Macintosh IIsi Specs @ EveryMac.com

Apple Macintosh IIsi Specs

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The Apple Macintosh IIsi features a 20 MHz 68030 processor, 2 MB or 5 MB of RAM, and a 40 MB, 80 MB, or 160 MB hard drive in a compact, easy-to-expand desktop case.

Basically, the Macintosh IIsi is a scaled-down version of the Macintosh IIci, in a smaller, sleeker case with fewer expansion options. However, the Macintosh IIsi was also the first Mac to support built-in audio recording capabilities, an option that the IIci lacks.

To purchase or upgrade a vintage Mac -- as well as newer Macs -- see site sponsor OHS.

Click on the underlined category text for related details. The most commonly needed info is "open" by default, but all info is important.

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Introduction Date:

October 15, 1990

Discontinued Date:

March 15, 1993

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 1990.

Processor Speed:

20 MHz

Processor Type:

68030

Details:

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

Processor Upgrade:

Third-Party*

FPU:

68882 (Optional)**

Details:

*A variety of third-party processor upgrades and accelerators were available.

**The optional 68882 FPU co-processor can be installed via the Apple NuBus adapter.

System Bus Speed:

20 MHz

Cache Bus Speed:

N/A

Details:

N/A

ROM/Firmware Type:

Macintosh ROM

ROM/Firmware Size:

512k

Details:

N/A

L1 Cache:

0.5k

L2 Cache:

N/A

Details:

The Macintosh IIsi does not have a level 2 cache.

RAM Type:

30-pin SIMM

Min. RAM Speed:

100 ns

Details:

N/A

Standard RAM:

2, 3, 5 MB*

Maximum RAM:

65 MB

Details:

*Configurations included 2 MB, 3 MB, and 5 MB of RAM standard.

Motherboard RAM:

1 MB

RAM Slots:

Details:

*1 MB of RAM onboard. Four identical RAM SIMMs must be installed in a group.

Video Card:

Integrated*

VRAM Type:

Integrated*

Details:

*The Macintosh IIsi shares system memory for video function.

Standard VRAM:

64k-320k*

Maximum VRAM:

64k-320k*

Details:

*64k-320k of the system RAM is dedicated to video function depending on resolution used.

Display Support:

Single Display*

Resolution Support:

640x480*

Details:

*Onboard video is capable of supporting a maximum resolution of 640x480. If the optional NuBus adapter card is installed, a second video card can be installed to support a second display. The NuBus adapter also provides a 68882 FPU.

Standard Hard Drive:

40, 80, 160 MB*

Int. HD Interface:

SCSI

Details:

*Offered with either a 40 MB, 80 MB, or 160 MB hard drive.

Standard Optical:

None

Standard Disk:

1.44 MB (Auto)

Details:

N/A

Standard Modem:

None

Standard Ethernet:

None

Details:

N/A

Expansion Slots:

PDS or NuBus*

Expansion Bays:

None

Details:

*The optional Apple NuBus adapter card plugs into the PDS expansion slot and also provides an FPU.

Case Type:

Desktop

Form Factor:

Macintosh IIsi

Details:

N/A

Apple Order No:

M0363LL/A*

Apple Subfamily:

Macintosh IIsi

Details:

*M0363LL/A refers to the configuration with 2 MB of RAM and a 40 MB hard drive. M0364LL/A and M0364LL/B refer to the configuration with 5 MB of RAM and an 80 MB hard drive. Other configurations include M0491LL/B, which includes 3 MB of RAM and a 40 MB hard drive and M0954LL/A, which includes 5 MB of RAM and a 160 MB hard drive.

Apple Model No:

M0360

Gestalt ID:

Details:

Please note that these identifiers commonly refer to multiple models.

Battery Type:

3.6V Lithium

Battery Life:

N/A

Details:

N/A

Original Mac OS:

6.0.7

Supported Mac OS:

6.0.7-7.5.1, 7.5.3-7.6.1

Details:

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

For systems capable of running older versions of the Mac OS -- as well as modern ones -- please see site sponsor OHS. OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.

Dimensions:

4.0 x 12.4 x 14.9

Avg. Weight:

10.0 lbs (4.5 kg)

Details:

In inches - height by width by depth, (10.16 cm, 31.5 cm, 37.8 cm).

Original Price:

US$3770, US$4570

Est. Current Retail:

N/A*

Details:

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

Photo Credit: MacUser Magazine (Radius Advertisement).

Click on the underlined category text 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):

1 (DB-15)

Floppy (Ext.):

1 (DB-19)

Details:

One onboard DB-15 video port.

ADB:

SCSI:

1 (DB-25)

Details:

N/A

Serial (Standard):

Serial (Geoport):

None

Details:

Serial ports are marked by printer and modem icons.

Modem:

None

Ethernet:

None

Details:

N/A

S-Video Input:

None

S-Video Output:

None

Details:

N/A

Microphone:

None

Sound In:

1 (Mono)

Details:

N/A

Sound Out:

1 (Stereo)

Headphone:

None

Details:

N/A

Security (Lock):

Joystick (PC):

None

Details:

N/A

FM Tuner:

None

TV Tuner:

None

Details:

N/A

Power:

Power Adapter:

N/A

Details:

100V-240V AC, 50-60 Hz Frequency, 160 Max Watts.

Icon Credit: Apple Computer, Inc.

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