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I’ve used some simple methods to determine the parity and speed, and calculate the size of several SIMM sticks, but now I need to figure out if they are EDO.

Does anyone know of a way to determine whether a SIMM is EDO or not?

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In before knee-jerk "We don't answer questions about phones here!" reaction, hahaha :) – Shinrai Mar 8 '11 at 19:36
???​​​​​​​​​​​​ – Synetech Mar 8 '11 at 20:27
Bad joke about somebody seeing "SIMM" and assuming you mean "SIM card" because they're not old school enough to have any idea what a SIMM is. – Shinrai Mar 8 '11 at 20:49
Ah okay. I even tried Googling SIMM to see if there was a phone-related thing, but didn’t think of SIM. >.< – Synetech Mar 8 '11 at 20:56
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Usually they're labeled (since there were problems with mixing EDO and the older FPM stuff even though a lot of components were compatible with either/or), but I'm guessing these may be old enough that labels have gone missing. If you have the part numbers I'd recommend actually looking them up - I'm not aware of any way to query for this in software. You might try a tool like AIDA64 (formerly Everest) to query the exact model numbers and go from there. (EDIT: But again, if they're old enough, you may not even be able to get that.)

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(Windows software is out of the questions.) I already tried Googling, but one (HY85117800BJ-60 9820 on the chips, B7682A on the PCB) doesn’t have any info on whether it is EDO or FPM (or even the size for that matter; there’s a hand-made sticker that says 16MB). The other one only has ‘Panasonic’ stamped on the heat-spreader along with a sticker marked`EUXSX08TV07A 4903209G` and LPB0140 on the back of the PCB, which come up with nothing at all. Prying up the heat-spreader shows the chips are completely unmarked! – Synetech Mar 8 '11 at 20:19
There may be similar software for a DOS or UNIX environment (I'm assuming that even if you have a machine these run in it's fairly old) but I don't know what. My point is that's the sort of thing you'd need. You may be out of luck unless somebody comes along and knows some magic bit of code you can get to return a flag, sorry. :/ – Shinrai Mar 8 '11 at 20:48
But it is possible to get that info programmatically? If so, then I’ll give HWiNFO a shot. – Synetech Mar 8 '11 at 20:55
I'm not sure, hence heavy use of 'might'. I don't see how it'll hurt to try though! My hunch is that probably you can't. :/ – Shinrai Mar 8 '11 at 20:57
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