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 Home > Support > Flexport 22EX Installation

FlexPort 22EX Installation Guide

Topics:

• Caution
• Recommended Settings for Pentium & Windows 95 Systems with existing 2 Serial Ports & 1 Parallel Port
• Installation Worksheet

Caution:

1. To avoid existing PnP hardware setting conflict, please check your system for open IRQ and Addresses.
2. Assign separate unused Address and IRQ for each port. (The default IRQ {5, 7, 10, 11} might not match your system.) Windows 95 user please check "Control Panel" goes to "System" then "Device Manager" then click on "Computer." Please use the Installation Worksheet below to select IRQs for ports.
3. Ports may share same IRQ if they are not operating simultaneously.
4. Relocate jumpers on FlexPort 22EX prior to installing the board into your computer.
5. To disable a port, just remove the Address jumper and IRQ jumper.

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Recommended Settings for Pentium and Windows 95 Systems with existing 2 Serial and 1 Parallel Ports

Port

Address

IRQ

Location

Windows 95 Device Resource

COM-1*

03F8 (BIOS)

4 (Preset by BIOS)

#1 Serial port from mother board. (Mouse)

Basic Configuration 0000

COM-2*

02F8 (Modem/BIOS)

3 (Modem or BIOS)

#2 Serial port from mother board. (Modem)

Basic Configuration 2

COM-3*

03E8 (JP-5=A+B+C)

10 or _____

Octopus cable Serial 9 pin # 1 (Default)

Basic Configuration 5

COM-4*

02E8 (JP-5=A+B+C)

11 or _____

Octopus cable Serial 9 pin # 2 (Default)

Basic Configuration 7

LPT-1**

03BC (BIOS)

7 (Preset by BIOS)

Parallel port from mother board

Basic Configuration 0000

LPT-2

0378 (U17=A) ECP/EPP

7 or _____

Octopus cable Parallel 25 pin # 1 (Default)

Basic Configuration 2

LPT-3

0278 (U17=B) ECP/EPP

5 or _____

Octopus cable Parallel 25 pin # 2 (Default)

Basic Configuration 2

Notes:

•  * 1:JP5=A+B without any existing COM port. (Port 1=3F8 IRQ=4, port 2=2F8 IRQ=3), 2:JP5=A with existing COM 1, 2 and Modem on COM 4. (port 1=3E8 IRQ=___, port 2=2E0 IRQ=___)
   
•  **  1: the address of Parallel port on the motherboard must be set at 3BC.

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Installation Worksheet

IRQ

Occupied Device

Ports (FlexPort-22EX)

3

4

5

7

9=2

10

11

12

14

15

For Windows 3.1x Users

1. In order to use more than 4 COM ports under Windows 3.1, or Windows for Workgroup 3.11, you need to modify the [386Enh] under system.ini file in your computer.
2. After computer restart the Windows: go to Main, then Control Panel, then Enhanced under Device Contention. You should see all the ports listed.
3. To increase buffer size add the following after each COM port listed below: 
4. COM 1 IRQ = 4
5. COM 1 Base=03F8
6. COM1 Buffer=10000

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386 Enh

MaxCOMPort=6

COM 1 IRQ=4

COM 1 Base=03F8

COM 2 IRQ=3

COM 2 Base=02F8

COM 3 IRQ=9 or _____

COM 3 Base=03E8

COM 4 IRQ=10 or _____

COM 4 Base=02E8

COM 5 IRQ=11 or _____

COM 5 Base=0100

COM 6 IRQ=12 or _____

COM 6 Base=0180

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