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SGI Onyx
The SGI Onyx, code named ''Eveready'' (deskside models) and ''Terminator'' (rackmount models), is a series of visualization systems designed and manufactured by SGI, introduced in 1993 and offered in two models, deskside and rackmount. The Onyx's basic system architecture is based on the SGI Challenge servers, but with the notable inclusion of graphics hardware. The Onyx was employed in early 1995 for development kits used to produce software for the Nintendo 64 and, because the technology was so new, the Onyx was noted as the major factor for the impressive price-tag of $250,000 for such kits.〔''Gaming Gossip''. Electronic Gaming Monthly. Issue 69. Pg.52. April 1995.〕 The Onyx was succeeded by the Onyx2 in 1996 and was discontinued on 31 March 1999. ==Microprocessor==
The deskside variant can take one CPU board, and the rackmount variant can take up to six CPU boards. Both models originally used the IP19 CPU board with one, two or four MIPS R4400 microprocessors, initially with 100 and 150 MHz options, later increased to 200 and 250 MHz. Later, the IP21 CPU board was introduced, with one or two R8000 microprocessors at 75 or 90 MHz; machines with this board were referred to as POWER Onyx. Finally, SGI introduced the IP25 board with one, two or four R10000 microprocessors at 195 MHz.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「SGI Onyx」の詳細全文を読む
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