RAID 0 with Promise controller, couldn't add SATA drive

Hai,
I just configure my PC with RAID 0 ( 2 SATA ) with promise controller;
which working fine now with windows XP. I also have 2 other SATA Drive
I would like to add to the mobo. I put the the additional SATA drive
to SATA 1 and SATA 2 Connector. But neither the BIOS and Windows
seeing the Drive. what am I missing?

how many maximum SATA drive i can use?

perhaps youre missing a bios setting, ie enable?

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> Hai,
> I just configure my PC with RAID 0 ( 2 SATA ) with promise controller;
> which working fine now with windows XP. I also have 2 other SATA Drive
> I would like to add to the mobo. I put the the additional SATA drive
> to SATA 1 and SATA 2 Connector. But neither the BIOS and Windows
> seeing the Drive. what am I missing?
>
> how many maximum SATA drive i can use?
>