Hynix Ram codes 9800 pro

[Miknow]

I have a 9800 pro but I have no idea what speeds the ddr is.

Hynix KOR

HY5DU283222A

F-28 417A

is it 2.2? I am trying to flash it but they have different bioses for speed.

 

[=ACID RAIN=]

http://www.hynix.com/products/dram/down/200401_GDDR.pdf