Editing Macintosh IIci

{{Multiple issues|{{Primary sources|date=April 2023}}
{{More citations needed|date=April 2023}}}}
{{Short description|Personal computer by Apple, Inc.}}
{{Use mdy dates|date=October 2013}}
{{Infobox information appliance
| name = Macintosh IIci
| aka = "Aurora II", "Pacific"<ref name=macworldsecrets />
| family = [[Macintosh II family|Macintosh II]]
| developer = [[Apple Inc.|Apple Computer, Inc.]]
| image = Macintosh IIci.png
| caption = A Macintosh IIci
| release date = {{start date|1989|09|20}}
| lifespan = {{age in years and months|1989|09|20|1993|02|10}}
| MSRP = {{USD|6269|1989|round=-2}}
| CPU = [[Motorola 68030]]
| CPUspeed = 25 MHz
| OS = [[System 6|System 6.0.4]] - [[System 7|Mac OS 7.6.1]]
| RAM = 1 [[Megabyte|MB]] or 4 MB, expandable to 128&nbsp;MB
| RAMtype = 80 ns 30-pin [[SIMM]]
| weight = {{cvt|13.6|lb}}
| dimensions = Height: {{cvt|5.5|in}}<br>Width: {{cvt|11.9|in}}<br>Depth: {{cvt|14.4|in}}
| discontinued = {{end date|1993|02|10}}
| predecessor= [[Macintosh IIcx]]
| successor= [[Macintosh Quadra 700]]<br>[[Macintosh Centris 650]]<br>[[Macintosh Quadra 800]]
| related= [[Macintosh SE/30]]<br>[[Macintosh Classic]]<br>[[Macintosh Portable]]
}}

The '''Macintosh IIci''' is a [[personal computer]] designed, manufactured, and sold by [[Apple Inc.|Apple Computer, Inc.]] from September 1989 to February 1993. It is a more powerful version of the [[Macintosh IIcx]], released earlier that year, and shares the same compact case design.  With three [[NuBus]] [[expansion slot]]s and a [[Processor Direct Slot]], the IIci also improved upon the IIcx's 16 [[Megahertz|MHz]] [[Motorola 68030]] [[Central processing unit|CPU]] and [[Motorola 68882|68882]] [[floating-point unit|FPU]], replacing them with 25&nbsp;MHz versions of these chips.<ref name=":0">{{Cite magazine |last=Anderson |first=John J. |date=November 1, 1989 |title=Macintosh IIci: New Speed Champ |magazine=MacUser |pages=46-47 |quote=}}</ref>

The [[Macintosh Quadra 700]] was introduced at the end of 1991 as Apple's mainstream workstation product to replace the IIci, albeit at a significantly higher price point: by this time, Apple authorized resellers were offering entry-level IIci systems for US$4,000 or less, whereas the Quadra 700 entered the market above US$6,000.  Because of this, Apple continued to sell the IIci until early 1993 when it was succeeded by the [[Macintosh Quadra 650|Centris 650]] while the Quadra 700 was replaced by the [[Macintosh Quadra 800|Quadra 800]].

== Hardware ==
[[File:Macintosh IIci Rear Panel.png|thumb|Rear view of a Macintosh IIci]]

The IIci introduced several technical and architectural enhancements, some of which were important in preparing for [[System 7]] (which was then called the Blue project) and would influence future Macintoshes, though some of them came at the cost of compatibility:
* a new, [[32-bit clean]] [[Read-only memory|ROM]] with built-in 32-bit QuickDraw that consists of two parts: one part that is the same across all Macintoshes, and another area (called the overpatch area) that is specific to each Macintosh.
* discontiguous physical memory that is mapped into a contiguous memory area by the MMU. Some of the [[System 7]] virtual memory functions had to be added to the ROM to support getting the physical address of the memory.
* an optional 32 KB Level 2 [[CPU cache|cache]]. The cache card, which fit into the [[Processor Direct Slot]] (initially called a "cache connector" by Apple), was later included in all systems at no charge. Third-party cards offered up to 128 KB, but the added cache size yielded little benefit over the base card.<ref>LowEndMac, The Cache: http://lowendmac.com/tech/cache.shtml {{Webarchive|url=https://web.archive.org/web/20220926133932/https://lowendmac.com/tech/cache.shtml |date=September 26, 2022 }}</ref>
* a first for a modular Macintosh &mdash; onboard graphics for an external display. This freed one of the system's three [[NuBus]] slots. However, because the [[Graphics processing unit#Integrated graphics processing unit|integrated graphics]] used the system's RAM for its [[framebuffer]], some users used a NuBus graphics card to reclaim the lost memory. Also, it was popular to install faster memory in the first bank of SIMM slots, as this is the bank used by the video subsystem. The onboard graphics supported up to 8-bit color at resolutions of either 640x480 or 512x384. 

The IIci was one of the most popular and longest-lived Macintosh models of the 20th century. For much of its lifespan, it was the business "workhorse" of the Macintosh line.<ref>{{cite web|url=http://www.shobaffum.com/iici/faq.html#1|title=The Macintosh IIci Site|access-date=March 28, 2013|archive-date=May 28, 2014|archive-url=https://web.archive.org/web/20140528113744/http://www.shobaffum.com/iici/faq.html#1|url-status=live}}</ref> For a short time in 1989, before the introduction of the 40&nbsp;MHz [[Macintosh IIfx]], the IIci was the fastest Mac available.<ref name=":0" />

The IIci came with either a 40- or an 80-megabyte hard disk.

===Upgradability===
Possible upgrades include the 40 or 50 MHz [[DayStar Digital#PowerCache|DayStar PowerCache 68030]], a 33 or 40 MHz [[DayStar Digital#Turbo 040|DayStar Turbo 040]], and the [[DayStar Digital#Power 601|DayStar Turbo 601]] [[PowerPC]] Upgrade running at either 66 MHz or 100 MHz. [[DayStar Digital]], which was bought by XLR8, still holds the Daystar product logo and name for its line of products. 68030 and 68040 upgrades were also made by Sonnet, Diimo and other companies. The MicroMac [https://www.micromac.com/products/diimo_030.html DiiMO 030 accelerator] was a 50MHz 68030 CPU with optional 68882 FPU, in a form factor which plugged directly into the IIci processor direct slot.

When the [[Macintosh Quadra 700|Quadra 700]] was released in 1991, a logic board upgrade was made available for the IIci to upgrade it to the performance level of the Quadra.

===Easter eggs===
An [[Easter egg (media)|easter egg]] exists in the IIci ROM.  If the system date is set to September 20, 1989 (the machine's release date) and the {{key press|Command|Option|C|I}} keys are held during boot time, an image of the development team will be displayed.<ref name=macworldsecrets>{{cite book
| url = https://archive.org/details/macworldmacsecre00pogu/page/469
| title = MacWorld Mac Secrets, 5th Edition
| chapter = Chapter 12: From 128K to Quadra: Mac to Mac
| pages = [https://archive.org/details/macworldmacsecre00pogu/page/469 469–470]
| publisher = [[IDG Books]]
| date = 1999
| first = David
| last = Pogue
| first2 = Joseph
| last2 = Schorr
| isbn = 0-7645-4040-8
}}</ref>

[[File:Macintosh IIci product design team signatures.jpg|thumb|Mac IIci Product Design Team Signatures (under logic board)]]

The signatures of the product design team can be seen in the molded plastic of the case if one removes the motherboard.

== Timeline ==
{{Timeline of Macintosh II models}}

== References ==
* ''Macintosh Buyer's Guide'', vol. 7 no. 3 (Summer 1990)
<references />

==External links==
* [http://support.apple.com/kb/SP197 Macintosh IIci technical specification] at apple.com
* [https://everymac.com/systems/apple/mac_ii/specs/mac_iici.html] at EveryMac.com

{{Apple hardware before 1998}}

[[Category:Macintosh II|ci]]
[[Category:68k Macintosh computers|IIci]]
[[Category:Macintosh desktops|IIci]]
[[Category:A/UX-capable Macintoshes|IIci]]
[[Category:Computer-related introductions in 1989]]
[[Category:Products and services discontinued in 1993]]