[geeks] Sun ethernet and crystal

[Mouse]

I have a Sun-branded PCI Ethernet which has a sticker saying, among
other things, P/N: 5132E-ST.  (Another sticker says "PCI 10/100".)

The reason I'm writing is that, when I extracted it from the antistatic
bag I had it stored in, a stray part also fell out.  On inspection, it
appears it was somehow knocked free from this card.  It looks to me
like a crystal.

It looks like a 4-pin DIP package, about the size you'd get by taking a
normal 14-pin through-hole DIP and cutting off four pins on one end,
then removing all pins except what would on that hypothetical 14-pin
package be pins 2, 4, 11, and 13 (assuming the part you cut off carries
pins 6, 7, 8, and 9).  All four pins are folded under the package to
make it surface-mount.

The card has an outline labeled Y2 in one corner; it has pads which
match the chip both in that the chip's pin positions match the pads and
in that the pads have solder which appears to have had its part
forcibly removed - and the chip pins match the hollows in the solder
very well.

Trouble is, the pinout has 180-degree rotational symmetry, which makes
it difficult to know which way around to solder it back.  The pins fit
the hollows in the solder slightly better one way than the other, but
not well enough to convince me that way is right.

I'm wondering if anyone has such a card and can tell me which way
around crystal Y2 goes.  Alternatively, if people can tell me enough
about the card and the crystal for me to figure out which way is right.

The package is marked

	SG-615PTJC
	  50.0000M
	E    8372B

Searching for the first line, I found an image on mercadolivre.com.br
for a part which looks very similar except for the frequency (32.0000M)
and datecode (9422).  But I haven't found anything there which looks to
my non-Portugese-reading eyes like a datasheet link or manufacturer
name.

I'm not sure how to further identify the card.  If someone wants, I
could snap pictures and make them available.

Any thoughts?

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