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MegaRAID 8480 RAID Controller 3-3
Copyright © 2006-2007 by LSI Corporation. All rights reserved.
Table 3.1 MegaRAID 8480 RAID Controller – Connectors
Connector Description Type Comments
J2 DIMM Socket Socket Holds cache memory module.
J3 Ports 0–3 x4 SAS
ports
SAS 4x connector that connects to
physical drives and expanders.
J5 Write Pending
Indication LED
2-pin
connector
Connector for enclosure LED.
When lit, it indicates the on-board
cache contains data and a write
from the cache to the hard drives is
pending. Optional.
J6 Firmware
Initialization
Mode 0 or 3 Select
2-pin
connector
Reserved for LSI internal use.
J7 On-board BIOS
Enable
2-pin
connector
Reserved for LSI internal use.
J8 Universal
Asynchronous
Receiver/Transmitter
(UART) debugging
4-pin
connector
Reserved for LSI internal use.
J9 Ports 4–7 x4 SAS
ports
SAS 4x connector that connects to
physical drives and expanders.
J11 Keyed I
2
C connector 3-pin
connector
Used for enclosure management.
Reserved for LSI internal use.
J12 Unkeyed I
2
C
connector
3-pin
connector
Used for enclosure management.
Reserved for LSI internal use.