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Question (Q&A-101|333): Why can't the system detect my HDDs when I'm installing Windows XP?(1/1/2013)
Answer:There are various possibilities that cause this issue, please refer to the following suggestions to check your system.
1. Please make sure your HDDs' SATA power cable and SATA cable are connected with the motherboard.
2. Enter the BIOS setup screen, scroll to the advanced page and enter Storage Configuration, set SATA mode to [IDE].
If you want to install Windows XP under [AHCI] mode, due to Windows XP requirements, you'll need to pre-install the SATA driver first, please refer to the following FAQ for further details.
Link: https://www.asrock.com/support/qa/TSDQA-45.pdf
3. If you have already tried the suggestions above, please change your SATA cables or SATA ports for verification.