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Two Port 16550 ISA Serial Card

ISA2S550

Instruction Guide

The Professionals’ Source For Hard-to-Find Computer Parts

S E R I A L C A R D

* Actual product may vary from photo

Summary of Contents for ISA2S550

Page 1: ...Two Port 16550 ISA Serial Card ISA2S550 Instruction Guide The Professionals Source For Hard to Find Computer Parts SERIAL CARD Actual product may vary from photo ...

Page 2: ...ce to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving ante...

Page 3: ...Table of Contents Introduction 2 Installation 3 Setting the Jumpers 4 Technical Support 7 Warranty Information 7 1 ...

Page 4: ...ty Before You Begin To ensure a quick and easy card installation please read through this section carefully before attempting to install the card System Requirements An open ISA slot WARNING ISA cards like all computer equipment can be severely damaged by static electricity Be sure that you are properly grounded before opening your computer case or touching your ISA card StarTech com recommends th...

Page 5: ...re that your system is unplugged and you are grounded 2 Remove the cover of your system see your computer s user manual for details if necessary and gently turn your computer onto its side 3 Locate an empty ISA slot usually black in colour and remove the metal plate that covers the rear bracket You may need a Phillips screwdriver to perform this step Hang on to the screw You will need it to secure...

Page 6: ...possible transfer rate settings labeled 1 2 and 4 for each COM port Each pin corresponds to the following transfer rate Set the transfer rate for each port by setting the jumpers according to the following example In the example above Port A has been set to 460 8Kbps and Port B has been set to 230 4Kbps 1 2 4 1 2 4 COM A COM B Pin Rate 1 115 2 Kbps default 2 230 4 Kbps 4 460 8 Kbps ...

Page 7: ...ructions if necessary This card supports COM Addresses 1 through 7 2 Set the COM Address for each port by placing the jumpers according to the following example In the example above Port A is set to COM 1 and Port B is set to COM 2 The base addresses are as follows 5 A B 1 2 3 4 5 6 7 COM 1 3F8 3FF Hex COM 2 2F8 2FF Hex COM 3 3E8 3EF Hex COM 4 2E8 2EF Hex COM 5 2F0 Hex COM 6 3E0 Hex COM 7 2E0 Hex ...

Page 8: ... Find an available IRQ on your system Consult the user manual that came with your OS for instructions if necessary 2 Set the IRQ line for each port by placing the jumpers according to the following example In the example above Port A is set to IRQ 4 and Port B is set to IRQ 3 6 A B 3 10 9 4 5 11 12 15 ...

Page 9: ...This product is backed by a lifetime warranty In addition StarTech com warrants its products against defects in materials and workmanship for the periods noted below following the initial date of purchase During this period the products may be returned for repair or replacement with equivalent products at our discretion The warranty covers parts and labor costs only StarTech com does not warrant i...

Page 10: ...Revised January 8 2003 ...

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