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MaxPac Dual/Triple-Screen 8230 XRA2/3-Series User Operation and Maintenance Guide
Memory
Note:
Due to the fact that high-end computer systems can experience a host of memory compatibility
issues and problems, you should only use replacement and/or additional memory sticks supplied by
MaxVision.
Note:
The MaxPac 8230 uses a Fully Buffered DDR2 memory (FB-DIMM or FBD). Specifically the
MaxPac 8230 uses FBD DDR2 667MHz. The difference between FBD and regular DDR2 is a chip on
each module called the AMB (Advanced Memory Buffer), which buffers all data/address/command
requests to the DRAM devices. This buffering allows up to 12 GB of memory to be installed in the
MaxPac 8230. FB-DIMMs
mandate
that memory sticks be used in pairs, with each pair having the
same size/capacity/speed. The first pair of FBD memory sticks occupies the first and third DIMM slots
(labeled DIMM1A and DIMM2A on the motherboard); the second pair of FBD memory sticks occupies
the second and fourth DIMM slots (labeled DIMM1B and DIMM2B on the motherboard).
Note:
In the event that you begin to experience problems with the memory that is already resident
in your MaxPac, you must first determine which stick has failed under the direction of MaxVision
support.
Note:
The BIOS will always report the true amount of physical memory that is present in the system.
This may be as much as 12 GB. However, the actual amount of memory that can be seen by the
system is determined by the main operating system (OS). With regard to the 32-bit Windows® XP
Professional operating system, for example, in the case of a MaxPac 8230 XRA2 (dual-screen)
configuration, the maximum amount of memory reported in the
System Information
dialog is 3 GB;
by comparison, in the case of a MaxPac 8230 XRA3 (triple-screen) configuration, the maximum
amount of memory reported in the system information dialog is 2 GB. (Further note that – even when
the OS reports 3 GB for the dual-screen configuration – the maximum amount of shared user space
is actually only 2 GB.) by comparison, in the case of the 64-bit Windows XP Professional x64 Edition
of the operating system, the
System Information
dialog will accurately report the true amount of
physical memory (which can theoretically be up to 128 GB) and all of this memory will be available to
applications running on the system.
1) Open the display assembly into its service position as discussed earlier in this chapter.
2) In order to remove and replace a memory stick, gently press down-and-out on the two plastic
“rabbit-ears” at either side of the stick which will cause it to pop out, and then remove the stick
from the system (Figure 3-34).
Figure 3-34
Figure 3-35
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