How can I figure out the latency of my Micron Ram? What does the Part # represent?

[ShortDahRi]

I was wondering what the part # on the Micron Chips on my Ram represent? I know that they tell you the latency, size, and etc. But i don't know what is what. Can someone help? Thanks.

[Roy]

The part number on an individual chip is no more than exactly that ~ a part number.

You can go to Micron (http://www.micron.com) and search on that number for more information.

Another way would have been to include the part number and any other information you have in your post so someone else could help decipher it. http://sysopt.earthweb.com/forum/wink.gif

[Buji]

<A http://www.micron.com/products/dram/sdram/sdramtn.html http://images.micron.com/pdf/datasheets/ZT04.pdf
Technical Note TN-48-04
Got to figure this editing stuff out. http://sysopt.earthweb.com/forum/smile.gif
[This message has been edited by Buji (edited 01-04-2001).]

[This message has been edited by Buji (edited 01-04-2001).]

[This message has been edited by Buji (edited 01-04-2001).]

[Roy]

Buji ~ a bug has crept into the UBB system, URLs didn't used to get messed up like they now do.

BTW, I've learned to delete the "Edited By" line each time I edit. UBB provides a new one.

[This message has been edited by Roy (edited 01-04-2001).]

[Buji]

Wish they'd bring back the "Todays Active" shortcut. http://sysopt.earthweb.com/forum/smile.gif

[ShortDahRi]

Hey Buji,

Thanks for the info but that information is for PC100 Ram. I've got two sticks of 128MB PC133 Micron Ram and I have no idea what latency it is. Anybody got any other sources or somewhere i could find out? Thanks again.

[Buji]

Here's what Sandra says: · PC133+ H/E/VC/SDRAM IBM/VIA/Micron/NEC Specification - Version 2.0:

PCxm-abc-dde (e.g. PC133U-222-452, PC133R-333-542)
x - Speed rating (MHz). Memory bus speed should be equal/lower.
m - Module Type (R = Registered, U = Unbuffered, B = Buffered).
a - CAS latency (CL cycles). Lower the better (faster), but more expensive.

b - RAS to CAS delay (tRCD cycles). Lower the better.
c - Row precharge (tRP cycles). Lower the better.
dd - Read data access time (tAC ns). 54 corresponds to 5.4ns. Lower the better.
e - SPD chip revision. 2 corresponds to SPD 2.0.

SiSoft Sandra Help File

[doctj]

Where can I get this info? is it in the standard ver of SANDRA

[Roy]

Hasn't anyone read what I said in my first post above???

BTW ~ Sandra 2001 MISREPORTS my memory specs. I don't trust it for this.

[codybear]

http://www.micron.com/products/dram/sdram/sdram128feat.html

[This message has been edited by codybear (edited 01-05-2001).]

[codybear]

http://www.micron.com/products/datasheets/sdramds.html

click on the data sheet for the pdf file for your size

75 will be cas 3 and 7 will be cas 2

[codybear]

and as Roy said..never trust Sandra..never..it is good for comparision only and can never be trusted for any actual ratings..sorry for the mant posts but if I edit I lose my link

[codybear]

and as Roy said..never trust Sandra..never..it is good for comparision only and can never be trusted for any actual ratings..sorry for the many posts but if I edit I lose my link