UDMA/66

[bwagerer]

Does anyone know what the max hard drive size is for UDMA/66?

 

[DOOM]

ATA66 is a data rate specification. In other words, it doesn't matter whether you have ATA33/66/100. What matters is:

* Motherboard make/model
* BIOS (AMI, Phoenix, etc.) and BIOS version
* File system (NTFS, FAT16, FAT32, etc.)
* O/S

-DOOM
__________

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[sjonnie]

Hmm, what matters is whether your BIOS uses 28 bit LBA addressing or 48 bit. With 28 bit addressing the drive size limit is 137.4Gb. Older motherboards commonly used 28bit LBA addressing so that limit will apply. However, the motherboard manufacturer may have a BIOS update that supports 48 bit addressing so it's worth checking on the support website. If nothing is mentioned about upgrading the BIOS for >137Gb support or 48 bit addressing and you have an ATA66 interface on the motherboard it is safe to assume you are going to be limited to 137Gb.

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