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Macintosh Classic II Hard Drive Removal

必要な工具と部品

  1. Macintosh Classic II Hard Drive Removal, Macintosh Classic II Back Cover Removal: 手順 1、 3の画像 1 Macintosh Classic II Hard Drive Removal, Macintosh Classic II Back Cover Removal: 手順 1、 3の画像 2 Macintosh Classic II Hard Drive Removal, Macintosh Classic II Back Cover Removal: 手順 1、 3の画像 3

    • Here is one of the vintage computers in my possession. It is a Macintosh Classic II M4150. Apple considers this obsolete and " information about these products is no longer updated as of 9/1/98 "

    • On powering it up, It originally greeted me with a checkerboard pattern that quickly converted into this pattern. The checkerboard pattern is/was commonly caused by bad Ram memory. Considering the age of this computer, leaking capacitors are a strong possibility. Time to check.

    • This computer contains a CRT. That means there are some high voltages involved when working on this. Use proper CRT safety while working on it.

    • The cover is held in place by four (4) T-15 screws. Two (2) on the bottom

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  2. Macintosh Classic II Hard Drive Removal: 手順 2、 3の画像 1 Macintosh Classic II Hard Drive Removal: 手順 2、 3の画像 2 Macintosh Classic II Hard Drive Removal: 手順 2、 3の画像 3

    • and two (2) under the top (handle)

    • The bottom ones are easy to remove

    • The top ones are a bit of a challenge due to the depth of the holes.

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  3. Macintosh Classic II Hard Drive Removal: 手順 3、 3の画像 1 Macintosh Classic II Hard Drive Removal: 手順 3、 3の画像 2 Macintosh Classic II Hard Drive Removal: 手順 3、 3の画像 3

    • There was just not enough room to get a good grip on the driver.

    • Luckily this iFixit driver has a hole on the top part. I used a tool to gain some mechanical advantage. While applying downward pressure on the driver, turn the tool to the left to loosen the screw

    • Once loosened, the iFixit extension that came with my set, works perfectly to remove the screw,

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  5. Macintosh Classic II Hard Drive Removal: 手順 4、 3の画像 1 Macintosh Classic II Hard Drive Removal: 手順 4、 3の画像 2 Macintosh Classic II Hard Drive Removal: 手順 4、 3の画像 3

    • Here are the four (4) screws. The two bottom screws are M4X15mm The top screws are those typical found in plastic to sheet metal joints.

    • With the screws removed the cover will slide off.

    • BEst practice is to lay it down and pull the case straight up. It may take some force due to the tight fit and years of storage etc.

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  6. Macintosh Classic II Hard Drive Removal: 手順 5、 3の画像 1 Macintosh Classic II Hard Drive Removal: 手順 5、 3の画像 2 Macintosh Classic II Hard Drive Removal: 手順 5、 3の画像 3

    • Here is what the inside looks like.

    • Remember the High Voltage. Do not touch anything with bare hands etc. Right now it's look but don't touch

    • Power supply (Sweep Board)

    • Flyback Transformer

    • Video card

    • CRT

    • SCSI Hard drive

    • Hard drive on top with the Floppy drive on the bottom

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  7. Macintosh Classic II Hard Drive Removal, Hard Drive: 手順 6、 3の画像 1 Macintosh Classic II Hard Drive Removal, Hard Drive: 手順 6、 3の画像 2 Macintosh Classic II Hard Drive Removal, Hard Drive: 手順 6、 3の画像 3

    • Here is the Hard Drive. It is actually mounted upside down. You are looking at the drive controller board

    • Remove the power cable

    • Next remove the data cable. The red stripe always connects to pin 1 of the connector

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  8. Macintosh Classic II Hard Drive Removal: 手順 7、 3の画像 1 Macintosh Classic II Hard Drive Removal: 手順 7、 3の画像 2 Macintosh Classic II Hard Drive Removal: 手順 7、 3の画像 3

    • To remove the cable, simply pull it toward the back. No locking tabs etc. on these.

    • There are two (2) Philips head screws that hold the HDD caddy. Remove those

    • The screws are M3 by 8mm machine screws

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  9. Macintosh Classic II Hard Drive Removal: 手順 8、 2の画像 1 Macintosh Classic II Hard Drive Removal: 手順 8、 2の画像 2

    • With the two (2) screws removed, simply remove the Hard Drive with caddy out of the chassis.

    • The drive is a Quantum ProDrive LPS 42S 40GB SCSI Hard Drive - Apple 940-40-9404

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終わりに

To reassemble your device, follow these instructions in reverse order.

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oldturkey03

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