Grounds on microSD card

I’m a bit confused about missing GND2 on microSD card pin defintion. SD card has Pin 3 as GND/VSS and Pin6 as Gnd2/VSS. But microSD has only pin6 Gnd/Vss? :astonished:
http://www.chlazza.net/sdcardinfo.html

What's the confusion? SD cards have 2 ground pins, MicroSD only has 1.

[quote author=James C4S link=topic=153588.msg1152131#msg1152131 date=1363031257] What's the confusion? SD cards have 2 ground pins, MicroSD only has 1. [/quote] Well I didn't know that :) Thanks!