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ADIO1600 Manual
Setting the Base Address
The ADIO1600 base address is selected by DIP switch S1 located in the lower center portion of the
card directly adjacent to the I/O connector. Switch S1 controls address bits A5 through A9. (Bits
A0 through A4 are used for the 20 address locations in I/O space required by the ADIO1600.) The
following procedure will show you how to set the base address. See FIGURE 3-4: BASE AD-
DRESS EXAMPLE for a graphic representation of this example.
1) Use base address 300 hex as an example. Determine the binary representation for your base
address. In our example, 300, the binary representation is 11 0000 0000. The conversion
multipliers for each binary bit are contained in FIGURE 3-4 for reference.
2) Locate switch S1 on the lower center of the card, next to the AT Bus connector. Note that there
are 5 switches, which will be used to set the first five bits in the binary representation from step
1. The last digit is always zero and therefore does need not be set.
3) Note from FIGURE 3-4 that switch position A9 corresponds to the most significant bit in your
binary representation. For each bit in your binary representation, if the bit is a one, turn
the corresponding switch off; if the bit is zero, turn the corresponding switch on.
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Using the Setup Program to Set the Base Address
The setup program provided on the diskette with the ADIO1600 contains an interactive menu-
driven program to assist you in setting the base address. The following procedure demonstrates the
use of the setup program.
1) Select an initial desired base address.
2) Run the setup program by typing A1216EST and pressing the ENTER key.
3) Select the first item in the menu, Set board address, with the arrow key and press ENTER.
4) The setup program will use the FIND BASE utility program to build a list of addresses available
in your computer for the ADIO1600. You may press the arrow keys to choose a different
address from the list, or type your desired address using the numeric entry keys. You may wish
to enter your own address if the ADIO1600 is already in your system and you are preparing to
perform a calibration or diagnostic test. Once an address is selected, a graphic display will
illustrate the proper setting of the on board switches.
5) Set DIP switch S1 as shown on the graphic representation.
Page 3-6
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Table: 3-5: Base Address Example
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Manual Number: 00650-004-5
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