Overview

The SGI O2's direct successor was the SGI Fuel, a high-end workstation primarily based around a single R14000 MIPS CPU. SGI introduced the Fuel in January 2002 with a list price of US$11,495. Its larger sibling is the SGI Tezro. The Silicon Graphics (SGI) O2 is a MIPS-based single CPU entry-level Unix workstation. ... A MIPS R4400 microprocessor made by Toshiba MIPS, for Microprocessor without interlocked pipeline stages, is a RISC microprocessor architecture developed by MIPS Computer Systems Inc. ... Silicon Graphics, Inc. ... An SGI Tezro The SGI Tezro is the most recently released (as of January, 2005) high-end workstation available from SGI, and is the immediate sucessor to the SGI Octane. ...

Architecture

The Fuel is based around the same architecture as the high-end servers of its time, the SGI Origin 3000-class servers. It shares many of the same features and uses the same components. That is, the Fuel is essentially a single-node, single CPU SGI Origin 3000, which can make purchasing individual components expensive.

Processors

The SGI Fuel was available with a R14000 and or a R16000 processor running at speeds between 500 and 700 MHz, with a front side bus (FSB) speed of 200 MHz. Front Side Bus (FSB) is the term used to describe the CPU data bus. ...

Memory

The Fuel came standard with 512 megabytes of proprietary DDR SDRAM. It is upgradable to a maximum of four gigabytes via two memory banks (four slots). DDR SDRAM or double-data-rate synchronous dynamic random access memory is a type of memory integrated circuit used in computers. ...

Graphics

The Fuel shipped with the then-latest VPro graphics options, the V10 and V12's.

Audio

The Fuel is capable of outputting 2-channel 16-bit analogue stereo, 2-channel, 24-bit AES audio, and 8-channel 24-bit ADAT digital optical. Speakers may be attached via USB. Type A USB connector USB 2. ...

Additional audio options are available using PCI expansion cards. 32-bit PCI expansion slots on a motherboard The Peripheral Component Interconnect standard (in practice almost always shortened to PCI) specifies a computer bus for attaching peripheral devices to a computer motherboard. ...

Expansion

Four 64-bit 3.3V PCI slots are available for expansion, two of which run at 33 MHz and two of which run at 66 MHz. The system also has two internal U160 SCSI busses, with space for two internal 5.25" devices and three internal hard disks. SCSI stands for Small Computer System Interface, and is a standard interface for transferring data between devices on a computer bus. ...

Although this machine was the first to support USB connections in IRIX, only audio and HID USB devices are supported.

Operating System

The SGI Fuel is only officially capable of running SGI's IRIX operating system. IRIX is the System V-based Unix Operating System with BSD extensions developed by Silicon Graphics (SGI) to run natively on their 32 and 64-bit MIPS architecture workstations and servers. ...

External links

• Fuel homepage
• SGI press release announcing the Fuel