IBM eX5 Implementation Guide

Chapter 3. IBM System x3850 X5 and x3950 X5 101

Figure 3-25 ServeRAID M5015 SAS/SATA Controller

RAID-6, RAID-60, and encryption are a further optional upgrade for the M5015 through the

ServeRAID M5000 Series Advance Feature Key or the Performance Accelerator Key.

3.9.6 External storage connectivity

The ServeRAID M5025 offers two external SAS ports to connect to external storage.

Table 3-28 lists the cards and support cables and feature keys.

Table 3-28 External ServeRAID card

The M5025 has two external SAS 2.0 x4 connectors and supports the following features:

򐂰 Eight external 6 Gbps SAS 2.0 ports implemented through two four-lane (x4) connectors.

򐂰 Two mini-SAS external connectors (SFF-8088).

򐂰 Six Gbps throughput per SAS port.

򐂰 800 MHz PowerPC processor with LSI SAS2108 6 Gbps RAID on Chip (ROC) controller.

򐂰 PCI Express 2.0 x8 host interface.

򐂰 512 MB onboard data cache (DDR2 running at 800 MHz).

The M5015

installs behind

the disk cage and

is shown here

This card installs

in a special PCIe

slot, and it is not

installed in one of

the seven PCIe

slots for other

expansion cards.

Latch

Front of server

Edge clips

Optional battery

Option Feature code Description

46M0830 0094 IBM 6Gb ServeRAID M5025 External RAID

39R6531 3707 IBM 3m SAS External Cable for ServeRAID M5025 to an

EXP2512 (1747-HC1) or EXP2524 (1747-HC2)

39R6529 3708 IBM 1m SAS External Cable for interconnection between

multiple EXP2512 (1747-HC1) or EXP2524 (1747-HC2)

46M0930 5106 IBM ServeRAID M5000 Advance Feature Key: Adds RAID-6,

RAID-60, and SED Data Encryption Key Management to the

ServeRAID M5025 controller