IBASE IBD188 User Manual
IBASE Hardware
IBD188 EXAR XR17V358
Mini PCI-E Serial Ports Adaptor Card
IBD188 User Guide 1.0
Connectors Pin Definition
CN2: COM1 Serial Ports
CN1: COM2 Serial Ports 
CN3, CN4: COM3/4 Serial Ports 
CN5, CN6; COM5/6 Serial Ports
CN8: COM7 Serial Ports 
CN7: COM8 Serial Ports 
Matching connector: Molex P/N 51021-0900
Pin # Signal Name
1
DCD, Data carrier detect
2 RXD,
Receive
data
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
IBD188 and Pk1-68 Mechanical Drawing 
 
IBD 188 x 1 and PK1-68 x 8
Mini PCI-E Serial Ports Driver Installation
1. In the Windows OS, go to the Computer Management screen. In the 
‘Other devices’ as shown below, right click the “PCI Serial Port” and 
select “Update Software Driver.’
2. In the Update Driver Software-PCISerial Port screen, 
select“Browse my computer for driver software”. 
3. Choose“installation” options. Click Browse to find the 
driver’s path in the CD provided or enter the path directly - 
\SCSI\IBD184\Windows 7\X86
 
4. Click Install this driver software Anyway. 
5. Finally the screen will show “Windows has successfully 
updated your driver software”. Click Close. 
6. There are eight serial ports. Therefore, the Hardware Update
Wizard procedure will be repeated for the other serial ports.