Please modify BIOS on the PC motherboard Dell OptiPlex GX520 Dell, Phoenix BIOS - version A11. Purchased with OS XP Professional. I used the following modification of BIOS: ulozto.cz/xHb1qJUK/dell-optiplex-gx520-gx620-ssv2-rar But there is a problem, attach a photo Slic Toolkit ulozto.cz/xAs8Ek9F/imag0012-jpg Thank you in advance for your help.