What a twisted web we weave...
Notice they included the SCSI controllers, Intelligent Memory Mover, and
the Remote Maintenance Processor into the total... You can get either
ONE or TWO system processors, though my SWAG is a uni-processor is a system/application processor, while a dual-processor has a system
processor and an application processor...
https://archive.org/details/bitsavers_dataproDatANCommunications1992Vol3752_1337173/mode/1up
page 7
"The Parallan servers are upwardly compatible and include the Parallan
Server 290, Models 10, 20, 50, and 60. The Model 10 has five processors, including one 33MHz 80486 system processor, two RISC SCSI processors,
the bit-sliced Intelligent Memory Mover, and the 80C186-based Remote Maintenance Processor (RMP). A 64-bit InterProcessor Bus, 8M bytes of
Error Checking and Correcting (ECC) main memory, 676M bytes of hard disk storage, one dual-channel SCSI intelligent disk controller, a Micro
Channel bus with eight slots, and Parallan’s Maximum Availability and
Support Subsystem (MASS) are all a part of the Model 10.
The Model 20 has one additional processor beyond the Model 10, a 33MHz
Intel 80486 system processor. It differs from the Model 10 in that it
contains 16M bytes of ECC main memory, 1.3G bytes of hard disk storage,
a dual-channel SCSI controller, and a dual Micro Channel bus. The Model
50 has eight processors—two 33MHz Intel 80486 system processors, four
SCSI processors, the Intelligent Memory Mover, and the 80C186-based RMP.
It has the 64-bit IP-bus, 24M bytes of ECC main memory, 5.4G bytes of
hard disk storage, two dual-channel SCSI controllers, dual Micro Channel
buses with 12 slots, MASS, and one expansion enclosure. The Model 60 is identical to the Model 50 except that it has 32M bytes of main memory,
10.8G bytes of hard disk storage, and three expansion enclosures."
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