Setting The Base Address - Keithley DAS-800 series User Manual

Setting the Base Address

3-10
DAS-800 Series boards are shipped with a base address of 300H. If any of
the address locations between 300H and 307H are being used by another
resource in your system (including another DAS-800 Series board), you
must reconfigure the base address using the base address switch block
(labeled S1 on the DAS-800 board; labeled S2 on DAS-801 and
DAS-802 boards).
Note: In Windows NT, the default address used by DriverLINX is 768
decimal or 0x300 hex. If you have another peripheral board at the same
address, select a different base address. You need a block of eight free
addresses. Make sure that the switch settings for each board match the
settings you set in DriverLINX. Refer to the Using DriverLINX with Your
Hardware—Keithley DAS-800 manual.
Using DriverLINX under Windows 95/98, the Add New Hardware
automatically selects an appropriate address. To change the address,
refer to the Using DriverLINX with Your Hardware—Keithley
DAS-800 manual.
The base address switch block contains seven switches, labeled 1 through
7. Switch 1 corresponds to the most significant bit (MSB) of the base
address; switch 7 corresponds to the LSB of the base address. The
location of the base address switch block on the DAS-800 board is shown
in Figure 3-1 on page 3-2; the location of the base address switch block
on the DAS-801 and DAS-802 boards is shown in Figure 3-2 on page 3-3.
You place a switch in the ON position (logic 0) by sliding the switch
toward the top (numbered side) of the switch block. You place a switch in
the OFF position (logic 1) by sliding the switch toward the bottom
(unnumbered side) of the switch block.
Figure 3-3 illustrates the setting for a base address of 280H; switches 1
and 3 are in the OFF position and switches 2, 4, 5, 6, and 7 are in the
ON position.
Setup and Installation