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4
Introduction
Leading
EDGE COMPUTING
1.4
Specifications
PCIe-U304
PCIe-U308
PCIe-U312
PCI Express
PCI Express
4-lane PCI Express Gen 2.1 (2.5 GT/s)
Differential Output
Peak to Peak Voltage
+0.8 V to +1.2 V
Differential Input
Peak to Peak Voltage
+0.175 V to +1.2 V
Input voltage for PERST#,
WAKE#, SMBus
-0.75 V to +4.05 V
USB Ports
USB Ports (on bracket)
4
8
12 (4 via extension)
USB Connector
USB Type-A Connector
USB Host Controller
4 x Fresco FL1100 Host Controllers
Compliant with USB 3.0 Specification and
Intel® xHCI Specification, Revision 1.0
Data Transfer Rates
SuperSpeed (5.0 Gbps), High Speed (480.0 Mbps),
Full Speed (12.0 Mbps), Low Speed (1.5 Mbps)
USB Power
Output Voltage (at PSE)
5V ±5%
5V at 4-pin connectors
on cable, less 0.25V
Current Limit Range (per
Port)
1700 mA ±7%
Ports 1-8: 1700 mA ±7%
Ports 9-12: 1100 mA ±7%
USB Power Management
Software-programmable per-port power on/off
Voltage, current overload and short circuit protection
PCBA Max. Power Req’t
w/o USB Power Delivery
+3.3V 2A, +12V @ 0.1A
USB
Power
Delivery
Capacity
(at PSE)
PCIe Slot only
w/o 4-pin Molex
Connector
Max. 20W USB Power
4-pin Molex connector
req’d for extension ports
PCIe Slot w/
4-pin Molex
Connector
Max. 30W
USB Power
Max. 60W
USB Power
Max. 78W USB Power
Table 1-1: PCIe-U300 Series Specifications