INSERT INTO @PROCMASKSTABLE
    SELECT CAST(c.value AS INT) & Bits.BitMask AS Mask
    FROM   sys.configurations AS c CROSS JOIN
    (SELECT Number AS BitNo, CAST(POWER(2.0, Number) AS BIGINT) AS BitMask
        FROM Tally WHERE (Number <= @NUMPROCS and Number <= 31)) AS Bits
        WHERE     (c.name = 'affinity mask')

select 1073741824 * 2 -- 1073741824 == 2^30