PXE-19S-R40
Nov. 20, 2007
19-Slot PICMG 1.3 PCIe to PCI Bridge Backplane
User Manual Ver. 4.0
1. USB1, USB2: External 4 Port USB Connectors From the Mainboard
7 5 3 1
● ● ● ■
● ● ● ●
2. FAN1, FAN2, FAN3, FAN4: Fan Connector
3. ATXCTL1: Backplane to Mainboard ATX Power Control
Connector
PIN DESCRIPTION PIN DESCRIPTION
1 USBVCC 2 GND
3 DATA- 4 DATA+
5 DATA+ 6 DATA7 GND 8 USBVCC
PIN DESCRIPTION
1 GND
123
2 +12V
3 NC
PIN DESCRIPTION
1 GND
2 PSON#
4. PWRBTN: External Power On Button
■ ●
1 2
■ ●
1 2
5. RESET: Reset Button Connector
123
PIN DESCRIPTION
1 GND
2 SHB_RST#
3 5VSB
PIN DESCRIPTION
1 PWRBT#
2 GND
1
6. PWRGD: External Power Good Connector
2
1
●
■
PIN DESCRIPTION
1 GND
2 PWRGD
7. SM-BUS: External System Management BUS Connector
●
■
2
1
PIN DESCRIPTION
1 SMDATA
2 SMBCLK
8. CN1: PCIE X16 SDVO Control Signal Pin
1 2 3
■ ● ●
PIN DESCRIPTION
1 EXP_EN
2 SDVO_CLK
3 SDVO_DAT
9. IOPWR: The I/O Power Connector indicators for controlling your
CPU board
PIN DESCRIPTION PIN DESCRIPTION
1 GND 2 -12V
3 +12V 4 GND
5 IPMB_DA 6 5VSB
7 GND 8 GND
9 IPMB_CL 10 5VSB
11 +5V 12 PWRGD
13 SMDATA 14 SHB_RST#
15 5VSB 16 GND
17 SMBCLK 18 PSON#
19 +3.3V 20 PWRBT#
19 17 15 13 11 9 7 5 3 1
● ● ● ● ● ● ● ● ● ■
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20 18 16 14 12 10
8642
2
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