1U2FH-4L
36
37
English
ATX Power Connector
(24-pin ATXPWR1)
(see p.35, No. 3)
1
3V
3V
GND
12V
5V
5V
12V
PWROK_PS
5VSB
12V
12V
3V
3V
N/A
GND
PSON#
GND
GND
GND
5V
GND
GND
GND
N/A
12
24
13
The PDB provides a 24-pin ATX
power connector. To use a 20-pin
ATX power supply, please plug it
along Pin 1 and Pin 13.
ATX 12V Power
Connector
(8-pin ATX12V1)
(8-pin ATX12V2)
(see p.35, No. 4, 5)
5
8
1
4
The PDB provides two 8-pin
ATX 12V power connectors..
HDD Power Connector
(12-pin PWR_HDD1)
(see p.35, No. 2)
12
7
6
1
This connector is used
to connect BPB and the
power connector on the
power distribution board.
PMBus Connector
(5-pin PSU_SMB1)
(see p.35, No. 1)
+3VSB
1
ALERT
SMBCLK
GND
SMBDATA
PSU SMBus monitors the
status of the power supply.