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1 Overview

The SGI Tezro is the current high-end workstation available from SGI, and is the immediate sucessor to the SGI Octane. The system is available in both rack-mount and tower versions, and was released in June 2003 with a list price of $20,500. The Tezro was released alongside the SGI Onyx4 - the Onyx4 and rack-mountable Tezro share many components, including skins.

Both tower and rack-mountable systems marked the return of the original 'cube' logo to SGI machines, which was welcomed by the loyal user base.

2 Architecture

Similar to other SGI systems, the Tezro uses a non-blocking crossbar interconnect to connect all subsystems together.

3 Processors

Either 1, 2 or 4 800MHz 64-bit R16000 CPUs are available in both rack-mount and tower systems. Single and dual 700MHz R16000 CPUs versions are also available.

Both the 800 and 700MHz CPU's have 4MB of L2 cache.

4 Memory

The Tezro ships with 512MB of DDR SDRAMM as standard, with tower versions able to utilise 8GB, and rack-mountable versions 16GB

5 Graphics

The high-end Odyssey card, V12, is the only graphics card available.

6 Audio

Tower systems ship with analogue audio out as standard, while PCI cards provide audio capabilities on rack-mountable versions, and additional 2-channel 24-bit AES and 8-channel ADAT connectors.

7 Expansion

The number of available 64-bit PCI slots depend upon the number of installed CPU's in the system:

7 133/100MHz slots with 2 and 4 CPU tower systems
3 133/100MHz slots with 1 CPU tower systems
6 100MHz slots and one 66MHz slot in 4U rackmountable systems
2 100MHz slots and one 66MHz slot in 2U rackmountable systems.

All PCI slots in each Tezro model are 3.3V card slots.

A single U160 SCSI connector is available for attaching external peripherals, as is an optional FireWire card.

8 Operating System

The only operating system capable of running on the Tezro is SGI's IRIX.

9 External links

Tezro home page Press release announcing the Tezro

Tezro

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