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2. Specifications
2. 1. Former AQX CCU Versions
The AQX_CCU is a CPU board specially designed for use in the AQX–Rack.
CCU version CU09 is the follower of CU08 with additional features. It is based on the
same processor R4600 or R4700, the same IO–Subsystem but provides a modified
memory interconnection and an Fast Ethernet–Subsystem. The processor–to–memory
data path runs at 50 MHz and is 64 bit wide. the memory–to–IO data path is 32 bit wide
and runs at 25 MHz.
AQX Software Constrains
CCU Versions Part No. Layout No. EC Level AspectStation SGI Computers
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2. 2. Former AQS CCU Versions
The AQS_CCU is a CPU board specially designed for use in the new AQS–Rack.
CCU version CU10 is based on the CU09 hardware and have the same features but with
the addition it contains a new extended AQS Bus System. Therefor, can be not used in
the old AQX System Rack.
AQS Software Constrains
CCU Versions Part No. Layout No. EC Level AspectStation SGI Computers
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2. 3. Features
Operation frequency 50/25 MHz on board, 100 MHz on chip
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