esta es una diapositiva que contiene las caracteristicas de una mother board

3. Table 2. Components Shown in Figure 1
Item/callout
from Figure 1
Description
 A Conventional PCI bus add-in card connector
 B Chassis intrusion header
 C S/PDIF header
 D PCI Express x1 add-in card connector
 E Battery
 F Back panel connectors
 G Standby power indicator LED
 H 12 V processor core voltage connector (2 X 2)
 I Rear chassis fan header
 J Piezoelectric speaker
 K LGA1155 processor socket
 L Processor fan header
 M Low Pin Count (LPC) Debug header
 N DIMM 1 (Channel A DIMM 1)
 O DIMM 2 (Channel B DIMM 1)
 P Trusted Platform Module (TPM) header
 Q Main power connector (2 x 12)
 R SATA connectors
 S BIOS setup configuration jumper block
 T Front panel header
 U Intel H61 Express Chipset
 V Serial port header
 W Front panel USB 2.0 header
 X Front panel audio header