Quatech QSC(LP)-100

The X2 clock mode locks the ports

hardware clock at double the standard

rate. The baud rate the port runs at will

always be double the rate requested by

the applications. This mode is useful

230,400X2

The X1 clock mode mimics a standard

COM port. The hardware drivers lock

the clock to the standard rate. The port

will run at the baud rate requested by

the application.

115,200X1

Auto clock mode enables applications to

request any baud rate up to 921,600.

The hardware drivers will select the

correct clock multiplier based on the

baud rate requested

921,600Auto

DescriptionMax bpsClock Mode Data Rate Multiplier

QSC(LP)-100 User's Manual 24

Contents

Main Page Page Declaration of Conformity 10 Troubleshooting 2 Hardware Configuration 3 Hardware Installation 4 Address Map and Special Registers 5 Windows Configurations 1 General Information 2 Hardware Configuration 2.1 Factory Default Configuration 2.2 Enable Scratchpad Register (SPAD, J2) 2.3 Force High-Speed UART Clock (X2, X4, or X8, J3-J5) 3 Hardware Installation 4 Address Map and Special Registers 4.1 Base Address and Interrupt Level (IRQ) 4.2 Enabling the Special Registers 4.3 Interrupt Status Register 4.4 Options Register 4.4.1 Enhanced Serial Adapter Identification 4.4.2 Clock Rate Multiplier 5 Windows Configurations 5.1 Windows Mille nnium 5.2 Windows 2000 Page 5.4 Windows 95 5.5 Using the "New Hardware Found" Wizard 5.6 Viewing Resources with Device Manager Page Page Page Page Page Page Page Page Page 6 Other Operating Systems 6.1 Windows NT 6.2 OS/2 6.3 DOS and other operating systems 6.3.1 QTPCI.EXE Page 7 External Connections Page 8 PCI Resource Map 9 Specifications Page 10 Troubleshooting