Apple iMac “PowerPC G3” 400 MHz 1999 Slot-Loading Specs

iMac – M7493LL/A – PowerMac2,1 – M5521

Apple iMac PowerPC G3 400

About this iMac

The Apple iMac G3 Blueberry Slot Loading computer came with features that were unique especially as regards its convection cooling system which allowed it to be a quiet machine. There was no internal metal casing and as such, it had a translucent appearance. It also came with a sound system designed by Harmon-Kardon which really stood as a stand-out feature of the device.

Processor

400 MHz PowerPC G3

Ram

64 MB

Apple iMac PowerPC G3 400
Storage

10 GB Hard Drive

Battery Life

Plugged-in

Storage

The device was built with 10.0 GB Ultra ATA hard drive storage.

Screen Size and Resolution

The iMac G3 Blueberry Slot Loading had a 15 inch “crystal clear” CRT display with a 13.8 inch viewable area.

Processor & Graphics Processing Unit (GPU)

The iMac G3 Blueberry Slot Loading had Mac OS 8.6 pre-installed on it. The processor that powered the computer was the 400 MHz PowerPC 750 (G3) processor. It’s graphics processor was the ATI Rage 128 VR 2D/3D (AGP 2X) graphics that used up to 8 MB of VRAM.

Memory & Architecture

The device was built with a 512k backside level 2 cache and with a RAM of 64 MB.

Upgradability

Although the iMac G3 Blueberry Slot Loading came with 64 MB of RAM which could be upgraded up to 1 GB of RAM.

The Operating System of the iMac G3 Blueberry Slot Loading can also be upgraded from its pre-installed MacOS 8.6 up to MacOS X 10.3.9.

The iMac G3 Blueberry Slot Loading computer’s dimensions were 38.1 cm x 38.1 cm x 43.4 cm and it featured a weight of 34.7 lbs (15.7 kg).

Inclusive Features

The iMac includes the following features and ports:

  • A Power Adapter (100V to 260V AC, 150W maximum)
  • Support for an optional AirPort (802.11b) wireless card.
  • Slot-Loading CD-ROM drive
 

Introduced: October 5, 1999

Discontinued: July 19, 2000

Screen Size and Resolution

Memory

Screen Size

15 inches (13.8 viewable area)

Level 1 Cache

64k

Resolution

640×480 @ 117Hz

800×600 @ 95Hz

1024×768 @ 75Hz

Level 2/Level 3 Cache

512k (backside)

Processor

RAM Type

PC100 SDRAM

Processors

1

Min. RAM Speed

10 ns

Architecture

32-Bit

Standard RAM

64 MB

Speed

400 MHz

Maximum RAM

1 GB

Type

PowerPC 750 (G3)

RAM Slots

2

Processor Upgrade

Soldered

Motherboard RAM

None

FPU

Integrated

Graphics

System Bus Speed

100 MHz

Video Card

Rage 128 VR 2D/3D

Cache Bus Speed

200 MHz

VRAM Type

SDRAM

ROM/Firmware

Open Firmware

Standard VRAM

8 MB

EFI Architecture

N/A

Maximum VRAM

8 MB

Storage

Inclusive Features and Ports

Standard Storage

10.0 GB HDD

Standard Optical Drive

4X DVD-ROM

Storage Speed

N/A

Standard Ethernet

10/100Base-T

Storage Dimensions

3.5” (25.4 mm)

Standard Modem

56.6k

Storage Interface

Ultra ATA

Standard Air Port

None

Battery

Standard Bluetooth

None

Type

3.6V Lithium

USB Port 1.1

2

Battery Life

N/A

FireWire Ports

2 (400)

Description

Keyboard

Apple USB Keyboard

Case Type

All-in-One

Inclusive Input

Apple USB Mouse

Form Factor

iMac (Slot Loading)

S-Video Output

None

Apple Order No

M7493LL/A/p>

Microphone

1 (Built-in)

Apple Subfamily

Slot Loading DV

Headphone

2

Apple Model Number

M5521 (EMC 1821)

Sound Out

1

Model ID

PowerMac 2.1

Power Adapter

1