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Chapter 1: Product introduction
1.7 System memory
1.7.1 DIMM sockets location
The following figure illustrates the location of the DDR DIMM sockets.
1.7.2 Memory configurations
You may install 64MB, 128MB, 256MB, 512MB, and 1GB DDR DIMMs into the
DIMM sockets using the memory configurations in this section.
Important notes
• It is recommended to use the blue DIMM slots first.
• Make sure to unplug the power supply before adding or removing DIMMs or
other system components. Failure to do so may cause severe damage to
both the motherboard and the components.
• When installing long AGP cards, it is recommended to install the memory
modules first. Long AGP cards, when installed, may interfere with the
memory sockets.
A7V880
®
A7V880 184-Pin DDR DIMM Sockets
80 Pins 104 Pins
DIMM_A1
DIMM_A2
DIMM_B1
DIMM_B2
• Installing DDR DIMMs other than the recommended configurations may
cause memory sizing error or system boot failure. Use any of the
recommended DIMM configurations in Table 1.
• In Dual-channel configurations, install only identical (the same type and
size) DDR DIMM pairs for each channel.
• Use the blue DIMM slots first.
• Stacked RAM and DDR DIMM modules with more than 18 chips are not
supported.
• Always install DIMMs with the same CAS Latency. For optimum
compatibility, obtain memory modules from the same vendors. See
Qualified Vendors List on page 1-11.