PowerBook 145b Specs: EveryMac.com

Apple PowerBook 145b Specs

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Apple PowerBook 145b The Apple Macintosh PowerBook 145b features a 25 MHz 68030 processor, 4 MB of RAM, either a 40 MB or 80 MB hard drive, and an internal 1.44 MB floppy drive in a compact portable case with a 9.8" monochrome passive-matrix display.

The PowerBook 145b is quite similar to the PowerBook 145 it replaced, but the 145b was "re-designed" to lower production costs and had 4 MB of onboard RAM rather than 2 MB.

Tech Specs
Ports

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Introduction Date:

June 7, 1993

Discontinued Date:

July 18, 1994

Details:

The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 1993.

Processor Speed:

25 MHz

Processor Type:

68030

Details:

This model has a 32-bit processor and a 32-bit data path.

Processor Upgrade:

Soldered

FPU:

None

Details:

N/A

System Bus Speed:

25 MHz

Cache Bus Speed:

N/A

Details:

N/A

ROM Type:

Macintosh ROM

ROM Size:

1 MB

Details:

N/A

L1 Cache:

0.5k

L2 Cache:

N/A

Details:

N/A

RAM Type:

PSRAM Card*

Min. RAM Speed:

100 ns

Details:

*Supports a single 70-pin 100 ns PSRAM card.

Standard RAM:

4 MB

Maximum RAM:

8 MB*

Details:

*With 4 MB of onboard memory and a 4 MB memory module. 6 MB memory modules are not supported.

Also see: Actual Max RAM of All G3 & Later Macs.

Motherboard RAM:

4 MB

RAM Slots:

Details:

*One PowerBook 100 series 70-pin memory slot.

Video Card:

Dedicated*

VRAM Type:

Onboard

Details:

*Video function provided by onboard VRAM.

Standard VRAM:

N/A

Maximum VRAM:

N/A

Details:

The video cannot be upgraded.

Built-in Display:

9.8" Monochrome

Native Resolution:

640x400

Details:

9.8" monochrome passive-matrix (1-bit) Supertwist LCD.

2nd Display Support:

N/A

2nd Max. Resolution:

N/A

Details:

N/A

Standard Hard Drive:

40 MB, 80 MB

Int. HD Interface:

SCSI

Details:

*By default, this model was configured with either a 40 MB or an 80 MB hard drive.

Standard Optical:

None

Standard Disk:

1.44 MB (Manual)

Details:

N/A

Standard Modem:

None*

Standard Ethernet:

None

Details:

*Optional 2400 baud internal modem offered (M0970LL/A).

Expansion Slots:

Modem

Expansion Bays:

None

Details:

N/A

Case Type:

Notebook

Form Factor:

PowerBook 140

Details:

N/A

Apple Order No:

M1592LL/A*

Apple Subfamily:

PowerBook 145b

Details:

*M1592LL/A refers to the configuration with a 40 MB hard drive whereas M4855LL/A refers to the configuration with an 80 MB hard drive.

Apple Model No:

M5409

Gestalt ID:

Details:

Please note that these identifiers refer to more than one model.

Also see: All Macs with the M5409 Model Number and 54 Gestalt ID.

For more about identifiers and how to locate them on modern Macs, please refer to EveryMac.com's Mac Identification section.

Battery Type:

NiCad

Battery Life:

2-3 Hours

Details:

N/A

Original Mac OS:

7.1

Supported Mac OS:

7.1-7.5.1, 7.5.3-7.5.5

Details:

Earlier and later versions of the Macintosh System/Finder and Mac OS are not supported.

Dimensions:

2.25 x 11.25 x 9.3

Avg. Weight:

6.8 lbs (3.1 kg)

Details:

In inches while closed - height by width by depth, (5.7 cm, 28.6 cm, 23.6 cm).

Original Price (US):

US$1150, $2150, $2350

Est. Current Retail:

N/A*

Details:

*As a collector's item, it still may retain value.

Photo Credit: Apple Computer, Inc.

Click on a category for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.

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Video (Monitor):

None

Floppy (Ext.):

None

Details:

N/A

ADB:

SCSI:

1 (HDI-30)

Details:

N/A

Serial (Standard):

Serial (Geoport):

None

Details:

Serial ports are marked by printer and modem icons.

Modem:

None*

Ethernet:

None

Details:

*Optional 2400 baud internal modem offered (M0970LL/A).

S-Video Input:

None

S-Video Output:

None

Details:

N/A

Microphone:

1 (Omni)

Sound In:

None

Details:

N/A

Sound Out:

1 (8-Bit Mono)

Headphone:

None

Details:

N/A

Security (Lock):

Joystick (PC):

None

Details:

N/A

Power:

N/A

Power Adapter:

Details:

110V-220V AC, 50-60 Hz Frequency, 17 Max Watts.

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