
DIGITAL-LOGIC AG SMA200 Manual V1.0
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4. COM-EXPRESS CONNECTOR DESCRIPTION
4.1. Signal Terminology Descriptions
Signal Description
PU Internally implemented pull up resistor
PD Internally implemented pull down resistor
I/O 3.3V Bi-directional signal 3.3V tolerant
I/O 5V Bi-directional signal 5V tolerant
I 3V Input 3.3V tolerant
I 5V Input 5V tolerant
I/O 3.3VSB Input 3.3V tolerant, active in standby state
O 3V Output 3.3V signal level
O 5V Output 5V signal level
P Power input/output
D Differential signal pair
DDC Display data channel
PCIE In compliance with PCI Express Base Specification, Revision 1.0a
SATA In compliance with Serial ATA Specification, Revision 1.0a
LVDS Low voltage differential signal: 350mV nominal; 450mV maximum differential signal
LAN 100/10Mbit/s LAN signals coming from the PHY
TPM Trusted platform module
GE-LAN 1GB LAN signals