Hello, first of all, im newbie, i wanna ask to mod bios Sapphire RX 470 4GB ELPIDA

When i open in polaris bios editor, the strap is like this

VRAM:

there is 2 type :

EDW40...... (I browsing , Elpida start with E, right?, so i click this)
H5GC4........


then in the Timing(Mhz) & Value :

1:200   xx
1:400   xx
1:800   xx
1:1000 xx
1:1250 xx
1:1375 xx
1:1425 xx
1:1500 xx
1:1625 xx
1:1750 xx
1:2000 xx
2:400   xx
2:800   xx
2:900   xx
2:1000 xx
2:1125 xx
2:1250 xx
2:1375 xx
2:1425 xx
2:1500 xx
2:1625 xx
2:1750 xx
2:2000 xx


and i read , if i have Elpida rom, i must copy strap 1625 into 1750 and 2000

ok, now the question, which one i must copying the strap?
the 1:1625 into 1:1750 and 1:2000
Or
the 2:1625 into 1:1750 and 1:2000

?

Thanks for the help....