Apple SDRAM DIMM User Manual

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iMac (Slot Loading)

Memory (SDRAM DIMM)

Installation Instructions

Be sure to follow the instructions in this sheet carefully. Failure to follow
these instructions could result in damage to your equipment and may void
your warranty.

Installing memory in your computer requires four basic steps:

• Turn off the computer.

• Open the SDRAM DIMM access door.

• Install the new memory module in its slot.

• Close the access door.

Note:

A video version of the installation instructions is available at

http://www.info.apple.com/installparts

Tools Required

• Flat-blade screwdriver or coin.

Electrostatic Discharge (ESD)

Static electricity , a normal and natural phenomenon, builds up on y our body
as you walk around. You experience an electrostatic discharge (ESD) when
you touch an object and feel a spark. ESD can cause damage to the
internal components of your computer.

To avoid ESD damage, read and follow all instructions. If a grounding wrist
strap is included with your memory, refer to the instructions included for
how to ground and use the strap.

About Memory

The iMac (Slot Loading) computer uses standard PC-100 DIMMs with the
following specifications:

• PC-100 Synchronous DRAM (SDRAM)

• 64-bit wide,168-pin module

• maximum of 16 memory devices on the DIMM

• unbuffered; do not use registered or buffered Synchronous DRAM
(SDRAM)

• maximum height of 50 mm

There are two DIMM slots accessible from the bottom of the computer. Use
a coin, like a quarter, to release the access panel and install the DIMM or
DIMMs.

Installing the Memory

1 Turn your computer off by choosing Shut Down from the Special menu.
2 Unplug all cables, except the power cord, from your computer.

±

WARNING:

disconnect the telephone line from the internal modem port before you
open the access door. This prevents electric shock.

If your internal modem is connected to a telephone line,

3 Turn the computer so the screen is facing down.

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- iMac (Slot Loading)

4 Use a coin or screwdriver to turn the latch on the access door.

5 Open the access door.

iMac (Slot Loading) -

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