How to repair classic Macintosh Quadra and Centris, specific info about your Apple Macintosh Quadra and Centris. Download free Apple Service Source computer repair manuals for classic Mac Quadra and Centris. Tools and methods to fix or repair classic Macintosh Quadra and Centris.
Apple Macintosh IIci Specs
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The Apple Macintosh IIci features a 25 MHz 68030 processor, a 68882 FPU, 1 MB or 4 MB of RAM and commonly a 40 MB or 80 MB hard drive in a compact, delightfully easy-to-expand desktop case.
The Macintosh IIci is the first Macintosh with a '32-bit clean' ROM, as well as the first Macintosh in the Macintosh II series to feature a level 2 cache, a PDS slot, and built-in monitor support.
To buy or upgrade a vintage Mac -- as well as newer Macs -- see site sponsor Operator Headgap Systems. OHS has low prices, a warranty and personal support.

Mac Iici Manual Downloads
- Tech Specs
- Ports
Click on the category for related details. The most commonly needed info is 'open' by default, but all info is important.
| Introduction Date: | September 20, 1989 | Discontinued Date: | February 10, 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 1989. |
| Details: | This model has a 32-bit processor and a 32-bit data path. |
| Details: | *A variety of third-party processor upgrades and accelerators were available as was a logicboard upgrade to a Quadra 700. |
| Details: | N/A |
| Details: | *The Macintosh IIci ROM is 32-bit clean, containing no 24-bit code. |
| Details: | *The 32k level 2 cache was provided as a cache card on early models and soldered in place on later ones. |
| Details: | N/A |
Mac Iici Manual 2016
| Details: | As the Macintosh IIci is '32-bit clean,' no additional system extensions are required to use 128 MB of RAM. Also see: Actual Max RAM of All G3 & Later Macs. |
| Details: | *RAM SIMMs must be installed in groups of four. |
| Details: | *The Macintosh IIci shares system memory for video function. |
| Details: | *64k-320k of the system RAM is dedicated to video function depending on resolution used. |
| Display Support: | Single Display* | Resolution Support: | 512x384, 640x480* |
| Details: | *The onboard video is capable of supporting a single display -- 512x384 and 640x480 at 8-bit in either landscape or portrait orientation. However, the Macintosh IIci can support as many as four displays with three added NuBus video cards. |
| 2nd Display Support: | Single Display* | 2nd Max. Resolution: | Variable* |
| Details: | *The onboard video supports a single display, but this model can support multiple displays with a video card, or video cards, installed to complement the onboard video. |
| Standard Hard Drive: | 40 MB, 80 MB* | Int. HD Interface: | SCSI |
| Details: | *The Macintosh IIci commonly was offered with a 40 MB or an 80 MB internal SCSI hard drive. It also was offered with just a 1.44 MB floppy disk drive (M5710LL/A and M5715LL/A configurations). |
| Details: | N/A |
| Details: | N/A |
| Expansion Slots: | 3 NuBus, Cache PDS | Expansion Bays: | None |
| Case Type: | Desktop | Form Factor: | Macintosh IIcx |
| Apple Order No: | M5710LL/A* | Apple Subfamily: | Macintosh IIci |
| Details: | *M5710LL/A refers to a configuration with 1 MB of RAM and no hard drive, as does order number M5715LL/A. M5737LL/A refers to a configuration with 4 MB of RAM and no hard drive. M5740LL/A, M5745LL/A, and M5750LL/A are additional order numbers assigned to the Macintosh IIci, all configured with 4 MB of RAM and 80 MB hard drives, but M5745LL/A had pre-installed RAM with parity support and M5750LL/A was pre-installed with A/UX rather than a version of the Mac OS (System). |
| Details: | Please note that these identifiers refer to more than one model. Also see: All Macs with the M5780 Model Number and 11 Gestalt ID. For more about identifiers and how to locate them on modern Macs, please refer to EveryMac.com's Mac Identification section. |
| Details: | N/A |
| Original Mac OS: | 6.0.4 | Supported Mac OS: | 6.0.4-7.5.1, 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: | 5.5 x 11.9 x 14.4 | Avg. Weight: | 13.6 lbs (6.2 kg) |
| Details: | In inches - height by width by depth, (14 cm, 30.2 cm, 36.6 cm). |
| Original Price (US): | US$8798 | 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 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.
| Video (Monitor): | 1 (DB-15) | Floppy (Ext.): | 1 (DB-19) |
| ADB: | 2 | SCSI: | 1 (DB-25) |
| Serial (Standard): | 2 | Serial (Geoport): | None |

| Details: | Serial ports are marked by printer and modem icons. |
| Details: | N/A |
| Details: | N/A |
| Details: | N/A |
Mac Iici Manual Pdf
| Details: | N/A |
| Details: | N/A |
| Details: | 100V-240V AC, 50-60 Hz Frequency, 159 Max Watts. Icon Credit: Apple Computer, Inc. |
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(There's no video for All Macintosh Roms (68K + PPC) yet. Please contribute to MR and add a video now!)
What is All Macintosh Roms (68K + PPC)? This is an archive containing all of the most popular Macintosh models ROM files for emulation purposes, ranging from the first 64K ROM from the Mac 128K to the 4MB ROM files from the Bandai Pippin or PowerMac G3, listed below in ROM size, then by release date from oldest to newest. You can refer to this awesome Macintosh models timeline on Wikipedia for old world vs new world ROMS. The first download contains these Old World Macintosh ROM files: --- 68K --- 1984-01 - 28BA61CE - Macintosh 128.ROM --- 128K --- 1986-01 - 4D1EEEE1 - MacPlus v1.ROM --- 256K --- 1987-03 - 97851DB6 - MacII (800k v1).ROM --- 512K --- 1989-09 - 368CADFE - Mac IIci.ROM --- 1MB --- 1991-10 - 420DBFF3 - Quadra 700&900 & PB140&170.ROM --- 2MB --- 1994-05 - B6909089 - PowerBook 520 520c 540 540c.ROM --- 4MB --- 1994-03 - 9FEB69B3 - Power Mac 6100 & 7100 & 8100.ROM The second download contains these New World Mac ROMS: 1998-07-21 - Mac OS ROM 1.1.rom Old_World_Mac_Roms.zip(47.01 MiB / 49.3 MB) Old World Mac Roms / Zipped 18069 / 2016-08-11 / b860d5beddf0ace50119b0ec030019e4f77d85bf / / New_World_Mac_Roms.zip(36.17 MiB / 37.92 MB) New World Mac Roms / Zipped 9298 / 2016-08-11 / 3328eefba7834b63163ccc9e19a16213a1525a82 / / 4400.zip(1.83 MiB / 1.92 MB) PowerMac 4400 ROM / Zipped 425 / 2018-09-01 / 8d635ec6b1f63130fad88bcb31200e8fcc57218c / / 5500.zip(1.91 MiB / 2 MB) PowerMac 5500 ROM / Zipped 599 / 2018-09-01 / a37a2cac404ab6f08f7a223c97b2b20b8a93af4a / / Architecture
Architecture: 68K and PPC (mixed) Emulating this? It should run fine under: Mini vMac |