Did drivers delay the Athlon 64?

— 1:42 AM on February 26, 2003

This article over at The Inquirer suggests that part of the reason for the Athlon 64's delay is the lack of a 64-bit version of Windows, which itself may be delayed by a lack of 64-bit drivers.

Win64 won't work with 32bit drivers. That means every single driver out there needs to be reworked and recompiled for x86-64. That's not going to happen until every single manufacturer has had a chance to update its drivers. Microsoft isn't going to do all that itself. That means all of those manufacturers need x86-64 machines to work on; probably lots of them.
If Hammer supplies are tight, it seems plausible that there wouldn't be enough driver development systems to go around. Since Microsoft would likely require a complete driver library before releasing a 64-bit version of Windows, especially one for desktop users, the Athlon 64 would be left without a desktop operating system.

Unlike the Athlon 64, server-targeted Opterons can get by with a 64-bit version of Linux. Server customers should be more comfortable with third party drivers and even recompiling drivers for 64-bit compatibility themselves, so a 64-bit version of Windows isn't essential.

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