✔ 最佳答案
I think your ram should be a product from GoBeyond Ltd.
Your ram would properly be 256Mb PC2100 ECC Reg. DDR RAM (DDR266)
It comes with lifetime warranty, why don't you try to hand it in to the shop where you buy it?
I have just search it in the web, and found only 2nd-hand supply for this ram.
(BTW, your question would be better if you can provide the ram type and speed like DDR266, I am not sure whether your ram is really the above one.)