Seagate Desktop HDD Barracuda 7200.9 80, Ultra ATA/100 80GB Ultra-ATA/100 internal hard drive

Barracuda 7200.9 80, Ultra ATA/100 On drives greater than 33.8GB, Limit Capacity jumper changes total available sectors as reported via Identify Drive data words 60-61 to 33.8GB to solve issues with certain BIOS during power on. The ATA Read Native Max command will report true full capacity. The ATA Set Max command will restore true full capacity to the operating system drivers. Third party partitioning software may be needed to achieve full capacity when using this option jumper.

Windows XP Service Pack 1 and Windows 2000 Service Pack 3 with 48-bit LBA Address drivers are required for native support of ATA (IDE) disc drives greater than 137GB.
Windows 98, Windows Millennium and Windows NT 4.x all have 137GB native limitations supporting ATA (IDE) disc drives. Third-party device drivers may be available from motherboard or host adapter manufacturers for these legacy Windows operating systems.

Windows 95 FAT16 based operating systems are also limited to 8.4GB.

DOS 16-bit FAT file system cannot access more than 2.147 Gbytes per
partition.

Already low-level formatted at the factory.