
Intel® Workstation Board S5520SC TPS Connector/Header Locations and Pin-outs
Revision 1.7
Intel order number: E39530-010
105
Connector Quantity
Reference Designators
Connector Type Pin Count
Serial port A
Configuration
1 J4B2 Jumper 3
Serial port B 1 J1B1 Header 9
Front panel 1 J1B3 Header 24
Internal USB 2 J1D1, J1D4 Header 10
USB_SSD 1 J1D3
Low profile
header
10
Internal USB 1 J1H2 Header 4
Chassis Intrusion 1 J2D1 Header 2
Serial ATA 6 J1G1, J1G4, J1G5, J1E3, J1F1, J1F4 Header 7
HSBP 2 J1F5, J1G3 Header 4
SATA SGPIO 1 J1G2 Header 4
LCP/IPMB 1 J1G6 Header 4
Configuration
jumpers
4
J2C1 (CMOS Clear), J1E2 (ME Force Update), J1E4
(Password Clear), J1E5 (BIOS Recovery), J1H1 (BMC
Force Update),
Jumper 3
HDD Activity Led 1 J1E1 Header 2
Internal Video
Header
1 J3B2 Header 14
6.2 Power Connectors
The main power supply connection uses an SSI-compliant 2x12 pin connector (J1K3).
Three additional power-related connectors also exist:
Two SSI-compliant 2x4 pin power connectors (J9A1, J9K1) to provide 12-V power to the
CPU voltage regulators and memory.
One SSI-compliant 1x5 pin connector (J9K2) to provide I
2
C monitoring of the power
supply
The following tables define these connector pin-outs.
Table 47. Power Connector Pin-out (J1K3)
Pin
Signal Color Pin
Signal Color
1 +3.3 Vdc Orange 13 +3.3 Vdc Orange
2 +3.3 Vdc Orange 14 -12 Vdc Blue
3 GND Black 15 GND Black
4 +5 Vdc Red 16 PS_ON# Green
5 GND Black 17 GND Black
6 +5 Vdc Red 18 GND Black
7 GND Black 19 GND Black
8 PWR_OK Gray 20 RSVD_(-5 V) White
9 5 VSB Purple 21 +5 Vdc Red
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