Ref Des
Location
Description
B1B1
Battery
3 V Lithium CR2032 coin battery for real time clock (RTC)
and CMOS memory backup
U9A1
RS232 Transceiver
Two 28-pin connectors to handle all modem control signals
U9A2
1.10
On-Board I/O Connectors
Table 5.
On-Board I/O Connectors
Ref Des Location
Description
J1D1, J1D2
PHY Card Connector
HMZD connector for PHY add-in card
J1G1
Serial ATA Port 0
Two SATA 2 interface connectors. SATA ports 4 and 5 are
referenced as SATA ports 0 and 1 respectively.
J1F6
Serial ATA Port 1
J1E3
USB Port 4 and 5 Header
10-pin (pin 9 is omitted as a plug-in key), dual-row
header that routes two USB ports to an external USB
connector. In conjunction with the rear panel USB ports
there are a total of six USB ports.
J1A7
Front Panel Header
10-pin (pin 10 is omitted as a plug-in key), dual-row
header that provides connection for:
• Power Switch
• Reset Switch
• Power-on LED
• HD Status LED
J8D1
CPU Fan Header
Four-wire CPU fan header.
J3J1
PCH Fan Header
Three-wire PCH fan header.
J5B3
AUX Fan Header
Three-wire header with no fan speed control.
J1H2
LPC Header
20-pin card header for the TPM / LPC bus.
J1J1
LCD Data
16-pin header, not populated, for LCD port 80 output
J2J2
PCH In-Circuit SPI
Programming Header
10-pin header for use with DediProg* SF100 in-circuit
program tool. Used to update PCH SPI device without
removing it from its socket.
J5A1
XDP0 Connector CPU
Top-side 60-pin connector for ITP-XDP processor debug.
XDP is the Extended Debug Port used for component
debugging and testing.
J6D2
XDP1 Connector PCH
Top-side 60-pin connector for the ITP-XDP PCH debug.
XDP is the Extended Debug Port used for component
debugging and testing.
1.11
Expansion I/O Slots
Table 6.
Expansion I/O Slots
Ref Des
Location
Description
Notes
J5B1
PCI Express* Slot
1
Processor
The PCI Express ports comply with PCI
Express* Base Specification, Rev. 2.0a.
continued...
Crystal Forest—Introduction
Intel
®
Xeon
®
Processor E3-1125C with Intel
®
Communications Chipset 8910 Development Kit
User Guide
October 2012
14
Order No.: 328009-001US