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Apple Macintosh IIx Specs

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Apple Macintosh IIx The Apple Macintosh IIx features a 16 MHz 68030 processor, a 68882 FPU, 1 MB or 4 MB of RAM, a 40 MB or an 80 MB hard drive, and the option of an Apple Macintosh II video card in an easy-to-expand desktop case.

The Macintosh IIx uses the same "Open Mac" case as the Macintosh II, but shipped standard with a faster processor and a faster FPU -- it was the first Mac to ship with the 68030 processor and the 68882 FPU -- as well as dual 1.44 MB disk drives. It also requires significantly less "tinkering" to upgrade the RAM and other internal components.

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.


September 19, 1988 October 15, 1990
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 1988.
16 MHz 68030
Details: This model has a 32-bit processor and a 32-bit data path.
N/A 68882
Details: N/A
16 MHz N/A
Details: N/A
Macintosh ROM 256k*
Details: *The Macintosh IIx ROM is "32-bit dirty."
0.5k N/A
Details: N/A
30-pin SIMM* 120 ns
Details: *PAL SIMMs required for 4 MB and larger capacities.
1 MB, 4 MB 128 MB*
Details: *With 32-bit addressing and the MODE32 system extension this model is capable of supporting 128 MB of RAM (16 MB SIMMs in all eight slots).
None 8*
Details: *RAM SIMMs must be installed in groups of four.
Video Card* Video Card*
Details: *The standard video card options for the Macintosh IIx had either 256k or 512k of VRAM and supported multiple resolutions.
256k, 512k* 256k, 512k*
Details: *The standard video card options for the Macintosh IIx had 256k or 512k of VRAM, but numerous third-party video cards also were available.
Up to 6 Displays* 512x384, 640x480*
Details: *The Macintosh IIx can support multiple displays -- originally at great cost -- using multiple video cards in NuBus expansion slots. The Macintosh IIx also can support multiple resolutions, 512x384 and 640x480 are common. Portrait (vertical orientation) displays also were popular.
40 MB, 80 MB* SCSI
Details: *The Macintosh IIx was offered with a 40 MB or an 80 MB internal SCSI hard drive.
None 1.44 MB x2 (Auto)*
Details: *Second floppy drive optional.
None None
Details: N/A
6 NuBus None*
Details: *There are no free expansion bays with dual disk drives and one hard drive installed. Third-party products were available to install additional and other storage options.
Desktop Macintosh II
Details: N/A
M5280* Macintosh IIx
Details: *M5280 refers to a configuration with 1 MB of RAM and a single 1.44 MB floppy drive. M5830 refers to a configuration with 4 MB of RAM, a 1.44 MB floppy drive, and an 80 MB hard drive with the Mac System installed and M5850 refers to the same configuration but with the A/UX operating system installed.
M5840 7
Details: N/A
3.6V Lithium (x2) N/A
Details: N/A
6.0.1 6.0.1-7.5.1, 7.5.3-7.5.5
Details: Earlier and later versions of the Macintosh System/Finder and Mac OS are not supported.

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.
5.5 x 18.7 x 14.4 24.0 lbs (10.9 kg)
Details: In inches - height by width by depth, (14 cm, 47.5 cm, 36.6 cm).
US$7800, US$9300 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.


1* None
Details: *Video port provided by required video card. No onboard video port.
2 1 (DB-25)
Details: N/A
2 None
Details: Serial ports are marked by printer and modem icons.
None None
Details: N/A
None None
Details: N/A
None None
Details: N/A
1 (8-Bit Mono) None
Details: N/A
1 None
Details: N/A
None None
Details: N/A
1 N/A
Details: 90V-270V AC, 48-62 Hz Frequency, 230 Max Watts.

Icon Credit: Apple Computer, Inc.



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