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Processor - E3845.
Can I install 4 packages 8Gb(bit org x16) memory chip on each, for a total volume of 4GB?
I know that the list of supported x16 devices, is 2Gb chips only(atom-e3800-family-datasheet.pdf Revision 4.1). But there are many examples where PC on board(Q7 formfactor) set 4Gb(x16) memory chips. Maybe it is possible to install 8Gb x16(MT41K512M16HA)?
I think it is quite realistic given the number of bits in the address bus A[15:0].
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Hello, l00king :
Thank you for contacting Intel Embedded Community.
The information that may help you is stated on page 8 of the https://edc.intel.com/Link.aspx?id=7002 Intel(R) Atom(TM) Processor E3800 Product Family Platform: Design-In Guide document # 513067.
We hope that this information is useful to you.
Best regards,
Carlos_A.
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Carlos_A, thanks for the answer. But I was hoping to see confirmation of the possibility of installing 8Gbit of memory chips. But I have not seen confirmation.
There are board called MinnowBoard(E3825) produced by a department of INTEL, there are 4 memory chip installed. 2 chips on top and 2 on bottom. In the description of the board says that the total memory capacity can be 1GByte, 2GByte or 4 GByte. http://wiki.minnowboard.org/MinnowBoard_MAX MinnowBoard MAX - MinnowBoard Wiki This means that the capacity 8Gbit(each)x16 chips can be used.
But in datasheet on the processor E38xx says that memory with 16bit data width can only be 2Gbit density.
I do not know whether, is it possible to use 8 Gbit(x16) chips, in 4 packages, for a total volume of 4 GByte.
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Hello, l00king :
Thanks for your update.
The information that may help you is the following:
This information is stated on page 283 of the http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/atom-e3800-family-datasheet.pdf Intel® Atom™ Processor E3800 Product Family Datasheet [July 2016, Revision 4.1] document # 538136.
We hope that this information may help you.
Best regards,
Carlos_A.
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Thanx for answer. But this information about SO-DIMM modules.
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Hello, l00king :
Thanks for your reply.
The information that may help you is stated in section 5.1.5, on pages 95 and 96 of the https://edc.intel.com/Link.aspx?id=7001 Intel® Atom™ Processor E3800 Product Family Platform Design Guide (PDG) document # 512379.
We hope that this information is useful to you.
Best regards,
Carlos_A.
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@l00king
why the MT41k256M16HA data bus and the DDR module data bus of the cpu isn't the One to one correspondence( swap circuit in the picture )? Is it for the layout?
We can change the ddr data bus sequence in the bios?
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