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© National Instruments Corporation
Table 2-2. Possible Base I/O Address Switch Settings (Continued)
Switch Setting
A9 A8
A7
A6 A5
1
0
0
1
0
0
1
0
1
1
0
1
1
0
1
1
0
1
1
1
0
1
1
0
1
1
0
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
2.
Locate the base I/O address switch at SW1 on your PC/104-GPIB.
Refer to the parts locator diagram, Figure 2-2.
3.
Change the switch settings to configure the PC/104-GPIB to the new
base I/O address.
Press down on the side marked 1 to select a binary value of 1 for the
corresponding address bit. Press down on the 0 side of the switch to
select a binary value of 0. Refer to Figure 2-3 for an example of the
switch settings and corresponding base I/O addresses.
Chapter 2
Hardware Configuration and Installation
Base I/O
Address (hex)
1
0
240
1
1
260
0
0
280
0
1
2A0
1
0
2C0
1
1
2E0
0
0
300
0
1
320
1
0
340
1
1
360
0
0
380
0
1
3A0
1
0
3C0
1
1
3E0
2-7
I/O Address Space
Used (hex)
240 to 25F
260 to 27F
280 to 29F
2A0 to 2BF
2C0 to 2DF
2E0 to 2FF
300 to 31F
320 to 33F
340 to 35F
360 to 37F
380 to 39F
3A0 to 3BF
3C0 to 3DF
3E0 to 3FF
PC/104-GPIB for Windows NT
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