Linux – Is there any way to identify the speed of your memory through software

Is there any way to identify the speed of your memory through software? I am on Fedora 9 and looking to find out the speed of the DIMM's I have in there currently.

I have tried a 'lshw' but it doesnt display the speed. I know the motherboard supports 3 different speeds, but I dont know whats in there and dont want to turn off the box.

Any ideas?

Thanks,

EDIT: I have found the ram to be '30 ns' according to dmidecode. How can it be 33 MHz if the board only supports 400, 533, 667 Mhz RAM?

EDIT 2: Are there any other tools to do this?

EDIT 3: I actually surrendered and ended up powering down for a few minutes and opening up the case. It turned out to be 667 MhZ – this model: http://www.directron.com/rm12864aa667.html. Despite not being able to actually figure out it was 667 through software, I have marked HD's answer as the correct one as that seems to be the best tool for the job.

Here is the output of demidecode –type memory

# dmidecode 2.7
SMBIOS 2.4 present.

Handle 0x0008, DMI type 5, 20 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: 1024 MB
    Maximum Total Memory Size: 2048 MB
    Supported Speeds:
        70 ns
        60 ns
        50 ns
    Supported Memory Types:
        DIMM
        SDRAM
    Memory Module Voltage: 3.3 V
    Associated Memory Slots: 2
        0x0009
        0x000A
    Enabled Error Correcting Capabilities:
        None

Handle 0x0009, DMI type 6, 12 bytes.
Memory Module Information
    Socket Designation: DIMM0
    Bank Connections: 9 11
    Current Speed: 30 ns
    Type: Unknown FPM Parity SDRAM
    Installed Size: 1024 MB (Single-bank Connection)
    Enabled Size: 1024 MB (Single-bank Connection)
    Error Status: OK

Handle 0x000A, DMI type 6, 12 bytes.
Memory Module Information
    Socket Designation: DIMM1
    Bank Connections: 9 11
    Current Speed: 30 ns
    Type: Unknown FPM Parity SDRAM
    Installed Size: 1024 MB (Single-bank Connection)
    Enabled Size: 1024 MB (Single-bank Connection)
    Error Status: OK

Handle 0x002F, DMI type 16, 15 bytes.
Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 4 GB
    Error Information Handle: Not Provided
    Number Of Devices: 2

Handle 0x0031, DMI type 17, 27 bytes.
Memory Device
    Array Handle: 0x002F
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM0
    Bank Locator: BANK0
    Type: SDRAM
    Type Detail: Synchronous
    Speed: Unknown
    Manufacturer: Manufacturer0
    Serial Number: SerNum0
    Asset Tag: AssetTagNum0
    Part Number: PartNum0

Handle 0x0033, DMI type 17, 27 bytes.
Memory Device
    Array Handle: 0x002F
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM1
    Bank Locator: BANK1
    Type: SDRAM
    Type Detail: Synchronous
    Speed: Unknown
    Manufacturer: Manufacturer1
    Serial Number: SerNum1
    Asset Tag: AssetTagNum1
    Part Number: PartNum1