Article: Q111019
Product(s): Microsoft Windows 3.x Retail Product
Version(s): WINDOWS:3.1,3.11
Operating System(s):
Keyword(s):
Last Modified: 23-SEP-1999
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The information in this article applies to:
- Microsoft Windows for Workgroups versions 3.1, 3.11
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SUMMARY
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When you install a network adapter card, sound card, or other hardware adapter,
you typically have to choose an input/output (I/O) base address. If the base
address you choose for your network adapter card is currently being used by
another hardware adapter card, Protocol Manager may report an unsuccessful
binding, or your system may stop responding (hang).
This article provides a list of I/O base addresses that may already be in use on
your system and what hardware devices use them.
NOTE: Most network adapter cards have the default I/O base address 300.
MORE INFORMATION
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The I/O base address for each hardware adapter card installed on your system
must be unique to avoid potential problems. Before you install your network
adapter card, you should know which I/O base addresses are currently in use by
existing hardware adapter cards installed in your system. I/O base addresses are
typically set using jumpers on the card or using a software configuration
program in EPROM.
The following list shows I/O base address ranges commonly used by hardware
devices (other than network adapter cards) and what I/O base address they would
conflict with.
The I/O base address list does not list all available I/O base address. In
addition, some of these addresses may not be supported by your network adapter
card. For more information on I/O base addresses supported by your network
adapter card, consult your hardware documentation or contact the network adapter
card vendor.
Potential conflicting devices and their I/O base addresses:
Potential I/O Base
Device Range Used Address Conflict
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Game Controller 200-20F 200
Expansion unit 210-217 200
LPT3: 278-27F* 260
LCD display on Wyse 2108 PC 280
COM4 2E8-2EF 2E0
COM2 2F8-2FF 2E0
XT Hard drives 320
LPT2: 378-37F* 360
Secondary Bi-Sync interface 380-38C 380
Primary Bi-Sync interface 3A0-3A9 3A0
Monochrome Display/Printer Card 3B0-3BF 3A0
LPT1: 3BC-3BF* 3A0
EGA Adapter 3C0-3CF 3C0
CGA Display 3D0-3DF 3C0
COM3 3E8-3EF 3E0
Floppy Controller 3F0-3F7 3E0
COM1-Asynchronous Communications 3F8-3FF 3E0
NOTE: Some video cards use I/O base address 320. If you are using I/O base
address 320 for your network adapter card and are experiencing problems, try a
different I/O base address.
* These addresses are for older PS/2 computers. ISA computers use the following
address ranges:
Device Range Used
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LPT1: 378-37F
LPT2: 278-27F
LPT3: 3BC-3BF
The information in this article can also be found on page 20 of the SMC Elite 16
network card manual.
Additional query words: 3.10 3.11 nic interface board boards
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Keywords :
Technology : kbAudDeveloper kbWFWSearch kbWFW310 kbWFW311
Version : WINDOWS:3.1,3.11
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