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` QSC-100 Two Channel RS-232 Asynchronous Communications Adapter 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-100 to be free of defects for one (1) year 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.
Ó 1998 -2000, 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.
Hudson, Ohio 44236 (USA) Application of Council Directive: 89/336/EEC Standards to which Conformity is Declared: * EN50081-1 (EN55022, EN60555-2, EN60555-3) * EN50082-1 (IEC 801-2, IEC 801-3, & IE.
29 11 Troubleshooting ..................................................... 27 10 Specifications ....................................................... 26 9 PCI Resource Map .................................................... 24 8 External Connections .
1 General Information The Quatech, Inc. QSC-100 provides four RS-232 asynchronous serial communication interfaces for IBM-compatible personal computer systems using the PCI expansion bus. The QSC-100 uses Quatech's new Enhanced Serial Adapter design.
1.1 Features The standard QSC-100 implements each of its communication channels with a 16750 UART and uses standard line driver and receiver components.
2 Hardware Configuration The QSC-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-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.
4.2 Enabling the Special Registers The QSC-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-100 as a Quatech Enhanced Serial Adapter. It also allows software to set the UART clock rate multiplier. Figure 8 shows the structure of the Options Register. The powerup default of the Options Register is all bits zero.
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. This is controlled by the clock rate multiplier bits in the Options Register.
5 Windows Configuration 5.1 Windows Mille nnium 1. After inserting the QSC 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-100 for the first time, the "Add New Hardware Wizard will appear at start up. Click the "OK" button. 2. The following dialog box insert the Quatech COM CD (shipped with the device). Click the "OK" button.
1. After inserting a QSC-100 for the first time, the "Add New Hardware Wizard will appear at start up. Click the "Next" button. 2. Select "Search for the best driver for you device". Click the "Next" button. 3. On the next dialog, select the " CD-ROM DRIVE " check box.
4. The following dialog box will display the appropriate INF file on the CD in 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.
5. Again select the radio button for "Driver from disk provided by hardware manufacturer." Click the "OK" button to continue. 6. Another "Install From Disk" dialog box will pop up. The path should already be pointing to the Quatech CD.
2. Click the "Device Manager" tab located along the top of the System Properties box. This lists all hardware devices registered inside the Windows 95 registry. Additional information is available on any of these devices by click on the device name and then selecting the "Properties" button.
The Windows NT device driver is installed by running the SETUP program. Up to 256 serial ports are supported. There is a command line-based configuration utility which is used for adding PCI bus and ISA bus serial ports.
6 DOS and Other Operating Systems The QSC-100 is not a direct drop-in replacement for a legacy serial port because its base address and IRQ 3 (COM2), etc. Rather, the system BIOS assigns the address and the IRQ in a plug-and-play fashion at boot time.
Q - Quatec h PCI adapters N - Other PCI devic es X - EXIT M - Change to Expert Mode Quatech PCI Conf iguration Inform ation Dis play Software Version 1.00 INSTRUCT IONS: ------------------------ Press k eys listed in the menu at the bottom of the screen.
For users interested in even more details, PCI BIOS information can be displayed by pressing the "B" key. Pressing the "I" key displays the PCI interrupt routing table. Q - Quatec h PCI adapters N - Other PCI devic es X - EXIT M - Change to Basic Mode Quatech PCI Conf iguration Inform ation Dis play Software Version 1.
7 OS/2 The OS/2 device driver supports up to 32 serial ports in a system. Installation is a manual, but simple, process. Please refer to the read me documentation included on the Quatech COM CD with the device driver for full installation and configuration details.
8 External Connections RS-232-C devices are classified by their function as either Data Terminal Equipment (DTE) or Data Communication Equipment (DCE).
The QSC-100 is a DTE device which connects to peripheral equipment through a single female D-37 connector, or using the adapter cable, four male D-25 connectors.
9 PCI Resource Map Listed below are the PCI resources used by the QSC-100. Such information may be of use to customers writing their own device drivers or other custom software. A detailed description of the QSC-100's UARTs is available on the Quatech web site.
10 Specifications Bus interface: PCI, 32-bit bus, 5-volt only IBM -compatible computers Dimensions: approx. 5.0" x 3.7" Serial ports Controller: 16750 with 64-byte FIFOs Interface: One femal.
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 (.
11 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 QS C-100's warranty.
QSC-100 User's Manual Revision 1.11 March 2004 P/N: 940-0146-111 Quatech QSC-100 User's Manual 30.
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