CardBus/PCMCIA
2 Serial Ports
User Manual
English
LINDY No. 70918
© LINDY ELECTRONICS LIMITED & LINDY-ELEKTRONIK GMBH
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FIRST EDITION (JUNE 2004)
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4.0 Pin Assignment
5.0 Driver Installation
ꢁWindows NT4.0
1. Power up the system.
2. After inserting the Serial Card Bus into PCMCIA Type II slot successfully,
please follow the instructions as below:
3. Please run the “Install_Serial.exe” program locate within folder of the
attached driver CD :
\PCMCIA\IO\CBS2000X\WinNT4\Install_Serial.exe
4. When the installation application starts, click “Next” to continue,
5. Ensure “Install” is selected, then click “Next”.
6. Click “OK” to accept the license agreement.
7. The system will install the driver and start it.
The ports are immediately ready for using.
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ꢁWindows 9x/2000/XP
1. Power up the system.
2. After inserting the Serial Card Bus into PCMCIA Type II slot successfully,
please follow the instructions as below:
3. System will show the “Found New Hardware Wizard” windows.
a. You can select “Install the software automatically”.
Let system searching and installing the appropriate driver automatically.
b. You can select “Install from a list or specific location”.
Please specify the driver locate within folder of the attached driver CD :
\PCMCIA\IO\CBS2000X\
4. System will search the “PCcard OX16CF950” driver and show the software
installation warning windows. Select “Continue Anyway” to install driver.
5. After installing driver successfully, please select “Finish” to complete the
driver installation steps.
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Note:
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The “Add New Hardware Wizard” windows will show up and re-install driver
several times until you finish setting up each serial port.
Please right click “My Computer”, select “Properties”, and “Hardware”, then
“Device Manager” to verify the driver installation completed.
If there is any yellow exclamation mark on "PCcard OX16CF950", please
remove this item from the Device Manager by clicking the Uninstall button
and click Refresh to reinstall this driver again.
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6.0 Configure COM Port
1. Select the COM Port which you want to configure, for example COM4.
Right check the mouse, and select the “Properties”.
2. You can configure different operating settings through selecting the “High
Speed Communications Port” properties pages.
3. Please select “Settings” to configure standard Baud rate, Data bits, Parity,
Stop bits and Flow control options, then select “Advanced Setting” to
choose COM port number as picture shown.
NOTE: RS-422/485 option is useless in this mode.
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3. You can select “FIFOs” change the length of receiver and transmitter FIFO.
This page is used to configure the FIFO trigger levels, i.e. at what fill levels the device will generate an
interrupt, or apply automatic flow control. In addition, the FIFO can be completely disabled; although this is
not recommended for normal operation. The four sliders allow adjustment of the various trigger levels in
550 and 950 modes. These are described below:
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Transmitter FIFO interrupt trigger level - When the level of data in the transmit FIFO falls below this
value, a transmitter interrupt is triggered. Setting this value to zero will not trigger an interrupt until the
transmitter is completely idle.
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Receiver FIFO interrupt trigger level - When the level of data in the receiver FIFO reaches this
value, a receiver data interrupt is triggered.
Flow On flow-control limit - When the level of data in the receiver FIFO reaches this value as data
is read from the FIFO, a handshake is triggered to instruct the remote transmitter that it is free to
transmit data (E.g. Transmit an XON character to the remote machine).
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Flow Off flow-control limit - When the level of data in the receiver FIFO reaches this value as it fills
up, a handshake is triggered to instruct the remote transmitter to stop sending data as the FIFO is
becoming full. (E.g. Transmit an XOFF character to the remote machine).
The FIFO trigger levels can be fine tuned to gain optimum performance, depending on system
performance, baud rate used, levels of serial traffic etc.
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4. You can select “Data Rate” change the crystal Frequency of input clock.
This page provides a list of common crystal values used with COM ports. Select “Detect crystal
frequency” to detect the input clock frequency to the UART. (This requires that the port is not currently in
use by another application).
The baud rate can optionally be adjusted according to the data rate required. To enable the advanced
baud rate configuration options, deselect the “Use default baud rate” box. In normal operation, the driver
will generate the desired baud rate from the crystal frequency. The quad speed option will multiply all
application selected baud rates by 4 by utilising the OX16C95x Times clock register (TCR). The driver can
multiply this baud rate, or divide it using the Clock Prescaler register (CPR).
The clock pre-divisor is used to divide the input clock prior to baud rate generation. This means a high
speed crystal (e.g. 50MHz) can be pre-divided to generate standard baud rates (In this case 50 / 27.125 =
1.8433 MHz, which will emulate a 1.8432 MHz crystal with less than 0.01% bit rate error). Alternatively, the
pre-divisor could be switched off to allow data rates up to 12.5Mbps to be generated.
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This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operations.
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