X3ap How To Repair Ship?
Similar Craig Federighi before us, today we're opening upwardly the new M1 MacBooks and seeing the low-cal. Except… we opened them from the other side. Oops.
We'll spill all the details below, simply suffice to say, our curiosity has been rewarded in the near unintuitive mode possible. While Apple touts its M1-powered Macs as zero brusk of a revolution, internally, they could hardly be any more similar to their predecessors. The new 13" MacBook Pro looks so familiar inside, we had to double-check that we didn't accidentally purchase the former model. Meanwhile, the new MacBook Air's biggest move was to … eliminate the fan. Amazing, right? Well, in many ways, aye. Let'southward dig into information technology.
MacBook Air—Now With Less Air(flow)
The biggest physical change to either of these machines is likewise the punniest: The Air no longer actively moves air. In what a pessimist might describe as pulling a Microsoft, Apple nixed the fan in favor of a simple aluminum heat spreader hanging off the left edge of the logic lath.
If that move has yous groaning slightly, we understand. Recent history arguably warrants a picayune cynicism here. The Air hasn't had the best track record with thermals—it was starting to gain a reputation—and the cooling solutions in some other Apple tree notebooks are famously anemic. And then yous might worry that the fan is the new headphone jack, an inevitable victim of designers obsessed with slim, light slabs and minimaluminiumalism.
Merely at that place'south something to be said for the fanless simplicity of the iPad (Apple's other computer). If this new thermal arrangement is truly enough to come across the M1's needs—and early on reviews point that for most workloads, it is—information technology means less maintenance and one less bespeak of mechanical failure. Will anyone actually miss having to open their laptop to de-gunk or supercede a dusty old fan? Maybe somebody will. Maybe fifty-fifty us. But allow's be real: the best repair is the one you never accept to make in the first place.
In that location's just not much to go incorrect here. A thick common cold plate over the M1 processor draws heat via conduction to its flatter, libation stop, where it can safely radiate away. Without a fan, this solution may take longer to cool off, and may cap out sooner, only by foregoing heatpipes or a vapor sleeping accommodation, the sink also has more than mass to saturate with thermal energy. There are no moving parts, and nothing to break. Yous'll want new thermal paste occasionally, and that's virtually information technology.
Apart from the new board and cooler, the rest of the Air remains all merely identical to its predecessor. There's a new battery model, with minimally different specs. The repair procedures will probable remain about totally unchanged. As for the board and the M1 itself, more on that beneath.
MacBook Pro—Mostly the Same, Which Is Different
The MacBook Pro sees even fewer internal changes than the Air, and in a way, that is a surprise in itself. We'd expected—nay, hoped—to see some consolidation of MacBook parts and design. These machines are, after all, running the aforementioned chip, and the same OS, on near identical screens. Interchangeable parts (such every bit nosotros found in some of this twelvemonth's iPhones) would significantly increase your odds of finding replacements down the line, since more of them get produced. In a pinch, yous can even pilfer parts from devices that aren't exactly the same as yours. And the repair procedures tend to be similar if not identical.
But the two-port MacBook Pro and the new MacBook Air nonetheless hail from completely different evolutionary lines. Nowhere is that more than apparent than in the Pro's familiar thermal design. The M1 MacBook Pro's cooling setup is very similar to that of its Intel-based ancestors: nothing fancy, just a copper heat piping carrying heat abroad from the processor toward a small heatsink, where the hot air is promptly shown the door grille by the fan.
Speaking of the fan, in that location has been some calorie-free speculation that these new machines run so impossibly tranquility even nether heavy load, they might be concealing some nigh-magical new cooling tech. It turns out, not and so much: our M1 MacBook Pro's single fan is identical to the fan in the two-port Intel MacBook Pro 2022 we picked up earlier this year. Not similar—identical.
In other words, what y'all're non hearing there is the audio of an aggressive fan curve. This matter likely never spins at more than a fraction of its upper limit. Call up, this same M1 chip performs well in the fanless MacBook Air, then this fan likely doesn't have all that much to practice even under extended load. The M1 is, plain, just that skilful.
Hello, World—Encounter the M1
Speaking of which, hither'southward the affair you lot came here to meet: the brand-new M1 package at the center of both these notebooks.
Apple gave its M1 SoC a very thorough introduction during their keynote on the 10th. Here's the short version: The M1 is built on a cutting-border 5-nanometer process (five nm = smaller transistors for more performance with less energy), like the A14 Bionic in the new iPhones. It packs eight CPU cores (four optimized for performance, and four more for efficiency), and an integrated GPU with either vii cores or 8, depending on which config yous gild. (Both use the same M1 chip off the verbal same product line, but Apple sorts them in a process known every bit "binning" where slightly lower-quality silicon results in 1 GPU core being disabled.)
Next to the shiny silvery M1 chip on each board you'll detect ii minor black rectangles. Those are the new "integrated" memory chips: 8 GB (2x 4 GB) of SK hynix LPDDR4X retention. Apple calls this UMA, or Unified Memory Architecture. If it looks familiar, it might be because y'all've seen i of our contempo iPad teardowns. It's no surprise that Apple copied some of its own homework hither. By baking RAM into the M1 bundle, each part of M1 (CPU, GPU, Neural Engine, etc) tin access the same retention pool without having to copy or enshroud the information in more than than i place.
This design increases speed and efficiency, but nosotros must acknowledge it is slightly devastating for us, the people who scout Apple'due south keynotes crossing our fingers and squinting for a glimpse of user-attainable retention or storage inside their newest devices. User-upgradable parts tin significantly prolong the lifespan of any computer (especially entry-level models similar the ones nosotros have here). Applications and media files go along to airship in size, operating systems gain more than features, and restricting whatever estimator to a permanently fixed amount of storage or memory is to sentence it to an inevitable early decease. We have no dubiousness Apple could engineer this memory technology to exist user-upgradeable (or even just user expandable, perchance?) but nosotros're not optimistic that it'south top of their priority list. Regardless, we'll go along hoping 'til next year. Apple says this silicon transition will have ii years, and there are no dubiety even more than performant chips on the way, aimed at professionals with even more than enervating needs.
Hither's the consummate roster of chips nosotros found in both these machines:
- Apple tree M1 SoC (Master die + 2x Hynix 4GB LPDDR4X 4266 MHz ICs)
- Intel JHL8040R Thunderbolt iv Retimer (x2) (basically a Thunderbolt 4 extender/repeater)
- (Western Digital/SanDisk?) SDRGJHI4 – 128GB Flash storage (x2)
- Apple tree 1096 & 1097 – Likely PMICs
- Texas Instruments CD3217B12 – USB and power commitment IC
- Apple tree USI 339S00758 – Wi-Fi 6/Bluetooth 5.0 module
- Winbond Q64JWUU10 – 64 Mb serial flash retention
- Renesas 501CR0B
- Intersil 9240H1 (besides seen in 2022 MBP 13")
- National Semiconductor 4881A07
- Siliconix 7655 – 40A bombardment MOSFET
In terms of differences between the two boards, we noted the Pro comes with a beefier power phase design and a couple extra I/O expander fries, too as storage chips from Kioxia (formerly Toshiba):
- NXP PCAL6416AHF (marked L16A) – I2C/SMB I/O expander (x2)
- Kioxia KICM232 VD6303 CHNA1 2029 flash storage
Notably absent-minded in this sea of silicon is the infamous T2 scrap. For years building up to this 2022 M1 release, Apple has been offloading numerous tasks (particularly security/encryption related things) from Intel's processors to their ain custom T2 chip.
Those functions accept come home inside the M1, which has a Secure Enclave and a host of built-in security features, but like recent A-serial chips. Now that Apple tree handles so much of the Mac's silicon in-house, nosotros should probably look this kind of consolidation to continue.
Final Thoughts
What to brand of our first peek at the hereafter of the Mac? What may seem like superficial changes are actually the expression of years of intense work, with hints of a lot more to come up. These are the MacBooks Apple has wanted to ship for years, fabricated on its ain terms. They're quiet, fast, and interesting. They're also less attainable for upgrades and repairs, and are going to be difficult to repair outside Apple tree's network for the foreseeable future. At that place should be a word for proud and disappointed—disaprouded?
Did nosotros miss annihilation? Got any hot tips for u.s.a.? Allow united states know in the social sphere, or in the comments below!
Source: https://www.ifixit.com/News/46884/m1-macbook-teardowns-something-old-something-new
Posted by: schradersammat.blogspot.com
0 Response to "X3ap How To Repair Ship?"
Post a Comment