C-4
SC825M Chassis Manual
#5. CD-ROM/Floppy 4-Pin Connectors
The 4-pin connectors, designated J9 and
J10, provide power to the CD-ROM and
floppy drives. See the table on the right
for pin definitions.
CD-ROM/
FDD Power
4-Pin Connector
(J9 and J10)
Pin# Definition
1
+12V
2 and 3
Ground
4
+5V
#6. MG9072 Chip
The MG9072 is an enclosure management
chip used in the 818 TQ backplane.
#7 - #9. SAS Ports
The SAS ports are used to connect the
SAS drive cables. The 3 ports are des-
ignated #0 - #2 and are compatible with
SATA drives.