Connectors - Intel BOXD850EMD2L - 850E 478PIN MAX-2GB UATX 3PCI Specifications

2.8 Connectors

CAUTION
Only the back panel connectors and the front panel USB connector of the desktop boards
D850EMD2/D850EMV2 have overcurrent protection. All of the remaining internal connectors on
the desktop boards D850EMD2/D850EMV2 are not overcurrent protected and should connect
only to devices inside the computer's chassis, such as fans and internal peripherals. Do not use
these connectors to power devices external to the computer's chassis. A fault in the load presented
by the external devices could cause damage to the computer, the interconnecting cable, and the
external devices themselves.
This section describes the connectors. The connectors can be divided into the following groups:
•
Back panel I/O connectors (see page 54)
 PS/2 keyboard and mouse
 USB (four with USB 1.1 option, two with USB 2.0)
 Parallel port
 Serial ports (two)
 LAN (optional)
 Audio (Line out, Line in, and Mic in)
•
Internal I/O connectors (see page 57)
 Audio (auxiliary line input and ATAPI CD-ROM)
 Fans (three on the desktop board D850EMD2; four on the desktop board D850EMV2)
 Power (three: two standard, one optional)
 Add-in boards (CNR, PCI, and AGP)
 IDE (two)
 Diskette drive
 SCSI hard drive activity LED
•
External I/O connectors (see page 70)
 Front panel audio
 Front panel USB
 Auxiliary front panel power/sleep/message-waiting LED
 Front panel (power/sleep/message-waiting LED, power switch, hard drive activity LED,
reset switch, and auxiliary front panel power LED)
Technical Reference
53