The information in this article applies to:
- Microsoft SNA Server for Windows NT, versions 2.0, 2.1, 2.11, 2.11 SP1,
and 3.0
SUMMARY
The IBM SDLC, MPCA and Token Ring adapters may cause interrupt or
shared memory conflicts.
MORE INFORMATION
The following information appears in the README.TXT file for SNA
Server.
Device drivers provided by SNA Server report any interrupt, port
address, or DMA conflicts they detect to the Windows NT System Event
log.
If you are using an IBM SDLC or MPCA card in an ISA or EISA bus
system, you should do the following:
- Disable SERIAL.SYS (which is enabled by default) to prevent an
interrupt conflict. To do this, use the Devices option in the Windows
NT Control Panel.
- Disable any COM ports that use interrupts that conflict with the IBM
SDLC adapters. This is normally done through EISA configuration
programs, CMOS setup programs, or jumpers on the motherboard.
The IBM SDLC adapter has a known hardware conflict with the Microsoft
Windows Sound System adapter--both attempt to use the same I/O address
on the bus, which makes these adapters incompatible on the same PC.
The Sound System adapter must be removed from the PC in order for the
IBM SDLC adapter to work.
If you are using an IBM token ring adapter in an ISA or EISA bus
system, you should do the following:
- By default, Windows NT loads PARALLEL.SYS during initialization. To
avoid interrupt conflicts between PARALLEL.SYS and IBMTOK.SYS, the IBM
Token Ring device driver, be sure to choose an interrupt other than 7
on your IBM Token Ring card, or disable the Parallel driver services
by using the Devices option in the Windows NT Control Panel.
- Disable any parallel ports that use interrupts that conflict with
the IBM Token Ring cards. This is normally done through EISA
configuration programs, CMOS setup programs, or jumpers on the
motherboard.
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