Quatech QSC(LP)-100 user manual Troubleshooting, Computer will not boot up

Page 36

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.

Computer will not boot up.

1.Is the QSC(LP)-100 properly inserted? Remove the card and try again. Perhaps try a different expansion slot.

2.Ensure that an ISA-bus card is not using the same IRQ that the PCI BIOS tries to assign to the QSC(LP)-100. Most computers have BIOS setup options to reserve IRQs for either ISA or PCI use. Try reserving the IRQ for the ISA card. The BIOS will automatically choose a different IRQ for the QSC(LP)-100. An address conflict is unlikely because most PCI-based computers will assign I/O addresses in such a way that they cannot conflict with ISA-bus devices.

3.The QSC(LP)-100 may be defective. Contact technical support for instructions.

Cannot communicate with other equipment.

1.Are the cable connections correct? Are the cables securely attached?

2.Is the software configured with the correct base address and IRQ information for the QSC(LP)-100? (This is mainly a DOS issue.)

3.Is the device driver installed?

4.If you are trying to communicate with another DTE, a null-modem cable will be required.

5.If possible, use a loopback connector to test the port. This connector needs to connect the following sets of signals on a D-9 connector:

TxD and RxD (pins 2 and 3)

RTS and CTS (pins 7 and 8)

DCD, DTR, DSR, and RI (pins 1, 4, 6 and 9)

QSC(LP)-100 User's Manual

36

Image 36
Contents QSCLP-100 Warranty Information Iii Declaration of Conformity Enable Scratchpad Register SPAD, J2 Address Map and Special RegistersBase Address and Interrupt Level IRQ Enhanced Serial Adapter IdentificationGeneral Information Hardware Configuration Factory Default ConfigurationForce High-Speed Uart Clock X2, X4, or X8, J3-J5 Clock multiplier jumper optionsHardware Installation Jumper/connector locationsPort Address Range Enabling the Special Registers Interrupt Status RegisterOptions Register Bit Name DescriptionClock Rate Multiplier RR1 RR0Windows Configurations Windows MillenniumWindows Windows Using the New Hardware Found Wizard Viewing Resources with Device Manager Page Page Page Four-Port RS-232 Serial Adapter Page Page For legacy applicattions which cannot Page Page Other Operating Systems Windows NTOS/2 DOS and other operating systemsQTPCI.EXE QTPCI.EXE Expert Mode display External Connections RS-232 Port Signal PCI Resource Map INTA#Specifications ICL3245CAPage Troubleshooting Computer will not boot upQSCLP-100 Revision November