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简介

苹果静悄悄的更新了它们的专业级笔记本电脑,让它们变得更加……安静?看起来他们像是改进了脆弱的键盘

于是我们就想,新款的机器里面到底有哪些新东西?我们所需要做的只有两件事:找一个靠谱的拆解团队,以及丢给苹果足够的钞票。拿上你最好的维修工具,让我们一起一起探寻内部——我们正拆解全新的 2018 款带有触控条的 13 英寸 MacBook Pro。

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这个拆解是不是维修指南。 要维修你的的MacBook Pro 13" Touch Bar 2018,请使用我们的维修手册

  1. 在我们将螺丝刀伸向机器之前,我们先看看机器的技术规格。 13.3 英寸 LED 背光的视网膜显示屏,带有原彩显示技术,2560 x 1600 分辨率 (227 ppi) P3 广色域
    • 在我们将螺丝刀伸向机器之前,我们先看看机器的技术规格。

    • 13.3 英寸 LED 背光的视网膜显示屏,带有原彩显示技术,2560 x 1600 分辨率 (227 ppi) P3 广色域

    • 2.3GHz 四核英特尔®酷睿™i5-8259U 处理器,Turbo Boost 高达 3.8GHz,集成 Iris Plus Graphics 655 核芯显卡。

    • 苹果 T2 协处理器

    • 8GB 2133 MHz LPDDR3 SDRAM 内存

    • 256GB 基于 PCle 的固态硬盘

    • 802.11ac Wi-Fi和 蓝牙 5.0 无线技术

    • 四个 Thunderbolt 3 (USB-C) 接口,支持充电、DisplayPort 视频输出、Thunderbolt 技术 和 USB 3.1 Gen 2

  2. 剧透警告!就像往常一样,我们喜欢用超级英雄的视角来看看我们罹难者的内部。 我们的 X-光照片能呈现在你眼前得益于我们在Creative Electron 的心灵手巧的小伙伴的援助。 别担心,我们会把它拆开的,请继续看下去。。。
    • 剧透警告!就像往常一样,我们喜欢用超级英雄的视角来看看我们罹难者的内部。

    • 我们的 X-光照片能呈现在你眼前得益于我们在Creative Electron 的心灵手巧的小伙伴的援助。

    • 别担心,我们会把它拆开的,请继续看下去。。。

    how many fans in ‘2018 macbook pro 13’ without touch bar

    qinbinlai - 回复

  3. 我们打开了去年的 13 英寸带触控栏的 MacBook Pro来进行一个快速的对比,如果说我们仅仅从外观上进行判断的话,我们会说这两台机器简直就是同一台电脑。 苹果宣称新款的蝶式键盘更加安静,但另一方面,其实并没有什么改进。在对一个接一个的键帽进行猛烈的敲击之后,我们发现键盘的声音变得更加低沉,没那么响的键盘,但没什么可以从分贝值大小来判定的区别。 当然,如果你看到了早些时候我们针对 15 英寸机型的报告,你可能已经知道这是怎么回事了。如果没有提前阅读的话, 我们正在努力,你稍后就会看到了。
  4. 我们的拆解在认真的气氛中开始了—— 我们干掉了六胞胎五角螺丝,立刻联想到了现在进行的是我们再熟悉不过的拆解步骤。 打开盖子看到的第一眼,内部像极了去年和前年的 13 英寸 MacBook Pro。 看了第二眼之后,我们决定来个特写镜头。
    • 我们的拆解在认真的气氛中开始了—— 我们干掉了六胞胎五角螺丝,立刻联想到了现在进行的是我们再熟悉不过的拆解步骤。

    • 打开盖子看到的第一眼,内部像极了去年前年的 13 英寸 MacBook Pro。

    • 看了第二眼之后,我们决定来个特写镜头。

    Internal air vent / fan circles seem like an angry face. https://www.youtube.com/watch?v=djVjHOwL... Reminds me of Roberto from Futurama.

    Nick Richards - 回复

    Can you share a high-resolution version of image three above? This would make a great laptop skin.

    Marc Jacobs - 回复

    @marcja We upload all iFixit images in their original, full resolution (usually about 40 MP). Just click the image to expand it. If you see a .huge extension in the image URL, delete it and refresh the page for some additional resolution.

    Jeff Suovanen -

    • 我们不费吹灰之力断开了电池排线,它被一颗 T5 内梅花头螺钉固定着,所以我们使用了我们的蓝色和黑色的专业螺丝刀来拆开它。

    • 新的容量为 58 瓦时的电池比在旧款 13 英寸带触控栏的 MacBook Pro 所使用的49.2 瓦时的电池大了不少。

    • 事实证明额外的电池容量来自于明显大了许多的电池。这次是六组电池,而不是旧款的五组。由于数量变多,重量也相应从旧款电池的 196.7g 增加到了 232.7g。

    • 但是新款 MacBook Pro 的总重量并没有发生任何变化,我们不太清楚苹果到底给哪个部分减了重,但看起来苹果减少了上壳 (B 面) 的重量。

    • 尽管如此,苹果依旧给出了与前代相同的续航时间。多出来的两个核心可不是吃素的。

    • 升级过的新扬声器 (图中右边的) 也变大了。现在它们变得更长,更窄,填充了电池以外的剩余空间。得益于经过修改的底壳设计,扬声器直接顶到了一旁的主板。

    We're not sure which parts of this device have been on a diet, but it does look like Apple shaved some mass off the top case.

    Could you show us visually the difference if you’ve spotted it?

    Kenneth - 回复

    @vipersonic We haven’t done a comprehensive comparison, but I can tell you one or two things off the top of my head. Take a look at this image and note the thin divider separating the logic board from the battery/speaker area. On the old model at left, the divider is thicker and extends all the way to the edge of the case. In the new model it’s not only thinner and smaller, but Apple has carefully hollowed out large holes all along its length. (You can’t see the holes in the photo, but they’re very obvious with the components removed.) I’d guess they removed roughly half the mass from that inconspicuous little strip of aluminum.

    Jeff Suovanen -

    Am I correct that in order to swap the battery, the logic board needs to be completely take out unlike the new MacBook Air 2018? I can’t find a single video of complete MacBook Pro 13-inch 2018 disassembly and/or full steps to replace the battery.

    Roman - 回复

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  6. 唯一的好消息:触控板和前代一样采用了可更换的设计,只需拧下一些六角螺丝它就会掉下来待你取下。 我们看到了触控板下方的第一组芯片(看起来和2016 年的完全一致) 意法半导体 STM32F103VB ARM Cortex-M3 微处理器
    • 唯一的好消息:触控板和前代一样采用了可更换的设计,只需拧下一些六角螺丝它就会掉下来待你取下。

    • 我们看到了触控板下方的第一组芯片(看起来和2016 年的完全一致)

    • 意法半导体 STM32F103VB ARM Cortex-M3 微处理器

    • 博通 BCM5976C1KUFBG 触摸控制器

    • 美信集成 MAX11291ENX 24位、6 通道滤波器

    • 同时,我们也不禁注意到旧款机型的未知接口——用于数据恢复,神秘的消失了。

    • 由于这款 MacBook 采用了无法移除的硬盘,苹果一定有一种新的数据恢复方式?

    • 更新:并没有—终于有了

    It’s missing because of the new T2 chip managing drive encryption. I don’t know if there’s a new recovery method or not, but perhaps there’s a new port-to-nowhere near the T2 chip?

    Phillip Rosenthal - 回复

    Looks like one of the Thunderbolt ports on the right-hand side, probably the one closest to the headphone jack, is connected to the T2 by way of a USB switch. This is probably the port that is used to perform a DFU restore of the iBridge, like on the iMac Pro ( https://help.apple.com/configurator/mac/... ) It’s possible that data recovery could also be performed via that Thunderbolt port given the right tools.

    repoman27 - 回复

    Nah. The MacBook Pro is becoming like iOS devices: outside of backups, nothing will be recoverable.

    Given the T2, having a service port or a Thunderbolt port form which data can be extracted would amount to having a backdoor.

    Dean Lubaki -

    With the benefit of new info, I think we can safely say repoman27 nailed it.

    Jeff Suovanen -

    Ummm… Isn’t the port-to-nowhere on the other side of the board, next to the right-side cooling fan? Looks like it to me in the photos presented here.

    shamino - 回复

    @shamino No. The port on the right side of the fan screwed down by a metal plate is a port where a flex cable to the Touch Bar is connected to. The Touch Bar has two cables, one that sends input to the logicboard, and another that sends display signals and power to the Touch Bar.

    just1ed - 回复

  7. 苹果在其新闻稿中对第三代蝶式键盘的描述持有谨慎态度。更安静听起来似乎不足以描述发生了什么,我们认为这里面一定有些未知的猫腻。 有了长达三年的移除键帽的经验,我们现在可以在不伤害到脆弱的键帽的前提下取出整个键帽,我们应该得到奖励。 你可能已经听说过了,键帽下方有全新的橡胶薄膜。
    • 苹果在其新闻稿中对第三代蝶式键盘的描述持有谨慎态度。更安静听起来似乎不足以描述发生了什么,我们认为这里面一定有些未知的猫腻。

    • 有了长达三年的移除键帽的经验,我们现在可以在不伤害到脆弱的键帽的前提下取出整个键帽,我们应该得到奖励。

    • 你可能已经听说过了,键帽下方有全新的橡胶薄膜。

    • 苹果宣称全新的键盘设计纯粹用于减少噪声,但它与 2016 年申请的的键盘防尘专利有可疑的相似之处,这可能有助于减少我们了解到的蝶式键盘故障。

    • 这显然需要进一步分析。 我们将在本周晚些时候对键盘情况进行更深入的研究。 敬请关注!

    Are you able to put a more detailed guide on key cap removal?

    Matt Hall - 回复

  8. 是时候解放这块主板了顺便看看周边! 像往常一样,一块大小适中的散热板负责了处理器和核心显卡的散热工作。以及苹果特色的过量的导热硅脂。 我们看到的第一片芯片:苹果 T2!
    • 是时候解放这块主板了顺便看看周边!

    • 像往常一样,一块大小适中的散热板负责了处理器和核心显卡的散热工作。以及苹果特色的过量的导热硅脂。

    • 我们看到的第一片芯片:苹果 T2!

    • 最早于iMac Pro上现身,苹果 T2 定制芯片接管了 Mac 上数量可观的功能,但我们依旧可望在主板上看到更多芯片,让我们一起看看吧!

    Hello,

    is it possible to make a full teardown video from the logic board with all steps/screws/cables needed to remove shown? I want to repaste my MacBook but without a proper guide to remove the logic board I’m not that confident?

    Atlan - 回复

    @atlan This model is brand new, so it’ll probably be a while before we have much for you in the way of guides. Not many people looking to take these apart while they are still under warranty.

    Jeff Suovanen -

  9. 以下是我们熟悉的芯片们: 第 8 代英特尔®酷睿™ i5-8259U 处理器及 Intel Iris Plus Graphics 655 集成式图形处理器
    • 以下是我们熟悉的芯片们:

    • 第 8 代英特尔®酷睿™ i5-8259U 处理器及 Intel Iris Plus Graphics 655 集成式图形处理器

    • 苹果 T2 APL1027 339S00533 协处理器,叠加于来自镁光的 1GB D9VLN LPDDR4

    • 东芝TSB 3226 J86404 TWNA1 (像是 2 颗 64GB 的闪存,这一边共有 128GB )

    • 4 颗来自海力士的 H9CCNNNBJTAL16GB LPDDR3 2133 MHz 内存(总共 8 GB)

    • 英特尔 JHL7540 Thunderbolt 3 控制器

    • 苹果/环旭电子 (USI) 339S00428 Wi-Fi/蓝牙模块

    • 338S00267-A0 芯片 (像是苹果的 PMIC)

    No SSD? What is this, something like eMMC??? O_o

    preziremprokletigugl - 回复

    8.0 GT/s NVMe PCIe x4. The T2 chip includes Apple’s own NVMe PCIe SSD controller.

    fastasleep -

  10. 我们将主板翻转过来,看到了其他的芯片: 2 颗东芝 TSB 3226 J86404 TWNA1 64 GB 闪存, 这面共有 128GB,总共 256GB
    • 我们将主板翻转过来,看到了其他的芯片:

    • 2 颗东芝 TSB 3226 J86404 TWNA1 64 GB 闪存, 这面共有 128GB,总共 256GB

    • 2 颗德州仪器 CD3215C00 83CFZST 芯片

    • Cirrus Logic CS42L83A 音频编解码器

    • 英特矽尔 95828A HRTZ X813HNK

    • 2 颗 恩智浦 6142F

    • 德州仪器 TPS51980A 同步降压控制器

    • 恩智浦 80V18 NFC 安全模块

    Any know why they have an NFC module in here? Some googling suggests it may contain a secure element, but surely Apple would put that in the T2 instead?

    Karl B - 回复

    You’re confusing Secure Element and Secure Enclave. The Secure Element is used to store Apple Pay information whereas the Secure Enclave is used to store cryptographic keys and is part of the A, T or S series chip (e.g. A12, T2, S2). What’s on the picture is the Secure Element. You can read about both on Apple’s iOS Security Guide (https://www.apple.com/business/docs/iOS_...)

    Dean Lubaki -

    @Karl B I’m guessing it’s to assist with continuity features. Like if you’re wearing an Apple Watch, you can just sit down at your MacBook Pro and it will unlock for you. https://support.apple.com/en-us/ht204681 I believe this also works via Bluetooth by calculating time of flight, but NFC is probably easier / more secure.

    repoman27 - 回复

    No. Continuity and the Apple Watch Mac Unlocking feature use Bluetooth.

    Dean Lubaki -

    How far can NFC work? A quick Google search says 10 cm, but Wikipedia says active NFC can be evesdropped on from as far away as 10 m - I’d assume the “legitimate” communication range would be about the same.

    jimwitte - 回复

    Efi IC intersil? Modelo?

    agustin capone - 回复

  11. 至于我们的饭后甜点:一块全新的 USB-C 电源适配器! 随新款 MacBook Pro 赠送的新款 61W 电源适配器型号为 A1947 (对比下方的老款型号为 A1718 的电源适配器) 所以是时候取出我们的超声波切割机了来继续拆解过程了! 在无比痛苦地穿过我们看到过的有史以来最多的外壳层和橡胶填充料之后,我们终于看到了内部结构。
    • 至于我们的饭后甜点:一块全新的 USB-C 电源适配器!

    • 随新款 MacBook Pro 赠送的新款 61W 电源适配器型号为 A1947 (对比下方的老款型号为 A1718 的电源适配器) 所以是时候取出我们的超声波切割机了来继续拆解过程了!

    • 在无比痛苦地穿过我们看到过的有史以来最多的外壳层和橡胶填充料之后,我们终于看到了内部结构。

    • 前一个适配器(左侧)对照新款看起来简直就是在公园里面散步。但看起来这个新款电源适配器好像拥有重新设计的内部,一些额外的屏蔽层,以及许多抗冲击泡沫橡胶。

    • 即便如此,苹果一同去掉了金属制成的 USB-C 接口,换成了塑料的。

    That “foam rubber” you are referring to is most likely silicone rubber. Silicone rubber is a type of potting compound that forms a gel-like substance once set. This substance serves as a non-conductive material that helps fix electronic components on a circuit board in place and has the added benefit of impact resistance and moisture resistance. Silicone rubber compounds can also be rated to various levels of fire retardant properties as well. This compound is commonly found in power supplies and can be referred to as “silastic” compound, which is a trademark held by Dow Corning.

    more info here:

    https://en.wikipedia.org/wiki/Potting_%2...

    https://www.youtube.com/watch?v=1xpcHgDP...

    Anthony Kouttron - 回复

    That said, Apple has also swapped the aluminum USB-C port for a plastic one ...

    It seems like a aluminum USB-C port covered by plastic/silicon

    Tuan Le Nguyen Anh - 回复

    swapped the aluminum USB-C port for a plastic one

    Could that be for some thermal reason (overheating ports?)

    jimwitte -

  12. 以下就是全新 2018 款 MacBook Pro 在经过拆解后我们看到的与前代的不同之处,包括:
    • 以下就是全新 2018 款 MacBook Pro 在经过拆解后我们看到的与前代的不同之处,包括:

    • 一个更大的电池而且将扬声器压缩到了一个更加狭窄的规格。

    • 一个在键帽下方垫了橡胶薄膜的新款键盘,或许被用来实现噪音阻隔,但这与苹果的防尘键盘专利相匹配。

    • 看起来没有丝毫变化的散热系统,除了过量的导热硅脂以外。

    • 拆解更新:我们想深入钻研一下新键盘,所以我们做了一些测试,然后又给了专门给它一个拆解。 一探究竟!

    • 另外如果我们错过了什么,去看看我们早些时候的2016 款和 2017款带触控栏的 13 英寸 MacBook Pro,你将会在那里找到的!

    With the obscene amount of thermal paste apple puts on these things (WHY APPLE WHY?), would you recommend reapplying it—especially with an i9 on the 15” model. I’ve already seen one report about CPU throttle on the MBP 15 i9 and am wondering if I should do this as a preventative.

    steve.benfield - 回复

    Depends on how important it is to you and also your level of risk tolerance. If you’re experienced and confident in your ability to do this without damaging anything, sure, go for it. I personally hesitate to ‘‘‘recommend’’’ doing something like that on a brand-new machine that’s still under warranty, especially given that the throttling reports have been a bit inconsistent—if it’s as bad as some people say, an improved application of thermal paste is unlikely to make much difference. Might want to wait a bit and see how things shake out.

    Jeff Suovanen -

  13. 最后的想法
    • 触控板可以在不移除电池的前提下轻松取出。
    • 处理器、内存、闪存等均被焊接在了主板上,维修和升级工作是不现实的。
    • 上壳总成,包含了键盘、电池、触控板和扬声器被胶水粘在了一起,让这些部件变得难以分离。
    • 触控 ID 按键兼做电源按钮,且与主板上的 T2 芯片配对,修复电源开关需要来自苹果的服务,或者一块全新的主板。
    可修复性评分
    1
    可修复性10分中得1分
    (10是最容易修复)

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RAID 0 SSD? From Samsung?

Peter Gamble - 回复

Hi Peter,

The “SSD”/flash memory is made by Toshiba.

Arthur Shi -

Not in this series.

Keep in mind the T2 is a flash controller, so Apple is side stepping the PCIe/NVMe issue of the SSD instead using raw flash chips which are interleaved simular to how memory is done. The T2 presents the PCIe/NVMe interface to rest of the system.

In truth it’s like RAID, but it’s not! It’s something newer! As it’s soldered to the logic board Apple can get away with this.

Dan -

To elaborate on what Dan said, the T2 chip includes Apple’s own NVMe PCIe SSD controller, which they developed in house. Like most SSD controllers, it uses multiple channels (maybe 8 in this case?) to address the NAND flash dies and increase performance through parallelism. Both the T2 and the NAND flash packages are soldered directly to the logic board. It is also likely that the drive can tolerate the failure of individual blocks and pages, or perhaps even whole NAND dies by using parity data.

This is a different concept than RAID though, which employs Redundant Arrays of Independent Drives to increase availability and in some cases performance. RAID 0 in particular ditches the redundant bit and stripes across an array of independent drives purely for increased performance. Apple decided to put the NAND flash packages for the iMac Pro on a pair of removable modules, however they were in no way independent drives. There was still only a single SSD controller located in the T2 chip on the logic board.

repoman27 -

The T2 processor should not be NAND Flash controller here. T2 is more like a RAID controller. Refer to https://duo.com/blog/apple-imac-pro-and-... The Toshiba chip here could be a PCIe/NVMe SSD in BGA chip package(like the one in the iPhone/iPad). The physical interface between T2 and Toshiba chip could be PCIe interface. T2 processor is also used to replace TI’s SMC controller.

JJ Wu -

@JJ Wu, The SSD controller is in the T2. To quote Apple: “Introducing the Apple T2 chip, our second-generation custom Mac silicon. By redesigning and integrating several controllers found in other Mac systems — like the system management controller, image signal processor, audio controller, and SSD controller — T2 delivers new capabilities to the Mac.”

The notion that the iMac Pro used independent drives in RAID 0 is a widely held misconception that is entirely inaccurate. Look at the packages on the modules. They are commodity multi-chip NAND packages that connect to the SSD controller in the T2 using a typical NAND bus architecture. This is essentially the same SSD as in the iMac Pro but the NAND packages are on the logic board instead of on independent modules.

repoman27 -

@repoman27  i talked to Apple store employee. The SSD module used in the Apple iMac Pro can be replaced by other PCIe SSD(Apple does not recommend doing that) and the employee said it is PCIe interface which means it can not be typical NAND interface.

This is an example of BGA SSD on M.2 module https://www.anandtech.com/show/12819/the...

JJ Wu -

@JJ Wu The SSD in the iMac, Mac Pro, MacBook Air, and MacBook Pro (Late 2013 - 2015) is a PCIe SSD with a proprietary form factor and connector. If you have installed macOS 10.13 High Sierra or later, the firmware will be updated to unofficially support 3rd party NVMe PCIe SSDs. Then you can use an adapter to physically convert from Apple’s proprietary interface to M.2 2280 or whatever and replace the drive. Third party solutions emulating Apple’s form factor and connector are also available for these models.

That is not at all the case for the *iMac Pro*. No adapter exists because the NAND flash modules are not independent drives and are not connected to the T2 via PCIe. Look at the iFixit teardown of the iMac Pro. Try searching for an adapter or third party SSD upgrade solution. You will not find one.

repoman27 -

Data recovery from a failed logic board is probably handled by the T2 chip, since it serves as the flash controller. If the T2 chip is toasted, the contents of the flash memory are probably beyond recovery, since the T2 almost certainly uses a hardware key as part of the encryption scheme. No idea about how service techs would communicate with the T2 on an otherwise failed board. Maybe via an existing bus connector?

Andrew Morrow - 回复

Intel JHL7540 Thunderbolt 3 Controller? The new Titan Ridge controller? Does that mean these MacBook Pros support DisplayPort 1.4?

Razvan Dudas - 回复

Wow, new TB3 controller, really? Does that mean these 13-inch notebooks now have full-speed on all four TB3 ports?

Faberge Fabulous -

That was already confirmed, yes. The new 13-inch MacBooks have full-speed on all four TB3 ports (as fas as I know, the previous generation didn’t not because of the controllers, but because the Intel CPU itself only had 12 PCIe lanes, which weren’t enough to have full-speed on all 4 ports). But I haven’t seen the DisplayPort 1.4 support mentioned anywhere, which is why I presumed that Apple didn’t update the controllers to the Titan Ridge generation.

Razvan Dudas -

Ok, it seems I was too optimistic. According to Anandtech:

It's also worth noting that since the DP 1.4 spec is not supported by Intel's iGPUs, Intel-powered notebooks and desktops looking to take advantage of Titan Ridge's DP 1.4 functionality will have to use dGPUs to drive their TB3 controllers. This will somewhat increase the complexity of these designs, since previously most vendors only needed to route the iGPU to the TB3 controllers.

So it's certain that the 13-inch MacBook Pro does not actually support DisplayPort 1.4, because the integrated Intel GPU does not support it (and you cannot add a dGPU to the 13-inch MacBook Pro). As for the 15-inch MacBook Pro, it remains a possibility, but I don't think that Apple did in fact decide to use the dGPU to drive the Titan Ridge controller, which means that the 15-inch MacBook Pro doesn't support it either, I presume.

Razvan Dudas -

External displays are always driven by the discrete GPU on the 15-inch, so there is still hope there. I believe the internal display is connected to the Intel integrated GPU via eDP to allow graphics switching, but 4 DisplayPort main links from the AMD GPU feed the two Thunderbolt controllers.

repoman27 -

Any ETA on the 15” 2018 model teardown? Specifically, I’m wondering if the SSD on the 15” is soldered as well! If it’s non-upgradeable SSD like this 13”, then I need to invest in higher storage to last me over the years but I’d definitely prefer not to have to if possible! I hate how these beautiful machines are becoming less and less upgradeable.

helio - 回复

Hi Helio,

The “SSD” on the 15 inch follows the same setup: flash memory chips soldered onto the motherboard, with the T2 chip acting as the controller.

Arthur Shi -

Are we getting a Blackmagic Design eGPU teardown?

msscheeren - 回复

Can‘t way to see the analysis of the new keyboard. If it does fix the sticky issues, I am more than willing to buy a 2018 mbp. But if it’s not a reliable solution, I guess I’ll have to wait for the next gen.

Eager Wu - 回复

Is this model can stream 4K iTunes movie ready?

Ming - 回复

The Apple/Universal Scientific Industrial (USI) 339S00428 Wi-Fi/Bluetooth module is the same chip used in the iMac Pro. The iMac Pro specs out Bluetooth 4.2. The 2018 MPB has Bluetooth 5.0. The chip is clearly capable of a software upgrade. Apple/USI have been very secretive about this chip. The Pro designation means that creatives would be using their computers requiring increased throughput in dense user environments. High-Efficiency Wireless (HEW), IEEE 802.11ax provides 4x throughput in these environments which will be widely available in 2019 before the next yearly upgrade. Broadcom, Qualcomm, Marvell and Quantenna currently all have 802.11ax chips which Apple passed over. 802.11ax has the same antenna matrix as 802.11ac so the 2018 MPB can accommodate 802.11ac. Is the USI 339S00428 Wi-Fi/Bluetooth module upgradeable to 802.11ax (like MBP chips supporting 802.11g were surprisingly able to upgrade to 802.11n)?

Malibu Art - 回复

How many spatial streams are supported on 802.11ac? 3 or 4?

Raoul H -

Newer specs often adopt and standardize features that already existed as proprietary extensions to the previous version. Thus a quick firmware or driver update can bump up the revision number because some of those features were already supported by the silicon. (e.g. 802.11a/b/g hardware that included “draft n” features could become 802.11a/b/g/n via a software “enabler”. ) That appears to be the case with this USI module and Bluetooth 4.2 > 5.

It is incredibly unlikely that this module contains certain functionality necessary to implement the more compelling aspects of 802.11ax. In particular, OFDMA isn’t something that can just be bolted on via a firmware update.

Apple’s use of 3x3:3 Wi-Fi modules in MacBook Pros already makes them 50% faster than any integrated laptop solution from other vendors.

@Raoul H, 4 spatial streams are supported under 802.11ac, but usually only by access points. Apple is the only OEM I am aware of to ship a laptop with support for more than 2 spatial streams.

repoman27 -

Thus a quick firmware or driver update can bump up the revision number because some of those features were already supported by the silicon. (e.g. 802.11a/b/g hardware that included “draft n” features could become 802.11a/b/g/n via a software “enabler”. ) That appears to be the case with this USI module and Bluetooth 4.2 > 5.

It is incredibly unlikely that this module contains certain functionality necessary to implement the more compelling aspects of 802.11ax. In particular, OFDMA isn’t something that can just be bolted on via a firmware update.

The question is whether the silicon already supports 802.11ax which can be accessed through a software upgrade just like Bluetooth 5.0.. Apple is already part of the consortium of manufacturers supporting Draft 3.0 of 802.11ax. Most OEMs have chips now and will release hardware this year in time for the holiday season. Why wouldn’t Apple/USI reward its Pro lines with the shiniest new silicon for a Pro environment next to a six-core CPU?

Malibu Art -

Do you mind reviewing my question regarding the MBP 2018 vs. 2017 Power Adapter? Interesting issue I discovered, not sure if it’s something well known. Eager to hear any/all thoughts.

Here’s the link: Difference Between 13" MacBook Pro 2018 and 2017 Power Adapters

Thanks!

Jay - 回复

It's the new charger got any different with the voltage or something?

zuxijun - 回复

I’d reckon it’s a complete redesign to be (more) compliant with the latest USB Power Delivery Specification Rev. 3.0, Version 1.2. That might have ramifications for charging iOS devices from these newer power adapters. AFAIK, Apple’s proprietary divider methods are no longer allowed, and to get certification, chargers must provide power according to the USB Battery Charging 1.2 spec instead.

I imagine this model also supports all of the normative voltage and current levels expected of a 60W USB Type-C charger according to the latest specs. So it probably provides better interoperability with non-Apple devices.

It may also include a programmable power supply. Hopefully someone manages to coax Benson Leung or Nathan K. into doing a little write-up on this.

repoman27 -

Why isn’t it possible to install the new keyboards with the protective membranes to the 2027 MBPs?

zjbird - 回复

I’m curious about this second generation T2 chip. Most folks never noticed, but an early generation of the Intel based MBP, I believe the (1,2) and/or (1,3) laptops produced in 2007 or so, also included the T2. It prevented non-blessed systems (i.e., Linux) from being installed. Only OSX and blessed MS Windows systems would work with those boxes. The only folks who noticed were those who tried to install Linux via rEFInd and a few other documented methods for modifying Apple’s UEFI. I still own a MBP (1,1) which I bought in 2006, and which has been running Linux ever since Apple discontinued OSX system updates. A friend acquired a (1,2) and was absolutely unable to use rEFInd as I had done for an install. With investigations and inquiries on the network, we discovered the T2 chip had been the problem. It looks like Apple again wants to “secure” its hardware from third party (Linux, Unix) OS installations.

William Vaughan - 回复

I have an early 2008 MBP, and it is very picky about booting Linux. I too have wasted many an hour messing around with various distros and bootloaders only to wind up frustrated. However, AFAICT it is due to the NVIDIA dGPU and chipset, not an evil plot by Apple. I recently booted Ubuntu 18.04 Bionic Beaver from a USB thumb drive successfully by simply adding the nomodeset boot option. You may want to give it a try if you’ve still got that hardware kicking around.

But I can pretty much guarantee that if there is a chip called T2 in the MBPs from that era, it shares absolutely no lineage with the current T2.

repoman27 -

The hottest laptop of the year.

Eliapple Techkid - 回复

Is there a guide anywhere here or on the web on a screen/LCD replacement? I’m not sure if this is possible, and if it is, if the part would be available to the general public this early.

GP16 - 回复

it’s pretty much the same as a 2017 LCD assembly, the internal Apple guides for both year models are the same, I just checked

rnikkel -

So the display assembly with previous models is compatible?

Mattis -

What is the clearance/distance between the heatsink and the bottom cover? I want to know to put the right thickness of thermal pads in between the two to transfer heat more effectively..

fastpowers94 - 回复

I just bought a 2018 15” MacBook Pro. But I opted for the lowest configuration of the highest tier. Mainly because I specifically asked the guy at the Apple store if I can upgrade the RAM and SSD later. He said I could. Is it really not possible to upgrade the SSD?

tylerv055 - 回复

As the RAM and “SSD” are now chips soldered onto the motherboard (see steps 9 & 10), upgrading will unfortunately look like turning in your MacBook for a new one.

Arthur Shi -

You could opt for external storage, but I wouldn’t consider that a true upgrade, and there’s no recourse for RAM at all.

Sam Goldheart -

Are any of the removable components secured by tape? The guide only lists Torx screws for fasteners.

Josh ❱ - 回复

Buonasera, io ho questo modello e stavo prendendo in considerazione l’idea di migliorarne le prestazioni, dato che per il lavoro che svolgo non sono sufficienti (mi occupo principalmente di video editing e motion graphic design)… Volevo chiedervi quindi, per migliorare le prestazioni di questo mac, è consigliabile sostituire fisicamente RAM e SSD? O è meglio acquistare un mac più prestante?

Grazie anticipatamente,

bell’articolo!

Stranementi - 回复

hi guys, this mac book pro cannot be upgradeable at all. So if you buy 128  gig of space your stuck with 128 ?

aleks - 回复

That is correct. You will have to expand with external/cloud storage.

Arthur Shi -

Good article, so my question, I can't change the processor, memory and hard drive?

Eulises Sanchez Jr - 回复

Hi Eulises,

Correct. The processor, memory, and hard drive are all chips soldered onto the motherboard.

Arthur Shi -

how to secure Erase ssd …When the MacBook pro 2018 no power. ?

Vu Phan - 回复

@vuphansj Either repair it so you can power it on, or start drilling holes through the main board storage chips. There’s no other option I’m aware of. Just one more way in which this design inflicts maximum hurt on both customers and the environment.

Jeff Suovanen -

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