Chapter 2 Hardware Installation
9
Interrupt (IRQ) setup (JP1 and JP2)
Jumpers JPI and JP2 set the interrupts for Port I and Port 2, respec-
tively. You can choose any IRQ from 3 to 15, except 8, 13 and 14.
When you choose IRQs, make sure they are not used for other cards
in the system. The following figures show the card’s default settings.
JP1: Port 1 IRQ Default
JP2: Port 2 IRQ Default
Memory base address (SW1)
The memory base address for the PCL-841, which requires 4 KB of
address space, is made up of the memory segment and its associated
offset. The address for the memory segment is set through SWI, a six-
position DIP switch. You can choose any base address from C800 to
EFOO. The following table shows the DIP switch settings and the
corresponding base addresses.
Memory address configUration (SW1)
Address/DIPswitch
A12
A13
A14
A15
A16
A17
C800H
on
on
on
off
on
on
C9OOH
off
on
on
off
on
on
CAOOH
on
off
on
off
on
on
CBOOH
off
off
on
off
on
on
CCOOH
on
on
off
off
on
on
CDOOH
off
on
off
off
on
on
CEOOH
on
off
off
off
on
on
CFOOH
off
off
off
off
on
on
Summary of Contents for PCL-841 Series
Page 2: ...1 Introduction C H A P T E R ...
Page 5: ...4 PCL 841 Series User s Manual ...
Page 6: ...2 Hardware Installation C H A P T E R ...
Page 8: ...Chapter 2 Hardware Installation 7 Jumper and switch locations ...
Page 13: ...12 PCL 841 Series User s Manual ...
Page 14: ...3 Software Programming C H A P T E R ...
Page 22: ...4 DataMonitor Utility C H A P T E R ...
Page 28: ...5 Wiring C H A P T E R ...
Page 31: ...30 PCL 841 Series User s Manual ...
