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What is the part number for my MacBook Logic Board?

I have been searching through all of the Apple forums to help me with my issue. My issue is not knowing the partnumber for my MacBook Logic Board. The sticker that is usually found on the ram slots is NOT there.


The information I have for my Mac is:


2.4GHz/2x1GB/250GB/SD


EMC No.: 2254


Serial No: W8846MGM1AX


I hope someone in the community can help me.


Thanks Ahead of time.

MacBook, iOS 8

Posted on Apr 14, 2015 9:59 AM

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Question marked as Best reply

Posted on Apr 20, 2015 8:55 AM

So that serial number comes back as an Aluminum MacBook late 2008.

Looking at some of my old notes that was a very weird year.

There appear to be two separate versions of this machine.

Basically there was:

2.0 GHz logic board 661-4818

2.4 GHz logic board 661-4819

Then there was:

2.0 GHz logic board 661-5101

2.4 GHz logic board 661-5102


On eBay:

http://www.ebay.com/sch/i.html?_odkw=661-4818&_from=R40&_osacat=0&_from=R40&_trk sid=p2045573.m570.l1313.TR0.TRC0.H0.X661…

This page seems to treat these numbers like they're identical.


BTW, I've never been able to determine where these 661 numbers come from,

8 replies
Question marked as Best reply

Apr 20, 2015 8:55 AM in response to ZacMik76

So that serial number comes back as an Aluminum MacBook late 2008.

Looking at some of my old notes that was a very weird year.

There appear to be two separate versions of this machine.

Basically there was:

2.0 GHz logic board 661-4818

2.4 GHz logic board 661-4819

Then there was:

2.0 GHz logic board 661-5101

2.4 GHz logic board 661-5102


On eBay:

http://www.ebay.com/sch/i.html?_odkw=661-4818&_from=R40&_osacat=0&_from=R40&_trk sid=p2045573.m570.l1313.TR0.TRC0.H0.X661…

This page seems to treat these numbers like they're identical.


BTW, I've never been able to determine where these 661 numbers come from,

Apr 20, 2015 8:55 AM in response to spudnuty

Appears there was a Rev 2 logic board for the 2.4GHz model, according to a list of parts

from powerbookmedic, when choosing to view Parts, via Serial Number Lookup page:

https://www.powerbookmedic.com/identify-mac-serial.php


User uploaded file


Their point of reference did not appear to show the slower CPU version logic board in stock.

Results from using serial number in the above page will provide two info pages, kinda like tabs

in a way, one shows Details while the other says Parts. So certain items seem to be lacking.


Model Identifier MacBook5,1

Model Number A1278

EMC 2254

Order Number MB466LL/A (2.0 GHz), MB467LL/A (2.4 GHz)


{misc spec info from http://mactracker.ca database download for Late 2008 Aluminum MacBook}


Another source may be able to supply the correct replacement parts for restoring the unit.


In any event...

Good luck & happy computing! 🙂

Apr 18, 2015 1:33 AM in response to spudnuty

This page shows both(?) logic boards by processor speed, does not

say anything about Rev 2 for 2.4GHz but may be included:


http://www.dvwarehouse.com/MacBook-Logic-Board-c-4908.html


Some places charge as much for parts as a repaired unit may cost.

Not sure how these sources compare to parts &/or service quotes

on inspection by a specialist such as wegenermedia.com in SC.

They can repair logic boards at wegenermedia, btw.


Replacement logic boards may be found by searching sources

by original build sales order number, such as shown in the info

from mactracker mentioned above, for the Late 2008 MacBook.


Anyway, the time here is about 12:30PM and I see there's some

spam-phishing-scam posts attempting to gain foothold in ASC.


In any event, we can hope for the best and plan for the worst...!😝


PS: I still have your email from years ago, but haven't written since then.

Apr 18, 2015 8:01 AM in response to K Shaffer

"wegenermedia.com in SC"

Have you used them? Or know or anyone w/ experience using them?

"I see there's some spam-phishing-scam posts attempting to gain foothold in ASC."

Yah, I've been off the forums for about 4 years and there's a lot more crap here than I remember.

" I still have your email from years ago, but haven't written since then."

Is it the current one? Please do.

There's a lot more to this late 2008 than I even knew about. Like apparently an SSD was an option.

I got to work on a late 2009 MacBook Unibody. I put an SSD in it and it's very functional as well as being very pretty. My client wanted her high school age daughter to use it but she refused because it was so slow. Now it's so fast she uses it all the time and my client worries about that. (Moms!)

Apr 18, 2015 12:49 PM in response to spudnuty

The wegenermedia reference relates to some earlier positive results others mentioned some years

ago, and due to that, I sent an iBook computer to them, in a padded box (over-engineered) that I

made, for diagnostic repair service, and it returned with stickers over the screws that said their

warranty would be void if the tape were damaged or removed. I felt sure enough of their work that

I later sold the computer to an 80+ y/o some miles from where I lived, and chose to give him free

support for two years. That means since he never had used a computer, and saw an ad I put on

a bulletin board in that town and chose to reply to it, I even went as far as helping set up printers

and other things he had never done, at no additional profit to me. The iBook was a complete kit

and included original box, plus later OS X and extras, at below other location retail.


I've been in contact with them about two other computers I have, one is an aluminum PowerBookG4

and the other a MacBook1.1 13-inch 1.83GHz first-model, each has issues. The MB1.1 is better, &

it only needs some parts to fix two issues, but it runs well. An occasional winking display, that does

best if left sitting with lid open; and by use of iStat Pro, I see odd information from the CPU temps on

one of the two cores in the processor. Sometimes, it says the core is sub-zero °F, other times hotter

than the other one. And also, it may disappear from the reporting to iStat altogether. So that may be

as simple as a need for new thermal paste if the CPU could be so doctored. They will inspect and

test an item before a firm cost estimate is arrived at. They've also workstations to repair logic boards.


So I'd be willing to bundle up my early MacBook1.1 1.83GHz and send it off for a $200 service, since

once it is opened most issues can be dealt with on the spot, and it would be returned with warranty.

Since my example is a clean one, it may be worth that service. It has 10.5.8; could run 10.6.8 OK.


Anyway, the discussion is a bit afield from the OP topic, except there are experts who can repair an

original logic board; some prefer to see and test the entire machine. Others may swap out the board

for one they've already serviced if available, for turnaround-time sake. They offer older refurbs, too.


Between the sales model number and processor version it should be easier to locate a replacement

for the original post's questionable part issue. Some devices had additional part numbers that may

work, depending on the length of product run and changes in manufacture over the duration.


{Seems to me you'd gone from using Macs awhile, to PC, and were in state of ID awhile, btw.

And the reference email I have, is your first + last name at gmail.}


In any event...

Good luck! 🙂

Apr 18, 2015 2:24 PM in response to K Shaffer

"Seems to me you'd gone from using Macs awhile, to PC, and were in state of ID awhile"

Nope always been a Mac Boy from the first 128 I saw in the early 80's. I was in ID taking care of aging parents and administering 88 PCs (1 Power Mac Pro and 3 iBook G4s!). Good thing that the kids were always gone when I was working on those PCs, the language was pretty bad!


"And the reference email I have, is your first + last name at gmail."

Wow that must have been a long time ago. My current one is under my avatar. :


What is the part number for my MacBook Logic Board?

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