82801FB Datasheet, PDF (53/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

2 Signal Description
Signal Description
This chapter provides a detailed description of each signal. The signals are arranged in functional
groups according to their associated interface.
The “#” symbol at the end of the signal name indicates that the active, or asserted state occurs when
the signal is at a low voltage level. When “#” is not present, the signal is asserted when at the high
voltage level.
The following notations are used to describe the signal type:
I
Input Pin
O
Output Pin
OD O
Open Drain Output Pin.
OD I
Open Drain Input Pin.
OD I/O
Open Drain Input/Output Pin.
OC O
Open Collector Output Pin.
I/O
Bi-directional Input / Output Pin.
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
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