Measurement-computing PCI-COM232 Manual de usuario Pagina 21
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6.0 TROUBLESHOOTING Q & A:
The system does not recognize a mouse connected to the PCI-COM232 ports.
Some systems are not able to detect a mouse connected to ports on the PCI-COM232 board.
Future releases will address this problem. Therefore, currently it is best to assume that the mouse
will not work when connected to any of the PCI-COM232 ports.
The system was working before I rebooted and now no longer works.
The main issue with detecting the PCI-COM hardware involves the system-assigned base
address. The PCI-COM232 board relies on the Plug-n-Play capabilities of the system BIOS to
assign the base address for the COM ports. When new hardware is added to the machine, the
entire system is reconfigured. This might affect the addresses assigned to the PCI-COM232 board
and hence where the system detects the board. The easiest way to deal with this issue is to go into
the Device Manager and delete the “PCI-COM…” entry under the “Multi-Function” node. Now
reboot the system. This forces the system to reconfigure the PCI-COM232 board. After the
machine has rebooted, go back into the Ports entry under the Device Manager and configure the
Advanced settings. This forces the system to write the new settings to the registry. If you installed
the
ComSet32.exe
application in the Startup folder, the new configuration is restored after each
reboot.
I cannot configure an internal modem under Windows NT.
The PCI-COM installation replaces the standard Windows NT
Serial.sys
device driver with a
modified driver that supports the PCI-COM family of boards. The modified driver will work for
any of the boards in the PCI-COM family as well as the internal COM1 and COM2 ports.
However, there is an issue with the system being able to detect internal modems. This appears to
be a resource-related issue with the current implementation of the modified serial device driver.
Until this issue is resolved, internal modems are not supported on machines with PCI-COM
boards.
- PCI-COM232 Series 1
- User’s Manual 1
- HM PCI-COM232.doc 2
- TABLE OF CONTENTS 3
- 1.0 INTRODUCTION 5
- 2.0 INSTALLATION 6
- 3.0 HARDWARE CONNECTIONS 11
- 3.5 Port Identification 13
- COM1 0x3F8 – 0x3FF 4 14
- COM2 0x2F8 – 0x2FF 3 14
- COM3 0x3E8 – 0x3EF 4 14
- COM4 0x2E8 – 0x2EF 3 14
- 4.0 REGISTER MAP 15
- 4.2 Register Descriptions 16
- 5.0 SPECIFICATIONS 19
- NVIRONMENTAL 20
- For your notes 22
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