Chapter 2 Configuration and Installation
VXI-MIO Series User Manual 2-6
National Instruments Corporation
accessible with the cover on. To access the SIMM sockets, perform the
following steps:
1. Remove the four screws on the top, the four screws on the bottom,
and the three screws on the right-side cover of the metal enclosure.
2. If the SIMMs are 4 MB x 32 bit or larger, set S3 as shown in
Figure 2-4a.
3. For SIMMs smaller than 4 MB x 32 bit, set S3 as shown in
Figure 2-4b.
Figure 2-4.
SIMM Size Configuration
Refer to Table 2-1 to properly adjust the switch (ON or OFF) for all
supported DRAM configurations. Many of the DRAM options are
available from National Instruments.
Table 2-1.
VXI-MIO Series DRAM Configuration
Bank 0 Bank 1 Total
DRAM National
Instruments Option Switch Setting
of S3
— 0 —
256 KB x 32 bit or
256 KB x 36 bit 1 MB ON
256 KB x 32 bit or
256 KB x 36 bit 256 KB x 32 bit or
256 KB x 36 bit 2 MB ON
512 KB x 32 bit or
512 KB x 36 bit 2 MB ON
512 KB x 32 bit or
512 KB x 36 bit 512 KB x 32 bit or
512 KB x 36 bit 4 MB ON
SIMM Size
(Factory Default) SIMM Size
(Factory Default)
S3 S3
a. 4 MB X 32 bit or larger b. Smaller than 4 MB X 32 bit