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1996-07-10
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Title: Packet Size and the SMC PC 550 Arcnet Card
Bulletin Date:2-20-91 Revision: 1.0
Category:CONFIG Sub-Category: ROUTE
S/W Product:NWMAC H/W Product: SMC PC 550
Version Affected:1.1, 2.0
Operating System: 3.1 Rev:
System and Hardware:
Application: SMC PC 550 Driver Version 2.13
Symptom: When both the print AND file services are installed, the
APS and AQS VAPs report an inability to open/read the
settings files ->128. Error 128 is a "file in use error"
so on the surface it looks as though the print service VAPs
are competing for the use of the settings file. However,
the file services work fine, as do the print services if
each is loaded in the absence of the other.
Problem: The SMC 2.13 TURBO driver allows the user to select the
packet size to be used. There are four options ranging
from a .5KB packet size to a 4KB packet size. When the
.5KB packet size is used, this printing failure occurs.
Solution or
Work-around: When the 4KB packet size was used, both the file AND print
services worked concurrently in the same bridge machine.
The two other packet sizes were not tested. Also this may
be applicable to other Arcnet drivers which provide
configurable packet sizes.