HP rp7420 Installation Guide, Fifth Edition - HP 9000 rp7420 Server - Page 65
MP Core I/O Connections, MP/SCSI Connections, Management Processor Access
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Cabling and Power Up MP Core I/O Connections MP Core I/O Connections Each HP 9000 rp7420 Server can have up to two MP Core I/O board sets installed. Which allows two partitions to operate, or MP Core I/O redundancy in a single partition configuration. Each MP Core I/O board set consists of two boards: the MP/SCSI board and the LAN/SCSI board. The MP/SCSI board is oriented vertically and accessed from the back of the server. The LAN/SCSI is accessed from the PCI/PCI-X expansion card bay. Only the primary MP core I/O board set (MP/SCSI slot 1 and LAN/SCSI slot 8, chassis 1) is required for a single partition implementation. The secondary MP/SCSI board is not necessary for full operation; however, without the secondary MP/SCSI board, only two internal disks can be accessed. MP/SCSI Connections The MP/SCSI board is required to update firmware, access the console, turn partition power on/off, access all but two of the internal peripherals, and use other features of the system. Connections to the MP/SCSI board include the following: • DB25 Connector, by way of the M cable This RS232 connector provides connections for a local console, external modem, and a UPS. The server end of the M cable terminates in a DB25 connector. The opposite side of the cable terminates in three DB9 connectors labeled CONSOLE, UPS, and REMOTE. • 10/100 Base-T LAN RJ45 connector (for LAN and Web Console access). This LAN uses standby power and is still active if the front panel power switch is off and AC is present. • Internal LVD Ultra 160 SCSI channel for connections to internal mass storage • Internal SE Ultra SCSI channel for connection to an internal removable media device. LAN/SCSI Connections The LAN/SCSI board is a PCI form factor card that provides the basic external I/O connectivity for the system. Connections to the LAN/SCSI board include the following: • PCI-X to PCI-X bridge for multi-device compatibility • Internal LVD Ultra 160 SCSI channel for connections to internal mass storage • External LVD Ultra 160 SCSI channel connected to a 68-pin VHDCI connector • 10/100/1000 Base-T LAN RJ45 connector The primary LAN interface is located on the LAN/SCSI board installed in the rightmost slot when viewing the system from the back. Management Processor Access NOTE To access the Management Processor for the initial installation, the M cable must first be connected to the DB25 connector located on the primary MP/SCSI board. The primary MP/SCSI board is located in the lower MP/SCSI board slot. Chapter 4 65