User Guide

3-6 AcerAltos 21000 System Guide
Connector Function
CN16 LCD (front panel) connector
CN17 USB connector
CN18 Voltage Regulator Module (VRM) 3 connector
CN19 Slot 2 CPU 3 thermal connector
CN20 Voltage Regulator Module (VRM) 4 connector
CN21 Parallel port (top), VGA port (bottom)
CN22 Power cable connector
CN23 Voltage Regulator Module (VRM) 5 connector
CN24 LAN (RJ-45) port
CN25 Reserved
CN26 Slot 2 socket 4 thermal connector
CN27 Fan connector for Slot 2 socket 3
CN28 Power status/control connector
CN29 Voltage Regulator Module (VRM) 6 connector
CN31 & 32 RDM (Remote Diagnostic management) connector
CN33 Fan connector (reserved)
CN34 RDM LED connector
CN35 HDD activity indication from Add-on card
*
CN36 Housing Intrusion Switch connector (left panel)
CN37 Fan connector 2
CN38 Reserved
CN39 FDD connector
CN40 Power button connector
CN41 Narrow SCSI connector
CN42 IDE connector
*
These connectors (CN35 and CN44) are used for accepting the HDD activity information
from the storage adapters. If the storage adapter's information is not passed to the main
board via these connectors, the activities of the HDD which was connected to the adapter
will not be reflected on LCD Display Module.