IBM ServeRAID M5025, User Manual

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3-2 ServeRAID M5025 SAS/SATA Controller Characteristics
Figure 3.1 Card Layout for the ServeRAID M5025 RAID Controller
Table 3.1 ServeRAID M5025 SAS/SATA Controller – Connectors
Connector Description Type Comments
J1A1 Universal
Asynchronous
Receiver/Transmitter
(UART) debugging
4-pin
connector
Reserved for IBM use.
J1A2 ServeRAID M5000
Series Advanced
Feature Key header
2-pin
shielded
header
Enables support for RAID 6
configurations and self-
encrypting disks (SED).
J1A4 x4 SAS Ports 4–7 Mini SAS 4i
connector
Connects the cables from the
controller to SAS drives or SATA
II drives, or a SAS expander.
J1B1 x4 SAS Ports 0–3 Mini SAS 4i
connector
Connects the cables from the
controller to SAS drives or SATA
II drives, or a SAS expander.
J6A1 Global Drive Fault
LED header
2-pin
connector
Connects to an LED that
indicates whether a drive is in a
fault condition.
J6A2 SAS Activity LED
header
2-pin
connector
Connects to an LED that
indicates drive activity.
J6A3 Remote Battery
Backup Unit
connector
20-pin
connector
Connects the intelligent Battery
Backup Unit (iBBU) remotely to
the RAID controller.
85040-07
J6B2
J6A1
J1A2
J1A1
J1A4
J1B1
J6B1
Port
0-3
Port
4-7
J6A2
J6A3