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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Dave who wrote (27811)	1/11/1998 1:20:00 AM
From: Petz	Read Replies (2) \| Respond to of 1572453

Dave, re: 266 MHz K6-- Could these chips be directly placed into a notebook, or does AMD need to go through another redesign? The die of the 266 MHz K6 used in the IBM Aptiva's is the same as the die used in the 233 MHz Compaq notebooks, but the packaging and the core voltage is different. (Probably 2.1v for desktop, 1.8 or 1.9 for mobile.) The packaging for the desktop is a standard Socket 7, the packaging for notebook is called a "Ball Grid Array" or BGA. BTW, IBM is probably doing the packaging for the desktop version themselves. Petz

To: Dave who wrote (27811)	1/11/1998 11:41:00 PM
From: Paul Engel	Read Replies (1) \| Respond to of 1572453

Dave - Re: "Could these chips be directly placed into a notebook, or does AMD need to go through another redesign?" Several factors are at play. First, the higher voltage (Vcc = 2.1 or 2.2 volts) must be dealt with. Second, the higher power dissipation (proportional to Vcc^2) will lead to reduced battery life or reduced speed - the chip may have to be throttled back to 200 or 233 MHz and a lower voltage. Three - many notebooks use TAB (Tape Automated Bonding) packaging - AMD may have to develop/license/outsource this packaging for notebook manufacturers. Paul