IBD181
EXAR XR21V1410
Serial Port Mini PCI-E Card(For RS-232)
User Guide
Version: 1.0
IBD181 Mechanical Drawing
IBD181 Mini PCI-E Serial Port Card
CN1: COM1 Serial Ports
Matching connector: Molex P/N 51021-0900
Pin # Signal Name
1 DCD, Data carrier detect
2 RXD, Receive data
Cable Mechanical Drawing
3 CTS, Clear to send
4 GND, ground
5 TXD, Transmit data
6 RTS, Request to send
7 DSR, Data set ready
8 DTR, Data terminal ready
9 RI, Ring indicator
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Mini PCI-E Serial Ports Driver Installation
1. In the Windows OS, go to the Computer Device
Manager screen. In the ”Other devices” as shown,
right click “Unknown Device”.
2. On the “Unknown Device Properties” screen, click
Update Driver.
3. On the “Update Driver Software“ screen, click Browse
to find the driver’s path in the DVD provided or enter
the path directly – D:\SCSI\IBD183\Windows 7\x86,
click Next.
4. The Setup process is no w complete. Click Close.
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