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C-7
Cisco UCS C24 Server Installation and Service Guide
OL-26647-01
Appendix C RAID Controller Considerations
Embedded MegaRAID Controller
Installing a SCU Upgrade ROM Module For Embedded RAID SAS Support
The SCU Upgrade ROM module contains a chip on a small circuit board. This module attaches to a
motherboard header (see
Figure C-1). This chip adds SAS support for up to eight drives.
To install a SCU upgrade ROM jumper, follow these steps:
Step 1 Locate the SCU_ROM header (see Figure C-1).
Step 2 Align the connector on the SCU upgrade ROM module with the pins on the header, then gently push the
connector onto the pins.
Step 3 Replace the top cover.
Step 4 Replace the server in the rack, replace cables, and then power on the server by pressing the Power button.
Step 5 Continue with either Installing a Software RAID Key Module for Embedded RAID 5 Support, page C-8
or Enabling the Integrated RAID Controller in the BIOS, page C-8.
Figure C-1 SCU Upgrade ROM and RAID 5 Key Header Locations on the Motherboard
1 SCU upgrade ROM header (SCU_ROM) 2 RAID 5 software key header (RAID_KEY)
285261
Port 1
Port 0
SYS FAN1
SYS FAN2
SYS FAN3
SYS FAN4
CPU 1
CPU 2
PCIe riser 1
PCIe riser 2
PSU 1 (bottom)
PSU 2 (top)
1
2