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Congratulation on your purchasing this high performance PCI 

Express multi-serial host adapter. The adapter is high speed PCI 

Express bus based and plug-and-play compliant. Its serial ports 

are fully 16C950 UART compatible with most of the RS232C 

devices available from the market.   
Features: 

 

Full x1 PCI Express Throughput, 250Mbytes/sec 

 

Fully Compliant with PCI Express Base Specifications, 

Revision 1.0a 

 

16C950 UARTs, Fully Compatible with 16C550, Baud Rate up 

to 921.6Kbps 

 

Supports 8S RS232 ports over one single PCI Express slot. 

 

Supports Windows 2000 and XP and Linux 

 

 

 

 

 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

1. Introduction 

2. Board Layout 

J2: DB62 pin 

Connector to   

8-port Octopus 

Cable 

J3: Aux. Power 

Connector 

JP1: S1~S4 and S5~S8 

Swap Jumpers 

JP4: Aux Power 

Source Selector 

Y1: 14.7456MHZ 

Oscillator for 

RS232 Baud Rate 

Generator 

JP3: Power over External 

Connector Enable/Disable 

JP2: Baud 

Oscillator Selector 

MSC-208A 

Installation Guide 

Summary of Contents for MSC-208A

Page 1: ...iant with PCI Express Base Specifications Revision 1 0a 16C950 UARTs Fully Compatible with 16C550 Baud Rate up to 921 6Kbps Supports 8S RS232 ports over one single PCI Express slot Supports Windows 20...

Page 2: ...S3 S7 S4 S8 J JP3 and JP4 External Power Selector These jumpers were used to provide the external power to pin 58 of the external connector JP3 will enable or disable the power over the pin 58 JP4 is...

Page 3: ...board or power supply This setting is designed for your applications that need to power from pin 58 and you need your specical cable instead of the normal octopus cable come with this product JP4 Sett...

Page 4: ...mputer 8 Turn ON the power of your computer and peripherals 9 Proceed with Software Driver Installation The Multi Serial I O PCI Express card is plug and play so the driver installation is quite strai...

Page 5: ...ent main model For enhanced model you need go to Windows COM port Properties to detect this input clock automatically and fit this clock value see the software setup for more details 6 1 Windows 2000...

Page 6: ...CD1 45 GND 4 DSR2 25 TXD2 46 CTS2 5 DCD2 26 DTR2 47 RTS2 6 TXD3 27 RXD3 48 CTS3 7 DTR3 28 DSR3 49 RTS3 8 RXD4 29 DCD3 50 GND 9 DSR4 30 TXD4 51 CTS4 10 DCD4 31 DTR4 52 RTS4 11 RXD5 32 GND 53 CTS5 12 DS...

Page 7: ...ace Number of Ports RS 232 Signals Baud Rate Data Bits Stop Bits I O address IRQ Parity Flow Control Power Requirement Operating Temperature Operating Humidity Storage Temperature DB62 Female DB62M to...

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