Editing Iyonix PC (section)

== Features ==
Features include:
[[File:Iyonix motherboard.jpg|thumb|left|Motherboard, with [[GeForce 2 MX]] video card at bottom]]
[[File:Iyonix (back).jpg|thumb|right|upright|Rear view, showing connectors]]
* Standard [[ATX]] motherboard and [[Nvidia]] [[video card]]<ref>{{cite web |title=New RISC OS machine coming soon |url=http://www.theinquirer.net/inquirer/news/1022447/new-risc-os-machine-coming-soon |archive-url=https://web.archive.org/web/20091102072803/http://www.theinquirer.net/inquirer/news/1022447/new-risc-os-machine-coming-soon |url-status=dead |archive-date=2 November 2009 |access-date=2011-06-27 |last=Proven |first=Liam |date=2005-11-22 |publisher=[[The Inquirer]] |quote=The Iyonix is a standard ATX motherboard with an nVidia graphics card [...]}}</ref>
* [[Intel XScale]] 80321 600 [[Megahertz|MHz]] [[32-bit]] [[central processing unit|processor]]
* Two [[64-bit]] and two 32-bit [[Peripheral Component Interconnect|PCI]] slots (two occupied by graphics and USB cards, two free)
* [[RISC OS]] version 5 in hardware [[Read-only memory|ROM]] module, using 32-bit addressing mode.
* Support for the [[Linux]] operating system<ref>[http://www.drobe.co.uk/article.php?id=673 Iyonix Linux port established | Drobe.co.uk archives<!-- Bot generated title -->]</ref>
* Support for "legacy" Acorn DEBI expansion cards
* [[Universal Serial Bus|USB]] interfacing<ref name="iconbar usb 2">{{cite news |title=Iyonix USB 2 - review |url=http://www.iconbar.com/forums/viewthread.php?newsid=920 |work=[[The Icon Bar]] |date=3 February 2005 |access-date=2 February 2012 |author=Mellor, Phil}}</ref>

It was the first time substantial changes had been made to the platform since the release of the [[Risc PC]] in 1994. All interim machines had been built on the ARM7500 [[system on a chip]], which was widely regarded as a single-chip Risc PC. (It incorporated the memory controller, video, sound, IO and CPU logic of a Risc PC, leaving only memory and disc interfacing to be added.)

The presence of PCI and USB capabilities, as well as the retained "podule" bus, attracted comparisons to Acorn's aborted [[Phoebe (computer)|Phoebe PC]]; however, such comparisons should be tempered with Phoebe's proposed feature set, which retained VIDC and 26-bit mode, and although Phoebe was intended to be capable of [[Symmetric multiprocessing|SMP]] configurations, its proposed shipping configuration had been for one SA110 CPU.
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