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Need info on these chips

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uberwoot

Member
Joined
Nov 11, 2007
Off some old DDR2 ram i got laying here.

Hynix
H5PS1G83EFR

Anyone know what the max speed these are rated for as well as voltage?
 

MattNo5ss

5up3r m0d3r4t0r
Joined
Aug 11, 2008
I found that they run at 1.8v and there are DDR2-400, DDR2-533, DDR2-667, and DDR2-800 modules.

Any other numbers/letters on the modules?

I'm looking through this for info.
 
Last edited:
OP
uberwoot

uberwoot

Member
Joined
Nov 11, 2007
Sticks are HMP1256UEFR8C 2gig sticks. Think i could run these at 1.9volts and get them to 1000mhz?
 

MattNo5ss

5up3r m0d3r4t0r
Joined
Aug 11, 2008
2GB sticks? The number you posted previously, H5PS1G83EFR, references 1GB sticks, in a configuration of 8x128MB chips, based on the manual from the Hynix website.

I'm assuming you don't get a SPD table from CPU-Z with these sticks?

You can try loose timings and higher volts, maybe they'll get you to 1000MHz, won't know 'til you try.
 
OP
uberwoot

uberwoot

Member
Joined
Nov 11, 2007
Yeah just tested them their 2 gig sticks

6.0 CL
6 tRCD
6 tRP
18 tRAS
24 tRC
2T CR
 

MattNo5ss

5up3r m0d3r4t0r
Joined
Aug 11, 2008
I can't find anything on Hynix about "HMP1256UEFR8C," looks to like you're goin to just have to test and see how far they go. At least you got a SPD table now, did it give MHz or voltage?
 
OP
uberwoot

uberwoot

Member
Joined
Nov 11, 2007
DDR2 800mhz. im gonna bump the volts to 1.9 and see what that gets me.