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QSC(LP)-100 Four Channel Low Profile RS-232 Asynchronous Communications Adapte r for PCI bus User's Manual QUATECH, INC. TEL: (330) 655-9000 5675 Hudson Industrial Parkway FAX: (330) 655-9010 Hudson, Ohio 44236 http://www.
WARRANTY INFORMATION Quatech, Inc. warrants the QSC(LP)-100 to be free of defects for five (5) years from the date of purchase. Quatech, Inc. will repair or replace any board that fails to perform under normal operating conditions and in accordance with the procedures outlined in this document during the warranty period.
2006, Quatech, Inc. NOTICE The information contained in this document cannot be reproduced in any form without the written consent of Quatech, Inc. Likewise, any software programs that might accompany this document can be used only in accordance with any license agreement(s) between the purchaser and Quatech, Inc.
Declaration of Conformity Manufacturer's Name: Quatech Inc. Manufacturer's Address: 5675 Hudson Industrial Parkway Hudson, Ohio 44236 (USA) Application of Council Directive: 89/336/EEC Stand.
38 10 Troubleshooting ................................. 36 9 Specifications ...................................... 35 8 PCI Resource Map ............................... 33 7 External Connections ............................ 31 6.3.1 QTPCI.EXE ........
1 General Information The Quatech, Inc. QSC(LP)-100 provides four RS-232 asynchronous serial communication interfaces for Low Profile I BM-compatible personal computer systems using the PCI expansion bus. The QSC(LP)-100 uses Quatech's new Enhanced Serial Adapter design.
2 Hardware Configuration The QSC(LP)-100 is automatically configured at boot time by the computer's BIOS or operating system. There are no required switches or jumpers to set for installation. This chapter lists a number of optional jumper settings that control various hardware features.
2.3 Force High-Speed UART Clock (X2, X4, or X8, J3-J5) These jumpers force an increase of the UART input clock frequency by a factor of two, four, or eight.
3 Hardware Installation 1. Turn off the power of the computer system in which the QSC(LP)-100 is to be installed. 2. Remove the system cover according to the instructions provided by the computer manufacturer. 3. Make any desired optional jumper setting changes.
4 Address Map and Special Registers This chapter explains how the four UARTs and special registers are addressed, as well as the layout of those registers. This material will be of interest to programmers writing driver software for the QSC(LP)-100. 4.
4.2 Enabling the Special Registers The QSC(LP)-100 contains two unique registers, an Interrupt Status Register and an Options Register. These registers are enabled when the SPAD jumper (J6) is removed (factory default). They replace the UART Scratchpad Register on accesses to register address 7.
4.4 Options Register The Options Register allows software to identify the QSC(LP)-100 as a Quatech Enhanced Serial Adapter. It also allows software to set the UART clock rate multiplier. Figure 9 shows the structure of the Options Register. The powerup default of the Options Register is all bits zero.
4.4.2 Clock Rate Multiplier A standard RS-232 serial port operates at a clock speed of 1.8432 MHz. In order to achieve higher data rates, Quatech Enhanced Serial Adapters can operate at two times, four times or even eight times this standard clock speed.
5 Windows Configurations 5.1 Windows Mille nnium 1. After inserting the QSC(LP)- 100 for the first time the "Add New Hardware Wizard" will begin. Select "Search for the best driver for your device.". Check the "Removable media" and "Specify location" box.
5.2 Windows 2000 1. After inserting a QSC(LP)-100 for the first time, the "Add New Hardware Wizard will appear at start up. C lick the "OK" button. 2. The following dialog box will appear. I nsert the Quatech COM CD (shipped with the device).
5.3 Windows 98 1. After inserting a QSC(LP)-100 for the first time, the "Add New Hardware Wizard will appear at start up. C lick the "Next" button. 2. Select "Search for the best driver for you r device". Click the "Next" button.
4. The following dialog box will display the appropriate INF file on the diskette in the drive. Click the "Next" button. 5. Window will copy the INF file from the diskette and display a final dialog indication that the process is complete. Click the "Finish" button.
2. Select the radio button for "Driver from disk provided by hardware manufacturer." Click the "OK" button to continue. 3. An "Install From Disk" dialog box should pop up. Insert the disk with the Quatech INF files on it, select the correct drive letter, and click the "OK" button.
The following instructions provide step-by-step instructions on viewing resources used by the QSC(LP)-100 in Windows using the "Device Manager" utility. Select Start|Help from within Windows for additional information on this utility. 1. Double click the "System" icon inside the Control Panel folder.
Figure 12--- Windows Device Manager 6. The QSC(LP)-100 serial ports are also listed under the group Ports ( COM and LPT). Windows 95 does not assign COM1-COM4 to ports addressed at nonstandard locations. The QSC(LP)-100 ports will be enumerated starting with COM5 (or higher) even if lower logical numbers are available.
Figure 13--- Windows Device Manager 9. Use the Logical COM Port names to access the serial ports on your QSC(LP)-100 through your software applications. Note: The Logical COM Port name is assigned to your ports by Windows . This name is required by a Windows application when accessing a particular p ort.
5.6.1 Changing Resource Settings with Device Manager 1. Start the Windows 95/98/ME Device Manager . 2. Double click on the hardware class Multi-Port Serial Adapters to list hardware devices in the class. 3. The QSC(LP)-100 “parent device” belongs to this hardware class.
4. Open the Properties dialog for the QSC(LP)-100 device, then click the Resources tab to view the Input/Output Range and Interrupt Request resource allocations. Do not change these settings without specific instructions from a Quatech Technical Support Specialist.
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 230,400 X2 The X1 clock mode mimics a standard COM port. The hardware drivers lock the clock to the standard rate.
The X8 clock mode locks the ports hardware clock at eight times the standard rate. The baud rate the port runs at will always be eight times the rate requested by the application. This mode is useful for legacy applications which cannot request baud rates over 115.
8. Click the "Port Settings" tab and then click the "Advanced" button. The QSC(LP)-100 driver will display a custom Advanced Port Settings control, which allows the ports UART compatibility mode and FIFO threshold levels to be configured.
QSC(LP)-100 User's Manual 27.
6 Other Operating Systems Device drivers for Windows NT and OS/2 are also available for the QSC(LP)-100. The board can be used under DOS and other operating systems as well in many circumstances. The software described below can be downloaded from the Quatech web site if it did not come with the board.
6.3.1 QTPCI.EXE Quatech's "QTPCI" utility supplies the information required when modifying the serial port settings of the application. This program should be run from real DOS, not in a Windows DOS box. Figure 14 shows the Basic Mode display for the QSC(LP)-100 after the "Q" key has been pressed.
Figure 15 shows the Expert Mode display for the QSC(LP)-100 after the "Q" key has been pressed. The information from the Basic Mode display is presented along with more details such as the Vendor and Device IDs, PCI Class Code, size of memory and I/O regions, etc.
7 External Connections RS-232-C devices are classified by their function as either Data Terminal Equipment (DTE) or Data Communication Equipment (DCE).
The QSC(LP)-100 is a DTE device which connects to peripheral equipment through a single female D- 44 connector, or using the adapter cable, four male D-9 connectors.
8 PCI Resource Map Listed below are the PCI resources used by the QSC(LP)-100. Such information may be of use to customers writing their own device drivers or other custom software. A detailed description of the QSC(LP)-100's UARTs is available on the Quatech web site.
9 Specifications Bus interface: PCI, 32-bit bus, Universal Voltage Signaling IBM -compatible computers Dimensions: approx. 5.0" x 3.7" Serial ports Controller: 16550 with 16-byte FIFOs Inter.
4800 4300 3300 1570 800 115.2 2000 1630 1100 900 330 230.4 1100 900 670 430 100 460.8 470 430 300 100 N/A 921.6 25% trans time 20% trans time 15% trans time 10% trans time 4% trans time Maximum Load (.
10 Troubleshooting Listed here are some common problems and frequent causes of those problems. If the information here does not provide a solution, contact Quatech technical support. Any unauthorized repairs or modifications will void the QSC(LP)-100's warranty.
QSC(LP)-100 User's Manual Revision 1.12 November 2006 P/N: 940-0180-112 QSC(LP)-100 User's Manual i.
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