Hi guys,

 

I discovered we can easily know which PCB a memory has, just by looking at the module. No need to look under the heat sink.

My finding is this:

A1 has a resistor capacitor above the slot cut and other resistors near it.

A2 has only one resistor capacitor, a bit on the left from the slot cut and he is all alone there.

The image shows A1 on the left and A2 on the right.

My teammate GGI78 also checked his G.SKill kits and confirmed my idea.

 

Important: you have to look on the side with the label, where the chips are.

 

Please check your kits and confirm.

Edited January 30, 20196 yr by Bruno

mm donno man. look at my kits. both A1 but different bin. 

Exactly. The Resistor capacitor is right above the slot cut. And there are some other resistors capacitors near it, even if only 1 or 2. On A2, the resistor capacitor is a bit on the left from the slot cut (not above it), and there are no other resistors capacitors until the ones under the chips.

Edited January 30, 20196 yr by Bruno

I just got this from Facebook. It confirms my theory.

(Source: https://www.facebook.com/masataka.nishino.77?__tn__=%2CdC-R-R&eid=ARCfQnlT8GaiVNVw28F8YxvZclNPQ070sLzSeYjBhUtb7T0Ci7GpAE57rV7kn6N6k5z6ng4MG-Y-SWMl&hc_ref=ARR6Cw2HRJaYE2Ep9SBI0Ubus60zkC8YiEhfxalTwvs9yO_ZtaqLPch5MZKiMIslxuc&fref=nf )

 

there since capacitors, not resistors,but find is interesting

oh, ok.  Capacitors, not resistors.

thx for info.

Edited January 30, 20196 yr by Bruno

Just a PSA, For those who think they can just look at retail photos to see if the sticks they are buying are a1 or a2 DO NOT trust it. Some retail photos are not what actually ships to the customer. So again, do not base your purchase off of retail photos, best thing you can do is google the model number of sticks you plan to buy and find customer photos of the kit to see where the capacitors are. 

 

Also, i cant confirm or deny this capacitor theory, but my a1 sticks definetly have the capacitor above the notch and my 1 kit of a2 do not. So it would appear to be a plausible theory. 

3 hours ago, Johnd0e said:

Just a PSA, For those who think they can just look at retail photos to see if the sticks they are buying are a1 or a2 DO NOT trust it. Some retail photos are not what actually ships to the customer. So again, do not base your purchase off of retail photos, best thing you can do is google the model number of sticks you plan to buy and find customer photos of the kit to see where the capacitors are. 

 

Also, i cant confirm or deny this capacitor theory, but my a1 sticks definetly have the capacitor above the notch and my 1 kit of a2 do not. So it would appear to be a plausible theory. 

JohnDoe, wow great to see you here ! Just yesterday I found a folder on usb drive about similar situation with your name on it. Good times

Excuse my ignorance but doesn't Thaiphoon Burner identify which PCB revision the vendor used?

Not all vendors program the PCB version into the SPD. I know for a fact that Corsair doesn't IDK about others.

On 4/16/2019 at 11:38 PM, buildzoid said:

Not all vendors program the PCB version into the SPD. I know for a fact that Corsair doesn't IDK about others.

I hadn't seen one without so good to know ? Thanks, BZ.

https://wccftech.com/samsung-b-die-memory-production-ceased-replaced-by-samsung-a-die/

Thanks, my best kit seems to be A1. Aug 2016 kit (3600 C15). 

Running 4266 C12-11-11 at just a bit more then 2v. 

@Sparks.nl Do you have any pics/screens of the kit?

This is the defective dimm. Other 3 are still good (kit of 4). 

Died with slot 1 of my m ocf.

Edited July 18, 20195 yr by Sparks.nl

Edited July 19, 20195 yr by GtiJason

Typhoon Burner confirms Samsung B die A1 type. 

@Sparks.nl Is the issue with the stick on the IC or the PCB?

The defective one? My m ocf memory slot 1 had problems before, now it finally went up in smoke and took the dimm with it. 

I don’t know what is causing it, but with this dimm in any slot I don’t get a post. It should do 4200 c12-11+

Edited July 19, 20195 yr by Sparks.nl

could some one help me source a capacitor for my bdie kit didnt notice it was broken off when i bought this kit off ebay until i decided to take my heat spreaders off

i get a resistance of 40ohms measured one way and 150 ohms measured the other way but i dont got a cap tester sooo   F for respects to this kit

well decided to find a kit that has the same pcb layout and ripped a cap off of some 2666 2x4gb and now im doing even tighter sub timings with less voltage on the dimms