The Model AS-2 is designed to check velocity and direction of air flow continuously with a smoke tube (No. 301) which reacts with vapour in the air and generates white smoke.

该型号AS - 2的目的是检查速度和方向的空气流动的烟管（301）的反应与空气中的蒸汽并产生白烟不断。

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Aptiva PCs with model numbers 240, 301, 520, and 580 manufactured between March 5 and 17, 1999, and sold in the United States may contain CIH, according to IBM representatives.

CNN: Some Aptivas shipped with CIH virus