Avago Technologies MegaRAID SATA 300-4XLP - Manual (Page 43)

Storage Adapter Board Specifications 3-13
Version 1.4 Copyright © 2004–2006 by LSI Logic Corporation. All rights reserved.
3.2.10 SATA 300-8ELP Connectors and Jumpers
Table 3.6 describes the connectors and jumpers on the SATA 300-8ELP
board.
Table 3.6 SATA 300-8ELP Connectors and Jumpers
Jumper Type Description
J1 IPMI-style I
2
C Debug header 3-pin connector.
Used for diagnostic purposes.
J2 Individual Activity
LED header for all 8 ports 16-pin (8x2) jumper.
Provides LED interface individually to eight SATA II ports.
The LED indicates activity on particular ports.
J3 Debugger 2-pin jumper.
Used for diagnostic purposes.
J4 Serial header for debug use 4-pin jumper.
Used for diagnostic purposes.
1. Note: The serial port is not RS232 voltage level compli-
ant.
J5 Firmware Initialization
Mode Select 2-pin connector.
If the firmware flashed onto the board is corrupted, you need
to install a jumper on J5 (this holds the CPU core in reset),
so 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).
1. Note: The card does not function as a RAID controller if
this jumper is mounted.
J6 IPMI-style SMBus (System
Management) /I
2
C header
3-pin connector.
Provides enclosure management support.
J7 Cache Write Pending LED 2-pin connector.
Connector for 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.