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OCPRF100 MP Server System Technical Product Specification
Revision 1.0
36
• Secure mode, video blank, and floppy write protect
• Front panel NMI monitoring
• Software front panel NMI generation
3.4.3 Hot-swap Controller
The hot-swap controller (HSC) on the LVDS SCSI hot-swap backplane is connected to other sys-
tem boards via the IPMB. The HSC provides server management information through both the
IPMB and the SCSI Accessed Fault-Tolerant Enclosures (SAF-TE). SAF-TE is an industry stan-
dard for communicating drive and slot status.
The HSC:
• implements the SAF-TE command set accessed through SCSI;
• provides an IPMB path for drive presence, drive fault status, backplane temperature, and
fan failure;
• controls the fault lights and drive power on the OCPRF100 MP server system chassis
hot-swap backplane;
• monitors the power distribution backplane for power supply status; and
• controls drive power on and off, facilitating hot-swapping of drives.
3.5 Expansion Support
Table 3-7: OCPRF100 MP Server System Expansion Support summarizes the expansion sup-
port provided by the server system.
Table 3-7: OCPRF100 MP Server System Expansion Support
Quantity Type
10 64-bit PCI hot-plug expansion bus slots
2 Single connector attachment (SCA-2) SCSI hard disk drive bays
1 5.25-inch half-height drive bays
1 External LVDS connector
32 72-bit SDRAM PC-100 registered DIMM module sockets (16 per memory module)