Specifications

Crimson
Field Service Handbook for SGI
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Graphics Subsystems
Crimson systems can be configured with seven different graphics subsystems:
Entry
0 xs
e XS24
0 Elan
Extreme(EX)
VGXT
Reality Engine (RE)
Note: The Entry, XS, XS24, and Elan graphics subsystems consist of the same field
replaceable
units (FRUs) as the graphics supported by Indigo systems. The Extreme
graphics subsystem consists of the same FRUs supported by Indigc? EX systems.
In both cases, adapters are required to configure these graphics subsystems in a
Crimson chassis.
t
Single-Board Graphics Subsystems
The Entry, XS, XS24, Elan, and EX graphics subsystems can be considered
“single-board”
graphics subsystems because they consume one slot in the Crimson
chassis. However. these graphics subsystems consist of a motherboard, daughter
cards, and adapter@).
Multiple-Board Graphics Subsystems
The
VGXT and RE graphics subsystems consist of three to five graphics boards.
Boards in these subsystems have a 9U VME format, and each board consumes a
different slot
in the Crimson chassis.
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