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PCL-858 User's Manual
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Jumper Setting
l
IRQ Mode (JP1, IRQ12*)
l
Operation System Mode (JP3)
* Connect Left two pins of JP3 is used to DOS, Windows 3.1
Connect Right two pins of JP3 is used to Windows 95, NT
Ø
Speed Mode (SW2)
DIP1 : ON (Upper) position==> High Speed Mode or x 8 Mode
(Frequency of Oscillator Crystal = 14.7456 MHz)
* DIP1 : OFF (Lower) position==> Normal Speed Mode
(Frequency of Oscillator Crystal = 1.8432 MHz)
(*: default)
Base Address MODE (SW1): In this mode, The I/O Addresses and its
IRQ Level for each port are set to default as below, (Please make sure
that the I/O address on BIOS setting of on-board COM1 ~ COM4 will
never conflict with [Base Address] ~ [Base A 3Fh])
Port No.
I/O Address
COM Port No.
IRQ Level (JP1)
Port 1
Base A 00h
COM1
JP12
Port 2
Base A 08h
COM2
JP12
Port 3
Base A 10h
COM3
JP12
Port 4
Base A 18h
COM4
JP12
Port 5
Base A 20h
COM5
JP12
Port 6
Base A 28h
COM6
JP12
Port 7
Base A 30h
COM7
JP12
Port 8
Base A 38h
COM8
JP12
Summary of Contents for PCL-858
Page 1: ...PCL 858 8 Port RS 232 Interface Card...
Page 4: ...Chapter 1 Introduction 5 1 Introduction C H A P T E R...
Page 8: ...Chapter 1 Introduction 9 Figure 1 1 Switch and jumper layout...
Page 9: ...10 PCL 858 User s Manual...
Page 10: ...2 Hardware Installation C H A P T E R...
Page 12: ...Chapter 2 Hardware Installation 13...
Page 18: ...3 Software Installation C H A P T E R...
Page 22: ...Chapter 4 Wiring 23 4 Wiring C H A P T E R...
Page 27: ...28 PCL 858 User s Manual...
Page 28: ...Appendix A PC I O Address Assignments 29 A PC I O Address Reference A P P E N D I X...
Page 30: ...Appendix B Quick Reference 31 B Quick Reference A P P E N D I X...