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mobo VIA EPIA LN10000EG and 1GB RAM problem


jbash

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I've just acquired this mobo and it run fine.

 

I've also bought a RAM module Corsair VS1GB533D2 (1GB PC-4200 533MHz CL4) but it is recognized as a 512MB RAM module. By BIOS and by O.S. (Ubuntu 8.04)

 

Reading LN10000EG User Manual I found :

"Due to the hardware limitation, DDR2 SDRAM chips organized as 128Mb x 8 bank cannot be supported by EPIA products with CN700 and CX700M2 chipsets." (pag. 3)

Is VS1GB533D2 Corsair module organized with 128 Mb banks ?

I cannot found any technical specs about it .......

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Yes, this module is based on 128M x 64.

 

I've just acquired this mobo and it run fine.

 

I've also bought a RAM module Corsair VS1GB533D2 (1GB PC-4200 533MHz CL4) but it is recognized as a 512MB RAM module. By BIOS and by O.S. (Ubuntu 8.04)

 

Reading LN10000EG User Manual I found :

"Due to the hardware limitation, DDR2 SDRAM chips organized as 128Mb x 8 bank cannot be supported by EPIA products with CN700 and CX700M2 chipsets." (pag. 3)

Is VS1GB533D2 Corsair module organized with 128 Mb banks ?

I cannot found any technical specs about it .......

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Yes, this module is based on 128M x 64.

 

Mmhh.

I'm a bit confused :confused:

 

I've found another 1GB RAM module sold by a competitor.

It's detailed tech specs report:

"128M x 64 , the components on this module include sixteen 64M x 8-bit (16M x 8-bit x 4 Bank) DDR2-533 SDRAM"

Perhaps this module is compatible with LN10000EG because it's organized with 16 banks of '64Mb x 8' each.

LN10000EG User Manual report that are not compatible 1GB module organized with 8 banks of '128Mb x 8' each

 

I suppose that simple sentence "128M x 64" is not enough to describe the internal memory organization.

Have anyone more details ? I don't found in Corsair website any technical specifications ..... :[pouts::[pouts::[pouts:

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Mmhh.

I'm a bit confused :confused:

 

I've found another 1GB RAM module sold by a competitor.

It's detailed tech specs report:

"128M x 64 , the components on this module include sixteen 64M x 8-bit (16M x 8-bit x 4 Bank) DDR2-533 SDRAM"

Perhaps this module is compatible with LN10000EG because it's organized with 16 banks of '64Mb x 8' each.

LN10000EG User Manual report that are not compatible 1GB module organized with 8 banks of '128Mb x 8' each

 

I suppose that simple sentence "128M x 64" is not enough to describe the internal memory organization.

Have anyone more details ? I don't found in Corsair website any technical specifications ..... :[pouts::[pouts::[pouts:

 

In this case, the 128M means that eight 128MB density ICs were used to make the module. This module is seen by the chipset as a single sided module which presents the density issue to the chipset.

 

This spec you listed: 64M x 8-bit means that the module is electrically 2 sided and has eight 64MB ICs totalling 512MB x 2 to make a 1GB module.

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