
ESM-BYT User’s Manual
26 ESM-BYT User’s Manual
2.4.2.1.4 Flat Panel LVDS Signals
Controls panel digital power.
Controls backlight power enable.
2.4.2.1.5 LPC Signals
LPC frame indicates the start of an LPC cycle
LPC multiplexed address, command and data bus
LPC clock output - 33MHz nominal
2.4.2.1.6 Miscellaneous Signals
Output for audio enunciator - the "speaker" in PC-AT systems
Selection straps to determine the BIOS boot device
Chipset
SPI CS1#
Destination
Chipset
SPI CS0#
Destination
2.4.2.1.7 PCI Express Signals
PCI Express Differential Transmit Pair 0-2
PCI Express Differential Receive Pair 0-2
Reference clock output for PCI Express lanes 0-6 and for PCI Express Graphics
lanes 0-15
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