The object is a Silicon Graphics "Power Series" CPU in a 15 Slot Twin Tower box. The big short tower houses the system boards and has all the external connectors on its back. It includes one IP9 board with a 25 MHz MIPS R3000 CPU chip and one fully populated MC2 memory board. The small tall tower houses the internal drives. The drive tower is a modular stack of 5 drive bays with a power supply at the bottom.
Date
ca. 1990
Manufacturer
Silicon Graphics Computer Systems (SGI)
Place Manufactured
Mountain View, CA
Identifying Numbers
Model number
CMN A004
Printed on label on lower rear door of tall tower.
Model number
IRIS 4D/210GTX
Printed on top of short tower.
Other number
G45652
On NASA property tag on front of short tower.
Other number
W-4D210GTXB
Printed on label on lower rear door of tall tower.
Serial number
310512
Printed on label on lower rear door of tall tower and on front of power supply