Here are the specs for your Compaq Presario S5000NX Desktop Computer. According to the specs of its P4G533 (Echo) motherboard, this model supports IDE UDMA Modes ATA-66/100. Yes the BIOS/motherboard are compable to using an "Ultra ATA/100 drive". An Ultra ATA/100 drive will transfer data at a slower rate when using a 40-wire IDE ribbon cable and will transfer data at the higher rate when using an 80-wire ribbon cable. The BIOS may or may not recognized the full size of the drive.
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