Custom solutions & drivers for the OX16PCI954
VERSION 1.0
4 OVERVIEW and INSTALLATION
4.1 OX16PCI954
4.1.1 Windows 95/98 and Windows 2000 drivers for OX16PCI954
Overview
The architecture of the Windows 9x and Windows 2000 drivers is very similar. The driver set consists of Plug and Play bus drivers, which
create device objects for each UART / parallel port available. Each UART is hooked by a single-port driver, which enables the following
16C95x features:
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128-byte receiver and transmitter FIFOs
Adjustable receiver and transmitter interrupt trigger level
Automatic flow control
Quad speed (using Times clock register)
Flexible baud rate generation up to 60Mbaud (50Mbaud on OX16C954)
RS485 half-duplex configuration
Memory-mapped operation (Windows 2000 driver only)
The parallel port is hooked to the generic driver supplied with Windows.
The drivers will recognise the OX16PCI954 in any of its default configurations, and also recognise the reserved device ID 0x950A as a two
serial port device (see application note “Custom Drivers” for more information).
Installation
Install the hardware by following system instructions. Power up the system. Then follow the instructions below depending on which
operating system is installed. To upgrade the Windows 9x driver from a previous release, first boot up the system with the existing drivers.
Right-click “My Computer”, select Properties, then Device Manager. Double-click “Multifunction” and remove all Oxford Semiconductor
devices from this category. Restart the machine, then follow the instructions below.
Windows 98
1. The system will detect the device and start the “Add new hardware” wizard. Click Next to continue.
2. The system will suggest that it searches for the best driver for the device. Click Next to confirm.
3. If the driver files are on a floppy disk, insert it into the drive now. If the driver files are on the hard disk, point the wizard at the
correct directory.
4. Click Next to continue.
5. The system searches for the driver. If it doesn’t find the Oxford Semiconductor device, make sure the driver files are present and
the Wizard knows where to find them.
6. Once the system has found the driver, click Next to continue.
7. The system installs the driver.
8. Click Finish.
9. If you are using the parallel port, the system detect it next. Re-iterate steps 2-8, but specify that the driver files are located in the
9x_parallel directory.
10. Once the main drivers are installed, the system installs the UART ports automatically.
Windows95 (OSR21)
Note: the system prompts may vary between different versions of Windows. If in doubt consult the user manual.
1. The system detects the device and starts the “Update Device Driver” wizard.
2. If you have the driver files on a floppy disk, insert it into the drive now. Click Next to continue.
3. The system searches for the driver. If it doesn’t find the Oxford Semiconductor device, click ‘Other Locations’ and enter the full
path to the driver files.
4. Once the system has found the driver, click Finish.
5. The system installs the device, and then goes through the same steps for the local bus / parallel port. Note: the parallel port
drivers are located in the 9x_Parallel directory.
6. Once the main drivers are installed, the system installs the UART ports automatically. (Note: due to a Win95 bug you may have to
re-enter the path for it to find the files).
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Oxford Semiconductor Ltd.
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