On Sat, 02 Jan 2010 14:56:43 -0300, Daniel Bareiro wrote:
> I have the following doubt on the basis of the maximum amount of
> supported ram memory. dmidecode shows the following thing:
>
> ---------------------------------------------------------------------
> Handle 0x0002, DMI type 2, 8 bytes
> Base Board Information
> Manufacturer: ASUSTeK Computer INC.
> Product Name: M2N32-SLI DELUXE
> Version: 1.XX
> Serial Number: 123456789000
> [...]
> Handle 0x0006, DMI type 5, 24 bytes
> Memory Controller Information
> Error Detecting Method: 64-bit ECC
> Error Correcting Capabilities:
> None
> Supported Interleave: One-way Interleave Current Interleave:
> One-way Interleave Maximum Memory Module Size: 4096 MB
> <------------ Maximum Total Memory Size: 16384 MB
> <------------ Supported Speeds:
> 70 ns
> 60 ns
> 50 ns
> Supported Memory Types:
> Standard
> SDRAM
> Memory Module Voltage: 2.9 V
> Associated Memory Slots: 4
> 0x0007
> 0x0008
> 0x0009
> 0x000A
> Enabled Error Correcting Capabilities: None
> ---------------------------------------------------------------------
>
> Then I understand that the maximum would be of 16 GB with DIMMs of up to
> 4 GB by bank. But in the ASUS site it says that the maximum is of 8 GB
> and in the manual also it says 8 GB. Can the information of dmidecode be
> incorrect?
Yes, it can be wrong.
BTW, I get *right* values in one computer (board supports up to 8GB.):
***
stt008:~# dmidecode -t memory
# dmidecode 2.9
SMBIOS 2.5 present.
Handle 0x0012, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 8 GB
Error Information Handle: Not Provided
Number Of Devices: 4
***
And *wrong* values in another one (board supports up to 8GB.):
***
stt005:~# dmidecode -t memory
# dmidecode 2.9
SMBIOS 2.3 present.
Handle 0x0005, DMI type 5, 24 bytes
Memory Controller Information
Error Detecting Method: 8-bit Parity
Error Correcting Capabilities:
None
Supported Interleave: One-way Interleave
Current Interleave: One-way Interleave
Maximum Memory Module Size: 1024 MB
Maximum Total Memory Size: 4096 MB
Supported Speeds:
Other
Supported Memory Types:
Other
Memory Module Voltage: 5.0 V
Associated Memory Slots: 4
0x0006
0x0007
0x0008
0x0009
Enabled Error Correcting Capabilities:
None
***
So do not care so much about it :-).
Maybe older SMBIOS versions just display wrong or incorrect data. Just
trust the manufacturer's specs.
Greetings,
--
Camaleón
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