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Old 09-08-2009, 06:29 PM   #1
mikeyd1985
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ram


I'm buying more ram for my computer and was wondering how I get all the info on my current ram. I use the lshw command and this is what I get:

*-bank:0
description: DIMM DRAM Synchronous
physical id: 0
slot: S1
size: 512MiB
width: 32 bits

but I want to find out if it's DDR or DDR2, and if possible the spd without having to open the computer. Any suggestions?
 
Old 09-08-2009, 06:48 PM   #2
lazlow
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There should be a little more information there:

Quote:
*-bank:0
description: DIMM 400 MHz (2.5 ns)
product: None
vendor: None
physical id: 0
serial: None
slot: A0
size: 1GiB
width: 64 bits
clock: 400MHz (2.5ns)
The clock speed will do a lot to narrow down your choices.
 
Old 09-08-2009, 07:08 PM   #3
hurry_hui
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Do you mean like these?

Code:
Handle 0x000B, DMI type 17, 27 bytes
Memory Device
        Array Handle: 0x000A
        Error Information Handle: No Error
        Total Width: 64 bits
        Data Width: 64 bits
        Size: 512 MB
        Form Factor: SODIMM
        Set: None
        Locator: DIMM #1
        Bank Locator: Not Specified
        Type: DDR2
        Type Detail: Synchronous
        Speed: 667 MHz (1.5 ns)
        Manufacturer: AD00000000000000
        Serial Number: 00007239
        Asset Tag: Not Specified
        Part Number: HYMP564S64CP6-Y5
try:

#dmidecode
 
Old 09-08-2009, 08:34 PM   #4
mikeyd1985
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thanks for your replies.

lazlow- i did lshw again and that is still the only info it will give me. I have to access the bios in order to get the speed.


hurry_hui- the dmidecode command gave me the extra info i wanted.

Handle 0x001F, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x001E
Error Information Handle: No Error
Total Width: 32 bits
Data Width: 32 bits
Size: 512 MB
Form Factor: DIMM
Set: 1
Locator: S1
Bank Locator: Bank 1
Type: DRAM
Type Detail: Synchronous
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified

it's weird that it says the speed is unknown. when i go into the bios it says the memory bus speed is 667Mhz. from what i just read about the dmidecode is it gets it's info from the bios. Is the "speed", "clock" and "memory bus speed" the same thing?
 
Old 09-08-2009, 08:43 PM   #5
lazlow
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DDR tops out at 500, so my bet is that you are looking at DDR2.
 
Old 09-08-2009, 09:15 PM   #6
mikeyd1985
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I looked at it again and I must've misread. It doesn't tell me if it's ddr or ddr2. what the heck, why doesn't it work for me lol. thank you lazlow.
 
  


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