed rating of 1.5 Gigabits per second? Attached is a copy of my Serial-ATA information:
    Intel ICH8-M AHCI:
    Vendor: Intel
    Product: ICH8-M AHCI
    Speed: 1.5 Gigabit
    Description: AHCI Version 1.10 Supported
    ST9160823AS:
    Capacity: 149.05 GB
    Model: ST9160823AS
    Revision: 3.DAE
    Serial Number: 5NK03DBN
    Native Command Queuing: Yes
    Queue Depth: 32
    Removable Media: No
    Detachable Drive: No
    BSD Name: disk0
    OS9 Drivers: No
    S.M.A.R.T. status: Verified
    Volumes:
    Macintosh HD:
    Capacity: 148.73 GB
    Available: 78.21 GB
    Writable: Yes
    File System: Journaled HFS+
    BSD Name: disk0s2
    Mount Point: /
    MacBook Pro 2.4 GHz (MA896LL) W/ 4GB RAM Mac OS X (10.4.10) Seagate ST9160823AS Hard Drive

    For several reason although the main one is that the vast majority of 2.5" drives have a 1.5Gbps interfacce. Drives with a 3Gbps interface in this size are rare where as they're very common in the 3.5" drive size which is used in the iMac.
    Additionally you'll find that few drives do in fact make use of this larger bandwidth. For instance, the fastest 3.5" SATA drive one can buy for an iMac/Mac Pro up to 500GB is in fact a Western Digital Raptor 150GB which has an SATA I 1.5Gbps interface. So the interface bandwidth isn't everything. Yes there are faster drives than this now but they are in the 750GB size and up.

  • Is it possible to upgrade the 10.5.8 OS on  a MacBook Pro with a 2.4 GHz/Intel Core 2 Duo with 2 GB of RAm to the latest OS?

    Is it possible to upgrade the 10.5.8 OS on  a MacBook Pro with a 2.4 GHz/Intel Core 2 Duo with 2 GB of RAm to the latest OS?

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    http://support.apple.com/kb/SP575
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    http://store.apple.com/us/product/MC573Z/A/mac-os-x-106-snow-leopard
    Other countries...
    http://support.apple.com/kb/HE57
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    You should also consider more RAM... Get the Maximum you can for your Mac...
    It is important to get the Correct and Matching RAM
    See Here  >  OWC RAM  >  http://www.macsales.com
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  • Have MacBook Pro (ancient) has 2.16 Ghz Intel Core Duo with 1 GB 667 MHz RAM using OS 10.4.11. Can I upgrade OS? If so, how far? And can I add more memory? I realize this is an old laptop but I need to wait to upgrade to new.

    Have MacBook Pro (ancient) has
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    if it is the core duo, mac OS X 10.6.8., max ram 2gb.

  • Severe overheating of 17" MacBook Pro (2009) with 3.06 GHz processor

    For around a year and a half I have been dealing with a computer that constantly overheats very quickly, presumably because I ordered a 3.06 GHz Intel Core 2 Duo CPU for my 17" MacBook Pro without realizing that it would make the surface of the computer super hot. I recently looked at the new generation of MacBook Pros and saw that the max they offer now is 2.8 GHz. Good move, Apple, but it doesn't help me feel like I didn't waste more than $3100 on a machine that constantly burns my hands.
    While the computer was under warranty I complained to Apple and they replaced it with an identical model with identical overheating problems. Without any recourse that I knew of (or any other computer to use), I just kept on using it.
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    I have a similar problem. Although in my case my computer (Macbook Pro 17 - 3.06ghz Core 2 Duo), isn't actually having any functioning problems .. but I worry that running the CPU's constantly around 90-100 degrees celsius can't be good for it in the long run.
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    Does anyone know what the typical operating temperature of the Macbook Pro 17 inch (3.06 ghz Core 2 Duo) model is supposed to be? And i don't mean the idling temperature .. I mean the operating temperature during gaming, music creation and other high end means?
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    Well .. you're not the only one. I do enjoy my Macbook and regardless of the temperature problem it is still the best computer I've ever had.

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    Try these in order testing your system after each to see if it's back to normal:
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         Reinstall the 10.9.2 update: OS X Mavericks 10.9.2 Update (Combo).
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  • I am trying to load LR on my new macbook pro. It asks for the serial number. I enter the digits, but it says, quote, " This is an upgrade serial number. The serial number from your previous version of Lightroom is also required."

    I am trying to load LR on my new macbook pro. It asks for the serial number. I enter the digits, but it says, quote, " This is an upgrade serial number. The serial number from your previous version of Lightroom is also required."

    If you still have the old computer and it is a MAC, the Lightroom 5 serial numbers are in a text file.
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  • I have a macbook pro with a 2.16 GHz Intel core Duo processor. Can I install the iOS 5 software

    I have a macbook pro with a 2.16 Ghz Intel core Duo processor. Can I install the iOS 5 software?

    iOS 5 is for iDevices, not OS X. Your iDevice would only require 10.5.8 or later. If you have a Mac with a Core Duo processor then you cannot install Lion but you can install Snow Leopard provided you have at least 1 GB of RAM installed.

  • Cannot eject the start-up disk from my PowerBook G4 (laptop). Can anyone help me? My screen is blank too, that's why I'm using the start-up disk. MacBook Pro (17-inch 2.4 GHz), Mac OS X (10.7.4)

    Cannot eject the start-up disk from my PowerBook G4 (laptop). Can anyone help me? My screen is blank too, that's why I'm using the start-up disk.
    MacBook Pro (17-inch 2.4 GHz), Mac OS X (10.7.4)

    Try holding down the trackpad button while starting up the PowerBook.  Holding down mouse button during start up ejects the disc in the optical drive, so I'm guessing it would work the same with the button the the trackpad.

  • Add a MacBook Pro into a new system with serial no

    I want to add a MacBook Pro into a new system with serial no at https://jointventure.apple.com/services/home but it says "indirect purchase for Mac". Anyone helps?

    Before getting Mavericks, be sure to read:
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  • I bought this MacBook Pro 15.4" 1.83 GHz MA463LL/A with 2gb of RAM for real cheap on eBay because I'm poor and can't afford a new MACBOOK PRO and was wondering what everyone thinks about these laptops and what can and should I upgrade when I get money?

    I bought this older MACBOOK PRO 15.4" 1.83 GHz with 2gb of RAM and Leopard 10.5 on eBay for real cheap because I don't have the money to buy a new one like I would like to  do, and it comes with a disk to upgrade the OS to 10.6 and I was wondering what all I can and should upgrade (short of the whole computer) as I have the money to do so? Or did I just get really hosed?

    You have the original Core Duo model. 2 GBs is the most RAM you can install, so the only thing you could upgrade would be the hard drive. Doing so is not a trivial task but you can find suitable hard drives and installation tutorials at OWC.
    Since yours is a Core Duo model you can upgrade OS X to Snow Leopard, but not to Lion which requires a Core 2 Duo or better.

  • I am studying Graphic Desing and im looking to purchase a Macbook Pro 13-inch: 2.5 GHz

    Hi, If I purchase the Macbook Pro 13-inch: 2.5 GHz, will this model reach the requirements and specs that I will need for my course (Graphic Design) in regards to using Photoshop/Illustrator? apart from purchasing these programs do I need any add ons to the laptop itself?

    If you're able to afford it, I would opt for a 15.4" screen - the larger screen real estate is almost a must for Photoshop and Illustrator (and InDesign, in particular, which I assume you'll be purchasing as well - Adobe has very good educational discounts on the CS6 Design Standard package: it's horrible to try to work with two page spreads on a small monitor - even 15.4" is just barely enough).
    You can get the base 15" 2012 model for $1,799 (less your student discount). It only comes with 4GB of RAM and I would upgrade that to at least 8GB, but I would not purchase the RAM upgrade from Apple. I would buy third-party RAM from Crucial or OWC and install it yourself (or have someone that is computer-savvy install it for you).
    Good luck - call back with any questions. Boy do wish that we had Macs when I was in school...
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    I am a university student, and for some of my projects, I am required to edit HD video, approx around 15 minutes in length and making short films. Will the macbook pro 13-inch: 2.4 GHz be able to live up to this and handle the large video files?

    I use a 13" MBP for video editing and it seems to do ok.  Rendering can take a while sometimes (sorta wish I would've gone with the 15" for the quad-core processor) but overall it's definitely very liveable.
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    Have MacBook Pro 4.1 2.4 GHZ Intel core 2 Duo w/ 1 GB 667MHZ DDR2 SDRAM memory -- want to upgrade to max; what do I buy?

    You have a Mid/Late 2007 model from your information:
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