DDR/DDR2 HP compiler - multiple devices

Hello,

my understanding is, that multiple devices are configured by parameter memory chip selects in conjunction with chip selects per dimm. The Altmemphy manual (also referred by HP Controller manual regarding memory configuration details) explains the meaning of the said parameter:

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Memory chip selects 1, 2, 4, or 8

The number of chip selects in your memory interface. This is the depth of your memory in terms of number of chips.

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As an example, when using two 1 GB Mobile SODIMM modules, I would configure Memory chip selects = 4 and Chip selects per DIMM = 2. This implies, that all memory signals except the said chip selects and clock signals would be tied together als usual.

Regards,

Frank