Gateway E-842R Disk I/O module specification

www.gateway.com

LED functions

LED functions	LED state	Definition
Battery fault	Orange	When lit, this LED indicates that the backup battery unit
		is missing, has low voltage, has experienced a time-out
		on charge, indicated a faulty battery, or has experienced
		a fault in the charging circuitry.
Cache active	Orange	When lit, this LED indicates that the RAID controller cache
		has data saved in memory but not written to the disk
		array.
Controller activity on drive bank 0	Orange	When lit, this LED indicates activity on the Bank 0 disk
		drives.
Controller activity on drive bank 1	Orange	When lit, this LED indicates activity on the Bank 1 disk
		drives.
Controller OK	Green	When lit, this LED indicates that RAID controller activity
		is normal.
Controller fault	Orange	When lit, this LED indicates that a RAID controller fault
		has occurred.
Ethernet status	Green	When lit, this LED indicates that the Ethernet port has a
		valid connection.
	Orange	When lit, this LED indicates that the Ethernet port has
		activity.
SAS activity*	Green	When lit, these LEDs show I/O activity on the specific port
		lane indicated.

* These LEDs blink on and off when there is module activity.

Disk I/O module specification

Dimensions (internal)

Speed

Connectors

Attachment

4 inches x 10.5 inches (103 mm x 267 mm)

Component board - 4 inches x 9.5 inches (103 mm x 240 mm)

■Host ports: two 3 Gb/sec SAS

■Drive ports: 3 GB SAS, creates connections to a single domain of 12 drives

■(1) Host Port (IN) - SFF8470 connector (4 lane)

■(1) expansion port (OUT) - SFF8470 connector (4 lane)

■

■(1) SAS 4 lane 3 Gbit/sec wide port Host connector

■(1) SAS 4 lane 3 Gbit/sec wide port Expansion connector

LED functions

LED	LED state	Definition
IN (1-4)	Green	When lit, this LED indicates I/O activity on the specified
		SAS port lane.
OUT (1-4)	Green	When lit, this LED indicates I/O activity on the specified
		SAS port lane.

* These LEDs blink on and off when there is module activity.

33