
1. USB1, USB2: External 4 Port USB Connectors From the Mainboard
2. FAN1, FAN2, FAN3, FAN4: Fan Connector
3. ATXCTL1: Backplane to Mainboard ATX Power Control Connector
4. PWRBTN: External Power On Button
5. RESET: External Reset Button Connector
SPE-9S-R11
9-Slot PICMG 1.3 PCIe Backplane
User Manual Ver. 1.1

6. PWRGD: External Power Good Connector
7. SM-BUS: External System Management BUS Connector
8.CN2: PCIE X8 SDVO Control Signal Pin
The CN2 indicators are for controlling your PCIE X8 board.
9. IOPWR: The I/O Power Connector indicators for controlling your
CPU board.

10. PCI routing table:
11. Notice:
a. Recommend to use 6mm width spacer to install
b. Torsion must less than 6lb-inch