PS2 v3. Gap? No-Gap? How do I recognize the difference

Hi Guys,

I wanna mod my v3 ps2. Only I dont know if I have a Gap, or no Gap. How can I tell the difference.

Hope to hear from u guys.

Greetz!

You check on the bios chip if it has GAP or NOT.

like

I I I I ------ I I I I
I I I I ------ I I I I
(this is gap)

and if its not gap its like

I I I I I I I I
I I I I I I I I

u c ?

here it is :