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To: Alomex who wrote (18363)9/22/1998 7:34:00 PM
From: axp  Respond to of 213177
 
> a 64 bit version of NT was tested on a Merced emulator

To whatever extent a 64-bit NT is running on a Merced EMULATOR it is running on Alpha HARDWARE today.

> Most users only need the 64 bit file addressing capability

Agreed - but we're talking about high-end (high-margin) database or internet server applications in this case. It's not going to be a mass-market OS for a long time.

> Does the alpha version of NT uses the 64 bit capabilities of the Alpha chip? I couldn't find a reference to it in microsoft's web site.

Short answer - No, but it's not being hurt by that. NT 4 and NT 5 are 32-bit operating systems on all platforms. On NT 5 a programmer will be able to take advantage of a 64-bit address space by programming to a new MS API. This is different that true 64-bit support where a developer doesn't have to do anything different.