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Adding ram – National Instruments 800 Series User Manual

Page 44

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Appendix A

Specifications

© National Instruments Corporation

A-5

VXIpc 800 Series User Manual

Adding RAM

To add RAM to the VXIpc 800, remove the top cover and add SIMM
modules to the empty SIMM sockets.

National Instruments recommends the following types of SIMMs for
use with the VXIpc-850 Series controller (Fast Page Mode):

8 MB:

2 MB x 36 SIMMs — 70 ns

16 MB:

4 MB x 36 SIMMs — 70 ns

32 MB:

8 MB x 36 SIMMs — 70 ns

The VXIpc-860 can use Fast Page Mode (FPM), Extended Data Out
(EDO), or Bursts Extended Data Out (BEDO). National Instruments
recommends the following types of SIMMs for use with the
VXIpc-860:

8 MB:

2 MB x 32/36 SIMMs — 60 or 70 ns

16 MB:

4 MB x 32/36 SIMMs — 60 or 70 ns

32 MB:

8 MB x 32/36 SIMMs — 60 or 70 ns

64 MB:

16 MB x 32/36 SIMMs — 60 or 70 ns

The height of SIMMs used with VXIpc 800 Series controllers should be
0.85 in. or less. Contact National Instruments for recommendations on
specific manufacturers.

Note:

The VXIpc-800 must be populated with pairs of SIMMs because the DRAM
interface is 64 bits wide.