Specifications

1.2 Hardware Components 
The components available in the current MDR series contain powerful Twin i960 & 
Memory and support either two (2) or five (5) PMC Carriers (MDR-220 or MDR-250).  
The architecture couples each processor and memory array to a PMC I/O Sub-System, 
for maximum data throughput. These are MIDAS boards with the necessary software 
embedded in on-board FLASH memory to support the MDR PMC combinations. 
1.2.1 MDR-220 
Two PMCs positions – one for FPDP (data source) and the other for the Fibre Channel 
connection to the disk array. Typically used for standalone or Shared Memory Network. 
4  MDR User Guide 
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