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Hello everyone, today we will learn how to expand and reduce the capacity of Apple laptop hard drives

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Ordinary Apple laptop hard drive expansion is actually simple

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For laptops using these two hard drives, if you want to expand or reduce capacity,

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you can directly replace the same type of large-capacity hard drive

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For example, for this mechanical hard drive, if 320GB is not enough,

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you can replace it with 1TB or 2TB,just replace it with the same type

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Laptops with solid-state drives, such as A1989 and A1990, are equipped with T2 chips

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And usually the standard configuration is 256GB.

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If you want to upgrade to 512GB, you need to have 4 hard drive chips as a group

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The combined capacity of 4 hard drive chips is equal to 512GB

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Just replace it in order

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For example, this A1989 has a total of 4 hard drives,

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two on the front and two on the back of the mainboard

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We need to find a set of hard drives with a larger capacity than the original hard drives

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The capacity of the four hard drives adds up to 512GB, so we will replace these four hard drives

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After the replacement, restore the T2 firmware, is is also called flashing T2

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There is no need to distinguish the manufacturers of hard drives,

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and hard drives from different manufacturers can also be substituted

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There is no need to change the configuration resistors,

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just find 4 hard drives with larger capacity than the original machine and replace them

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It should be noted that the hard drive above 1TB cannot be replaced directly

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Because they are all customized versions from 1TB to 4TB, their T2 chips are different

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Moreover, this customized version of the T2 chip is hard to find

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unless it is directly removed from the customized version

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If you want to drop from 512GB to 256GB

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also directly find 4 hard drives with a capacity of 256GB as a group,

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and replace them according to the order of the hard drive positions, and then flash T2

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For example, we have to remove the U8600 on one mainboard

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and install it in the same position as the U8600 on another mainboard

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Like this A2159, the version of low configuration is only 128GB, two hard drives,

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one on the front and one on the back,

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and there are two pads on this side that are idle

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If you want to expand to 256GB, you cannot directly install a hard drive on the idle pad

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Because there are many chips next to it that are not installed,

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such as the power supply chip of this hard drive, and these resistors

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If you want to install 4 hard drives,

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you must find a group of 4 hard drives to replace

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It can be disassembled on A1989 or other different models,

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because A1989 is a group of four hard drives

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If these four are disassembled,

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the hard drive power supply chip on the idle pad and the surrounding capacitors and resistors must be soldered

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How should we make it?

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Search for SSD:4L in the circuit diagram,

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as long as there are components with SSD:4L, all components must be added

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This operation is too troublesome, this method is not recommended

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How should we operate? Like this A2159, its capacity is 128GB,

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to expand to 256 or 512, we usually remove the hard drive from A1932 or A2179

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These models also have two hard drives, and the capacity is above 256GB

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After dismantling, there is no need to fill the pad, just solder it on the original position

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After the replacement, we need to flash the T2 firmware

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If the original machine has 4 hard drives, we want to change it to 2 hard drives

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Search for SSD:2L in the circuit diagram

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Add all the components with SSD:2L,

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remove all the components with SSD:4L

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Ok, this is how to expand and reduce the capacity of Apple laptop hard drives