Avago Technologies MegaRAID SCSI 320-0 (520-0 CH) - Manual (Page 43)

MegaRAID 320 Storage Adapter Family 3-3
Copyright © 2003-2008 by LSI Corporation. All rights reserved.
Table 3.1 MegaRAID 320-1 Headers and Connectors
Connector Description Type Comments
J1 Internal SCSI
Connector 68-pin
connector Internal high-density SCSI bus connector.
J2 Dirty Cache LED 2-pin header Connector for an LED mounted on the system
enclosure. The LED is lit when the data in the cache
has not yet been written to the storage device.
J3 Clear EPROM 2-pin header Deletes the configuration data in the erasable
programmable read-only (EPROM) memory.
J4 On-Board BIOS
Enable 2-pin header No jumper: MegaRAID on-board BIOS enabled
(default)
Jumpered: MegaRAID on-board BIOS disabled
J5 SCSI Activity LED 2-pin header Connector for enclosure LED to indicate data
transfers. Connection is optional.
J6 I
2
C Connector 4-pin
connector Reserved for LSI Logic internal use
J7 External SCSI
Connector 68-pin
connector External very high-density SCSI bus connector
J8 BBU Daughter Card
Connector 40-pin
connector Connector for optional backup battery unit (BBU)
located on a daughter card
1
J9 Termination Power
Enable 2-pin header Jumpered: On-board termination power enabled.
(default - do not change)
J10 SCSI Bus
Termination Enable 3-pin header Jumper on pins 1-2: Software uses drive detection to
control SCSI termination (default - do not change).
Jumper on pins 2-3: On-board SCSI termination
disabled.
No jumper: On-board SCSI termination enabled.
1. The MegaRAID 320-1 does not have an alarm integrated onto the board. For an alarm, the
controller requires a daughter card with integrated alarm. If you order the daughter card for battery
backup, it should have the alarm on it.