AMD GA-7ZXR - Manual (Page 29)

Panel and Jumper Definition
22
JP19 : Onboard Promise Selection (Optional)
Pin No. Definition
1-2 close IDE Raid disabled
(Promise chipset disabled)
2-3 close IDE Raid enabled(Default)
(Promise chipset enabled)
1
JP20 : Raid/ATA100 Selection (Optional)
Pin No. Definition
1-2 close Raid Function
2-3 close ATA 100 Function
(Default)
1
(If you want to use "Raid Function”, your IDE3
or IDE4 must be connected with Hard Driver.