Intel DH55TC User Manual

Technical Reference
43
Table 17. Front Panel USB Header (with Intel Z-U130 USB Solid-State Drive,
or Compatible Device, Support)
Pin Signal Name Pin Signal Name
1 +5 VDC 2 +5 VDC
3 D− 4 D−
5 D+ 6 D+
7 Ground 8 Ground
9 KEY (no pin) 10 LED#
Table 18. SATA Connectors
Pin Signal Name
1 Ground
2 TXP
3 TXN
4 Ground
5 RXN
6 RXP
7 Ground
Table 19. Processor (4-Pin) Fan Header
Pin Signal Name
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Table 20. Front and Rear Chassis Fan Headers
Pin 4-Wire Support Pin 3-Wire Support
1 Ground 3 Ground
2 +12 V 2 FAN_POWER
3 FAN_TACH 1 FAN_TACH
4 FAN_CONTROL N/A N/A

Intel DH55TC Specifications

Add-in Card Connectors

PCI Express 2.0 x16 transfer speed	8 GB/s
PCI Express 2.0 x1 transfer speed	250 MB/s
Conventional PCI connectors count	1

Front Panel USB Headers

USB 2.0 specification compliance	Yes
+5 V DC power on USB headers	Fused
USB Header 2 Pin 10 routing	HDD LED