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Bitfields for Intel 82371SB slave IDE timing register

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Bit Description

7 - 6

secondary drive 1 IORDY# sample point
00 = five clocks after DIOx# assertion
01 = four clocks
10 = three clocks
11 = two clocks

5 - 4

secondary drive 1 recovery time
00 = four clocks
01 = three clocks
10 = two clocks
11 = one clock

3 - 2

primary drive 1 IORDY# sample point
00 = five clocks after DIOx# assertion
01 = four clocks
10 = three clocks
11 = two clocks

1 - 0

primary drive 1 recovery time
00 = four clocks
01 = three clocks
10 = two clocks
11 = one clock

See Also:

#01223