TYAN Thunder K8W S2885 User Manual page 21

This chart outlines the rules for populating memory
DIMM Slot
CPU0/DIMM A1
(Lower 64-bit)
CPU0/DIMM A2
(Upper 64-bit)
CPU0/DIMMB1
(Lower 64-bit)
CPU0/DIMM B2
(Upper 64-bit)
CPU1/DIMM A1
(Lower 64-bit)
CPU1/DIMM A2
(Upper 64-bit)
CPU1/DIMMB1
(Lower 64-bit)
CPU1/DIMMB2
(Upper 64-bit)
Populate both lower and upper 64-bit DIMM slots for 128-bit support
Memory Installation Procedure
When you install the memory modules, make sure the module aligns
properly with the memory slot. The modules are keyed to ensure that it is
inserted only one way. The method of installing memory modules are
detailed by the following diagrams.
DDR DIMM Slot 2.5V (TOP VIEW)
(Note: X indicates a populated DIMM Slot)
64-Bit Support
(non-interleaved)
X X X X X X X
X X X
X X X X
X X X X
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128Bit support
(Interleaved)
X X
X X
X X X X X X
X X X
X
X X X X X X
X X X X X
X X X
X
X
X X
X X X
X X X X
X X X X