Instruction Manual

1
PXE-19S-R21
19-Slot PICMG 1.3 PCIe to PCI Bridge Backplane
ver. 2.1
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
Aug. 28, 2007
7 5 3 1
● ● ● ■
● ● ● ●
8
6
4
2
USB1、USB2
PIN DESCRIPTION PIN DESCRIPTION
1 VCC 2 GROUND
3 DATA- 4 DATA+
5 DATA+ 6 DATA-
7 GROUND 8 VCC
PIN DESCRIPTION
1 Ground
2 +12V
3 NC
123
123
PIN DESCRIPTION
1 GND
2 PS_ON-
3 5VSB
1 2
■ ●
PIN DESCRIPTION
1 SHBPWBT-
2 GND