Bitfields for Intel 82371MX Burst Clock/Clock Throttle Break Enable 0 register:
Bit(s)	Description	)
 7	Enable IRQ7
 6	Enable IRQ6
 5	Enable IRQ7
 4	Enable IRQ4
 3	Enable IRQ3
 2	reserved
 1	Enable IRQ1
 0	Enable IRQ0
SeeAlso: #01168,PORT xxxxh"Intel 82371"