Connectors, switches, and LEDs 95
Item Designator Description
21 B1 3 V CMOS battery (CR2032)
22 J76 Backplane power control connector
23 J56 LCD connector (optional)
24 J53 Front panel USB 2.0 port 0/1
25 J42 Front panel header
26 J29 TPM Connector
27 J27 System maintenance jumper
28 SATA SATA connectors
29 J31 PCIe slot
Jumpers
The system board contains a system maintenance jumper (J27). Table 12 describes the jumper
settings.
Table 12
System Maintenance Jumper Settings (J27)
Jumper Status (default=off)
A Clear CMOS
B Clear password
C Recovery BIOS
D Recovery BMC
E RTC reset