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1996-07-10
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Number: A2TH082490U437
Subject: EISA Token-Ring Cards Performance Problem
Date: October 22, 1990
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GENERAL
INFORMATION: A customer had a SystemPro with two EISA (Compaq/Proteon)
Token-Ring adapters running NetWare 286 v2.15c. He was
running an Oracle database application and it was running
very slowly. He sold the customer another Token-Ring
adapter thinking that he would get better response with
fewer users on each ring (he had only 70 users total).
He installed the adapter and the response was even slower.
At first we thought it was Service Processes, but he had
three available. What was actually happening was the EISA
Token-Ring adapters, when running NetWare 286, run in a
translation 16 bit mode. This, combined with the bus
mastering, was slowing things down.
We recommended they put one EISA Token-Ring adapter in the
file server and run it at 16Mb with NetWare 386. That way
the adapter would be running in 32 bit mode instead of 16
bit mode and bus mastering would be using the EISA
specification instead of the slower ISA specification.
(X) This information was verified verbally