Macintosh Quadra 900: Technical Specifications

Macintosh Quadra 900

Logic Board

Ports

Power

Processor:

68040, 25

PMMU:

integrated

FPU:

integrated

Data Path:

32, 25

L1 Cache:

8K

L2 Cache:

none

2nd Processor:

none

Slots:

5 NuBus, 1 PDS

USB:

ADB:

1

Video:

DB-15

Floppy:

none

SCSI:

DB-25

Geoports:

Ethernet:

AAUI-15

FireWire:

Mic Type:

Omni

AirPort Ready:

Other Ports:

Printer

Modem

Speaker

,

Max Watts:

303

Amps:

10

BTU per Hr:

1036.26

Voltage:

100-240

Freq Range:

50-60 Hz

Battery Type:

3.6V lithium

Soft Power:

yes

Pass Through:

yes

Memory

Video Memory

Logic Board:

none

RAM Slots:

16, 30-pin SIMM

Min - Max RAM:

4 MB - 256 MB

Min RAM Speed:

80

RAM Sizes:

1, 4, 8, 16 MB

Install in Groups of:

4

Notes:

8MB & 16MB SIMMs may be used, but are not supported by Apple.

Resolution

Video Memory

1MB VRAM

(built in)

Video Memory

2MB VRAM

(4x256K)

512 x 384

24-bit

24-bit

640 x 400

n/a-bit

n/a-bit

640 x 480

8-bit

24-bit

800 x 600

n/a-bit

n/a-bit

832 x 624

8-bit

24-bit

1024 x 768

n/a-bit

n/a-bit

1152 x 870

8-bit

8-bit

1280 x 1024

n/a-bit

n/a-bit

Notes: 512K VRAM SIMMs may be installed, but only 256K of each SIMM will be used.

Physical

Software

Storage

Introduced:

10/21/1991

Discontinued:

5/18/1992

Form Factor:

Quadra 900

Gestalt ID:

20

Weight (lbs):

36.8

Dimensions (in):

18.6 H x 8.9 W x 20.6 D

Addressing Modes:

24-, 32-bit

Orig SSW:

7.0.1

Orig Enabler:

none

ROM ID:

$067C

ROM Ver:

n/a

ROM Size:

1MB

AppleTalk Ver:

56.0.2

Mac OS

Supported:

7.0.1

7.1

7.1.1 (Pro)

7.5

7.5.1

7.5.3

7.5.5

7.6

7.6.1

8.0

8.1

Floppy Size:

1.44MB

Floppy Inject:

auto

Min. Int HD Size:

80-160MB

Int HD Interface:

SCSI

Orig CD Speed

2x

Int CD Support:

yes