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% Apple’s Last Dance With Intel: iMac 27″ 2020 Teardown (With X-rays) iFixit News Ana içeriğe geç Eşyalarını Tamir Et Topluluk Mağaza Teardowns
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But first—X-rays! Even though our partnership with Creative Electron dates all the way back to 2014, we’ve somehow never had the opportunity to collaborate on this generation of iMac.
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Well, we couldn’t let that slide. And it’s a good thing we didn’t, because seriously, just look at it: Click that image and expand it to inspect every nook and cranny of the outgoing iMac.
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The darkest areas are the densest, consisting of things like speaker driver magnets, reinforced hinges, and copper heat pipes. As if that weren’t enough, our friends in the X-ray business also scanned the keyboard and mouse—while it was still in the box. Because why bother unboxing anything when you can see right through everything? At this point they’re just showing off, but we have no complaints.
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When you’re through ogling, it’s time for some more conventional teardowning. Rumor has it we’ll find some storage that can’t be upgraded, but thank goodness there’s still a handy door around back allowing users to replace and upgrade the RAM.
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You won’t need any tools for that particular procedure, which, believe it or not, hasn’t changed since 2013. In this case, that’s a good thing. Beneath the hatch, you can install up to four standard 260-pin DDR4 sticks.
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But that’s where the easy part ends. The massive 27” screen from LG still has to be carved from its standard gluey frame and carefully maneuvered free.
New mic and webcam at just the right time
Apple’s upgraded webcam, which we expected to find mounted at the top of the iMac’s aluminum enclosure like in years past, is now screwed onto the back of the display panel.
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That means there’s one extra cable to disconnect when removing the display—already an awkward procedure—but in the scheme of things, this “booby trap” cable is but a quibble. It’s still mostly modular, and remote workers will be pleased with the upgrade to full 1080p resolution.
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But we’re puzzled: no Face ID? Since the hardware fits into an iPhone, it seems like there’d be plenty of room for it here. Does the iMac’s lack of portability imply more security?
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Is the viewing angle wrong? Are they saving that for their Apple-driven desktop?
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Perhaps time will tell—but for now, the iMac still lacks biometrics of any kind. Another upgrade that will please the homebound: where once there was but one lower mic, now there are two—hiding behind two tiny dots in the lower frame, where the display rests. Dual mics help with triangulation and noise reduction, improving the quality of your audio during all your many Zoom meetings.
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(And don’t forget there’s still a third mic, up top near the camera.) With display and Zoom-accessories accoutrements dispatched, we turn to the guts. Surprise, surprise: looks like Apple has filled that vacant hard drive space with … nothing!
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The huge 3.5” desktop drive that used to occupy the spot above the power supply may have been past its prime, but we appreciated how easy it was to find replacements and procure upgrades. Since the space isn’t being used, we can only hope Apple left the SATA headers in place on the back of the logic board. Fingers crossed that upgrades are still viable—we’ll find out for sure once the board is out.
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One repair casualty unfortunately carried over from the 2019 iMac: the formerly modular wireless card is soldered to the logic board. Not the end of the world, but, why?
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This move didn’t free up any space, and will make associated repairs more expensive. Remember Apple’s infamous, do-everything T2 “security” chip?
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This marks the first time we’ve found it in a non-Pro iMac, and as usual, it’s got a lot of jobs: hardware-based encryption, SSD control, processing microphone input—and, these new speakers get some support as well. From Apple: “the T2 Security Chip also works with the speakers to enable variable EQ for better balance, higher fidelity, and deeper bass.” Not super necessary to hear your coworkers tinny conference-call voices, but probably good for bumping work-from-home tunes. Not much remains besides the logic board, and since its outward-facing side doesn’t have many other secrets to share, let’s go straight to the hidden stuff on the back.
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Here’ s where things start getting bleak
Hiding out under a metal shield, smack in the middle of this board: the T2 chip. Not hiding out on this board (or anywhere): socketed storage or SATA headers of any kind. Nothing.
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Zilch. This machine has exactly the same amount of internal storage serviceability as an iPad, which is to say: none.
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We celebrate that Apple is keeping people’s data safe, but we’ve seen them pair the T2 chip with upgradable storage before (twice, actually!), and we think this machine is Pro enough to deserve the same. Near the T2 chip is a shiny silver Toshiba 128 GB flash storage module, with a twin on the other side of the board, making for a total of 256 GB. To the right of the T2, partially hidden under the RAM cage, you’ll find the LGA1200 CPU socket—that’s right, this machine is Pro enough for an upgradeable CPU, apparently. Ours is currently populated with the new Intel Core i5 10500.
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To the right side of our board are two SK hynix 4 GB DDR4 DRAM sticks. Finally, front and center (even outlined in gold for us) is AMD’s Radeon Pro 5300 GPU, surrounded by four 1 GB GDDR6 memory chips. Last thing to note on this board is the group of solder-pads and an accompanying screw mount hiding in plain sight above the I/O block. It’s hard to say for certain whether these are purely leftovers from previous models with removable PCIe storage blades, or a placeholder for a “flash storage expansion board” as reported by MacRumors in higher-end 4 TB and 8 TB configurations.
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We suspect the latter, and it’s at this moment we’re wishing we had shelled out a bit more on order day. We’ll update this post if and when we get to the bottom of this mystery. With the newest iMac sufficiently dismantled, we turn our attention to the repairability score.
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The dead-simple RAM replacement procedure—even easier than most tower PCs!—truly saves this machine from abject repairability disaster. Apple’s iMac 27” Retina 5K Display (2020) earns a 4 out of 10 on our repairability scale (10 is easiest to repair): RAM is easily user-replaceable with off-the-shelf parts.Once inside, most components are modular and fairly straightforward to remove using standard Torx and Phillips drivers.You can replace or upgrade the socketed (LGA 1200) CPU.
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Cutting into the iMac is awkward even with the right tools, and closing it up afterward requires patience and access to Apple’s custom-cut adhesive strips.As always, the exposed power supply adds an element of… excitement.There’s no possibility of altering the internal storage—a major blow to repairs, upgrades, data recovery, and in some cases, security. One repairability point that Apple seems to be forfeiting this year, after briefly reclaiming it last year, is for publishing its service manual.
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At the time of writing, there’s no service manual for this iMac on Apple’s support site. We understand posting last year’s manuals was a controversial decision within Apple, but it was the right thing to do—and we’ll happily revise this score to a 5 out of 10 should Apple choose to publish in the future.
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Oh, and while it’s not worth a point, we won’t complain if the manuals just happen to appear on our site or elsewhere on the internet. Failing that, here’s hoping the rumored ARM-based redesign takes a few serviceability cues from the 2019 Mac Pro—we’re still reeling from an Apple device that scored a 9/10. Related Stories Wallpapers
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Yorum Ekle Is the display unit the same as in the 2019 model? The connector of the now display screwed webcam looks the same as the iMac from last year and so does the data cable and power cable.
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And is it possible to put a normal 10900 or 10900k in the machine if Apple is using a custom 19100 variation for the high end config? Tom - 10 Ağu 2020 Yanıt Hi iFixit, As for the 256 GB configurations : there are 2 flash nand soldered, 1 on the back side of the logic board, 1 on the front side As for the 512GB to 2 TB : there are 4 flash nand soldered, 2 on the back side of the logic board, 2 on the front side As for the 4TB and 8 TB configurations : - yes there is a flash expansion module, but it contains only HALF of the flash storage - the other half of storage is still soldered to the logic board.
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So for this iMac 27” 5K 2020 : - all configs from 256GB to 2TB of storage have 100% of their storage soldered - the 4 TB configuration has 2TB soldered and 2 TB on a separate module (similar to the ones of the iMac Pro and Mac Pro - the 8 TB configuraiton has 4TB soldered and 4 TB on a separate module This iMac has been conceived with limited ingeneering efforts, so even if there’s plenty, plenty of space, Apple did not choose to offer upgradability gilles - 11 Ağu 2020 Yanıt “- the 8 TB configurations has 4TB soldered and 4 TB on a separate module”. Is it possible to have the operating system on one 4TB and data on the other 4TB? Or is it possible to run Windows on one 4TB and Mac OS on the other?
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Does it let you choose onto which SSD to install files or operating systems? Mozhand - 11 Ağu 2020 OWC teardown an iMac 27” 2020 with nano texture glass, 4TB SSD, and confirmed that 4TB SSD version has 2TB soldered on board and 2TB on an extra flash card.
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T2 chip controls the storage, so only one storage can be seen in OS level. checkout OWC video: https://www.youtube.com/watch?v=e8PVW2E0... petersun - 4 Kas 2020 Is Apple using i9-10900kf without the HD 630 graphics or the i9-10900k?
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Mozhand - 11 Ağu 2020 Yanıt Daha fazla yorum yükle
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