Apple iMac “PowerPC G3” 400 MHz Early 2001 Specs

iMac – M7683LL/A – PowerMac4,1 – M5521

Apple iMac PowerPC G3 400

About this iMac

The iMac line of devices from apple introduced in 2001 which was also the period that the internet was developing and catching up on everybody. Apple used that as a means to propagate their innovative design which unlike most of the other computers then did not have an external Central processing Unit. This was also one of the first devices of its time to incorporate the now common USB port while simultaneously leaving out the popular floppy disk drive a mark that the iMac was certainly futuristic which was also communicated in its ice-bondi blue color.

Processor

400 MHz PowerPC G3

Ram

64MB

Apple iMac PowerPC G3 400
Storage

10 GBHard 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 had a 15 inch “crystal clear” CRT display with a 13.8 inch viewable area.

Processor& Graphics Processing Unit (GPU)

The iMac had MAC OS 9.1 pre-installed on it. The processor that powered the computer was the 400 MHz PowerPC 750 (G3) processor. Some versions had the ATI Rage IIc graphics processor that used 8 MB of VRAM while others had the ATI Rage 128 Pro (AGP 2X) Turbo graphics processor that used 6 MB of VRAM.

Memory & Architecture

The device was built with a 512k backside level 2 cache and with a RAM of64 MB.

Upgradability

Although the iMac came with64 MB of RAM it could be upgraded to up to 1 GB of RAM.
The Operating System of the iMac can also be upgraded from its pre-installed MacOS 9.1 up to MacOS X 10.4.11.
The iMac bondi blue and ice computer’s dimensions were 38.1 cm x 38.1 cm x 43.4 cm. The weight of the device was 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).

Introduced: February 22, 2001

Discontinued:  July 18, 2001

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 Pro

Cache Bus Speed

200 MHz

VRAM Type

SDRAM

ROM/Firmware

Open Firmware

Standard VRAM

8MB

EFI Architecture

N/A

Maximum VRAM

8MB

Storage

Inclusive Features and Ports

Standard Storage

10 GB HDD

Standard Optical Drive

24X CD-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

802.11b (Optional)

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

M7683LL/A

Microphone

1 (Built-in)

Apple Subfamily

iMac – Early 2001

Headphone

2

Apple Model Number

M5521 (EMC 1857)

Sound Out

1

Model ID

PowerMac 4.1

Power Adapter

1

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