Avago Technologies MegaRAID SAS 8204ELP - Manual (Page 69)

MegaRAID SAS RAID Controller Family 3-19
Copyright © 2005-2007 by LSI Logic Corporation. All rights reserved.
J4 SAS Ports 12-15 x4 SAS
connector The x4 SAS connectors connect the
cables from the controller to SAS
physical drives, SATA II physical
drives, or to a SAS expander.
J5 SAS Ports 8-11 x4 SAS
connector The x4 SAS connectors connect the
cables from the controller to SAS
physical drives, SATA II physical
drives, or to a SAS expander.
J6 Cache Write
Pending LED 2-pin
header Connector for the enclosure LED.
Provides a signal that indicates
when the on-board cache contains
data and a write from the cache to
the hard drives is pending.
Optional.
J9 SAS Ports 4-7 x4 SAS
connector The x4 SAS connectors connect
the cables from the controller to
SAS physical drives, SATA II
physical drives, or to a SAS
expander.
J11 Mode Select 2-pin
connector If the firmware flashed onto the
board is corrupted, you need to
jumper J5 (this holds the CPU core
in reset), so that you can flash the
firmware.
Remove the jumper after you flash
the new firmware.
No jumper: This is the setting during
normal operation (Mode 3).
This is the default.
Jumper: This holds the CPU core
in reset (Mode 0).
Note: The card does not function
as a RAID controller if this jumper is
mounted.
J12 UART 4-pin
connector
Used for diagnostic purposes. You
need an LSI RS232 adapter to
interface with a PC.
Table 3.8 SAS 84016E RAID Controller – Jumpers and
Connectors (Cont.)
Jumper Description Type Comments