IBM Flex System Enterprise Chassis
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IBM Flex System Enterprise Chassis
IBM Redbooks Product Guide
IBM Flex System™, a new category of computing and the next generation of Smarter Computing, is
anchored by the IBM Flex System Enterprise Chassis. This platform offers intelligent workload
deployment and management for maximum business agility. This chassis delivers high-speed
performance complete with integrated servers, storage, and networking for multiple chassis management
in data center compute environments. Furthermore, its flexible design can meet the needs of varying
workloads with independently scalable IT resource pools for higher utilization and lower cost per
workload. While increased security and resiliency protect vital information and promote maximum uptime,
the integrated, easy-to-use management system reduces setup time and complexity, providing a quicker
path to return on investment.
The IBM Flex System Enterprise Chassis is shown in Figure 1.
Figure 1. The IBM Flex System Enterprise Chassis
Did you know?
IBM Flex System is the platform for IBM® PureFlex System. IBM PureFlex System combines advanced
IBM hardware and software along with patterns of expertise and integrates them into three optimized
configurations, Express, Standard, and Enterprise, that are simple to acquire and deploy so you get fast
time to value for your solution.
IBM Flex System Enterprise Chassis
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Key features
The IBM Flex System Enterprise Chassis is a simple, integrated infrastructure platform that supports a
mix of compute, storage, and networking resources to meet the demands of your applications. The
solution is easily scalable with the addition of another chassis with the required nodes. With the IBM Flex
System Manager, multiple chassis can be monitored from a single screen. The 14 node, 10U chassis
delivers high-speed performance complete with integrated servers, storage, and networking. This flexible
chassis is designed for a simple deployment now and to scale to meet your needs in the future.
Flexibility and efficiency
The 14 bays in the chassis allow the installation of compute or management nodes, with networking
modules in the rear. A single chassis or a group of chassis can be fully customized to the specific needs
of the computing environment. With support for POWER7® and Intel processor-based nodes, you can
choose the architecture you need. IT can meet the needs of the business using a single system across
multiple architectures and operating environments.
The system monitors and manages power usage on all major chassis components so you have total
control over power consumption. Available power supply options are AC, -48V DC and HVDC. AC power
options can be configurable in either a single or three-phase power domain. The chassis supports N+N or
N+1 redundant power supplies and an entirely passive mid-plane to meet your reliability needs. The
power supplies are 80 PLUS Platinum-certified indicating high energy efficiency. The chassis design also
optimizes cooling with cooling zones within the chassis. The system manages the fan modules based on
node configuration within the chassis. So, the system can increase the speed of certain fan modules to
cool potential hot spots, and use lower speeds for other fan modules where appropriate.
Easily scalable with simple administration
Because the IBM Flex System Enterprise Chassis is an all-in-one solution, it is designed for growth from
a single chassis to many. Adding compute, storage, or networking capability is as simple as adding
additional nodes, modules, or chassis. The simple, highly integrated management system allows you to
use the Chassis Management Modules integrated into each chassis to administer a single chassis, or IBM
Flex System Manager controls up to 16 chassis from a single panel.
Designed for multiple generations of technology
The IBM Flex System Enterprise Chassis is designed to be the foundation of your IT infrastructure now
and into the future. Compute performance requirements are always on the rise and networking demands
continue to grow with rising bandwidth needs and a shrinking tolerance for latency. The chassis is
designed to scale to meet the needs of your future workloads, offering the flexibility to support current and
future innovations in compute, storage, and networking technology.
IBM Flex System Enterprise Chassis
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Locations of key components and connectors
Figure 2 shows the front of the Enterprise Chassis.
Figure 2. Front of the IBM Flex System Enterprise Chassis
Figure 3 shows the rear of the Enterprise Chassis.
Figure 3. Rear of the IBM Flex System Enterprise Chassis
IBM Flex System Enterprise Chassis
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Standard specifications
The following table lists the standard specifications.
Table 1. Standard specifications
Components
Specification
Model
System x® ordering sales channel: 8721-A1x or 8721-LRx
Power Systems™ sales channel: 7893-92X
Form factor
10U rack-mounted unit.
Maximum
number of
compute nodes
supported
14 half-wide (single bay), seven full-wide (two bays), three double-height full-wide (four bays) or
one quadruple-height full-wide (8 bays). Mixing is supported.
Chassis per
42U rack
Four.
Nodes per 42U
rack
56 half-wide, or 28 full-wide.
Management
One or two Chassis Management Modules (CMMs), for basic chassis management. Two CMMs
form a redundant pair; One CMM standard in 8721-A1x. The CMM interfaces with the integrated
management module (IMM) or Flexible Service Processor (FSP) integrated in each compute
node in the chassis. Optional IBM Flex System Manager management appliance for
comprehensive management, including virtualization, networking, and storage management.
I/O architecture
Up to eight lanes of I/O to an I/O adapter card, with each lane capable of up to 16 Gbps
bandwidth. Up to 16 lanes of I/O to a half-wide node with two adapters. A wide variety of
networking solutions, including Ethernet, Fibre Channel, Fibre Channel over Ethernet (FCoE),
and InfiniBand.
Power supplies
Up to six power supplies that can provide N+N or N+1 redundant power. Power supplies are 80
PLUS Platinum certified and provide over 94% efficiency at 50% load and 20% load. Each
power supply contains two independently powered 40 mm cooling fan modules. Power supply
options are 2500W AC, 2100W AC, 2500W HVDC and 2500W -48V DC power supplies. All
installed power supplies must be identical.
Fan modules
Ten fan modules (eight 80 mm fan modules and two 40 mm fan modules); Four 80 mm and two
40 mm fan modules standard.
Dimensions
Height: 440 mm (17.3 in)
Width: 447 mm (17.6 in)
Depth: 800 mm (31.5 in) (measured from front bezel to rear of chassis), 840 mm (33.1 in)
(measured from node latch handle to the power supply handle)
Weight
Minimum configuration: 96.62 kg (213 lb)
Maximum configuration: 220.45 kg (486 lb)
Declared sound
level
7.5 bels
Temperature
Operating air temperature 5°C to 40°C
Electrical power AC Input power: 200 - 240 V ac (nominal), 50 or 60 Hz
HVDC DC Input power: 240 - 380 V dc (nominal)
-48 V DC Input power: -48V to -60 V dc (nominal)
Minimum configuration: 0.51 kVA (two power supplies)
Maximum configuration: 13 kVA (six power supplies)
Power
consumption
12,900 watts maximum
IBM Flex System Enterprise Chassis
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The IBM Flex System Enterprise Chassis model 8721-A1x ships with the following items:








One Chassis Management Module
Two 2500 W power supplies
Four 80 mm Fan Modules
Two 40 mm Fan Modules
Four Power Supply Fillers
One Console Breakout Cable
Two C19 to C20 two-meter power cables
One Rack Mount Kit
Model LRx is the same as A1x except that it contains two 2100 W power supplies instead of 2500 W
supplies.
Models
The following table lists the specifications of the standard Enterprise Chassis models.
Table 2. Models
Model
Node
bays
CMM
(2 max)
FSM
(1 max)
I/O bays
Power
supplies
(6 max)
40mm fans
(2 max)
80mm fan
(8 max =
4 pairs)
Console
breakout
cable
8721-A1x
14
1
Optional
4
2x 2500W
2
4 (2 pairs)
1
8721-K1G*
14
1
Optional
4
2x 2500W
2
4 (2 pairs)
1
8721-LRx
14
1
Optional
4
2x 2100W
2
4 (2 pairs)
1
8721-DCx
14
1
Optional
4
2x 2500W
-48V DC
2
4 (2 pairs)
1
* K1G is an Express Model for Europe
IBM Flex System Enterprise Chassis
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Supported compute nodes
The following table lists the compute nodes that are supported in the IBM Flex System Enterprise
Chassis. The table also lists the maximum number installable.
Table 2. Supported compute nodes and maximum quantities
Description
Machine type
Maximum number of
nodes per chassis*
IBM Flex System x220 Compute Node
7906
14
IBM Flex System x222 Compute Node
7916
14
IBM Flex System x240 Compute Node
8737
14
IBM Flex System x440 Compute Node
7917
7
IBM Flex System x280 X6 Compute Node
7903
7
IBM Flex System x480 X6 Compute Node
7903
7
IBM Flex System x880 X6 Compute Node
7903
7
IBM Flex System p24L Compute Node
1457
14
IBM Flex System p260 Compute Node
7895-22X
14
IBM Flex System p270 Compute Node
7954-24X
14
IBM Flex System p460 Compute Node
7895-42X
7
IBM Flex System Manager Node
8731-A1x
1 (2 per 16 chassis)
* The actual number of compute nodes systems that can be powered on in a chassis depends on these
factors:




The TDP power rating for the processors that are installed in the compute nodes (x86 servers)
The number of power supplies installed in the chassis
The capacity of the power supplies installed in the chassis (2100 W or 2500 W)
The power redundancy policy used in the chassis (N+1 or N+N)
For the x480 X6 or x880 X6, if two compute nodes are scaled together, then a maximum of 3 scaled
complexes can be installed. For the x880 X6, if four compute nodes are scaled together, then a maximum
of 1 scaled x880 X6 complexes can be installed. Other bays can be filled with other compute nodes.
The table in the Power Supplies section provides guidelines about what number of compute nodes can be
powered on in the IBM Flex System Enterprise Chassis, based on the type and number of power supplies
installed.
See IBM® ServerProven® at the following web address for the latest information about the servers
supported in the IBM Flex System Enterprise Chassis:
http://ibm.com/servers/eserver/serverproven/compat/us/
IBM Flex System Enterprise Chassis
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Supported I/O modules
The IBM Flex System Enterprise Chassis has four high-speed switch bays that are capable of supporting
a variety of I/O architectures.
The switches are installed in switch bays in the rear of the IBM Flex System Enterprise Chassis as shown
in the following figure. Switches are normally installed in pairs (bays 1 & 2, and bays 3 & 4), because I/O
adapter cards installed in the compute nodes route to two switch bays for performance and redundancy.
Figure 4. Location of the switch bays in the IBM Flex System Enterprise Chassis
The following figure shows one of the available switches, the IBM Flex System Fabric EN4093 10Gb
Scalable Switch. It offers the following interface ports:



Up to 42 internal 10Gb ports, three to each half-wide compute node bay (not shown in the figure)
Up to 14 external 10Gb ports with SFP+ connectors (license upgrades enable all ports)
Up to 2 external 40Gb uplink ports with QSFP+ connectors (license upgrades enable these ports)
Figure 5. IBM Flex System Fabric EN4093 10Gb Scalable Switch
IBM Flex System Enterprise Chassis
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The following table lists the switches that are available for the chassis.
Table 3. I/O modules and upgrades
Part number
System x
feature code
Power Systems
feature code
(7893-92X)
IBM Flex System EN2092 1Gb Ethernet Scalable Switch
49Y4294
A0TF
3598
IBM Flex System EN4091 10Gb Ethernet Pass-thru
88Y6043
A1QV
3700
IBM Flex System Fabric CN4093 10Gb Converged
Scalable Switch
00D5823
A3HH
ESW2
IBM Flex System Fabric EN4093R 10Gb Scalable Switch
95Y3309
A3J6
ESW7
IBM Flex System Fabric EN4093 10Gb Scalable Switch
49Y4270
A0TB
3593
IBM Flex System Fabric SI4093 System Interconnect
Module
95Y3313
A45T
ESWA
Cisco Nexus B22 Fabric Extender for IBM Flex System
94Y5350
ESWB
ESWB
IBM Flex System EN4023 10Gb Scalable Switch
94Y5212
ESWD
ESWD
IBM Flex System EN6131 40Gb Ethernet Switch
90Y9346
A3HJ
ESW6
IBM Flex System FC5022 16Gb SAN Scalable Switch
88Y6374
A1EH
3770
IBM Flex System FC5022 24-port 16Gb SAN Scalable
Switch
00Y3324
A3DP
ESW5
IBM Flex System FC5022 24-port 16Gb ESB SAN
Scalable Switch
90Y9356
A1EJ
3771
IBM Flex System FC3171 8Gb SAN Switch
69Y1930
A0TD
3595
IBM Flex System FC3171 8Gb SAN Pass-thru
69Y1934
A0TJ
3591
90Y3450
A1EK
3699
Description
Ethernet switches
Fibre Channel switches
InfiniBand switches
IBM Flex System IB6131 InfiniBand Switch (QDR/FDR)
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I/O architecture
Each half-wide compute node (such as the IBM Flex System x240 Compute Node) has two adapter slots,
and each full-wide compute node (such as the IBM Flex System x460 Compute Node) has four adapter
slots. The adapter slots in each compute node route through the chassis midplane to the switch bays. The
architecture supports up to eight ports per adapter although currently only two-port and four-port adapters
are available.
The following figure shows how two-port adapters are connected to switches installed in the chassis.
Figure 6. Logical layout of the interconnects between two-port I/O adapters and I/O modules
IBM Flex System Enterprise Chassis
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A four-port adapter doubles the connections between each adapter and switch pair (for example, a
four-port adapter in A1 in each compute node routes two connections to switch 1 and two connections to
switch 2).
The following figure shows how four-port adapters are connected to switches that are installed in the
chassis.
Figure 7. Logical layout of the inter-connections between four-port I/O adapters and I/O modules
To make use of all four ports of a four-port card, you must install two switches in the chassis, and each
switch must have 28 internal ports enabled. The IBM Flex System Fabric EN4093 10Gb Scalable Switch
with license upgrade 1 enables 28 internal ports, for example. Similarly, when 6-port cards become
available, two switches must be installed, and 42 internal ports must be enabled. The IBM Flex System
Fabric EN4093 10Gb Scalable Switch with license upgrade 2 enables a total of 42 internal ports, for
example.
IBM Flex System Enterprise Chassis
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The following table shows the connections between adapter slots in the compute nodes to the switch bays
in the chassis.
Table 4. Adapter to I/O bay correspondence
I/O adapter slot
in the server
Slot 1
Slot 2
Slot 3
(full-wide compute nodes only)
Slot 4
(full-wide compute nodes only)
Port on the adapter
Corresponding I/O module bay
in the chassis
Port 1
Module bay 1
Port 2
Module bay 2
Port 3 (for 4-port cards)*
Module bay 1
Port 4 (for 4-port cards)*
Module bay 2
Port 1
Module bay 3
Port 2
Module bay 4
Port 3 (for 4-port cards)*
Module bay 3
Port 4 (for 4-port cards)*
Module bay 4
Port 1
Module bay 1
Port 2
Module bay 2
Port 3 (for 4-port cards)*
Module bay 1
Port 4 (for 4-port cards)*
Module bay 2
Port 1
Module bay 3
Port 2
Module bay 4
Port 3 (for 4-port cards)*
Module bay 3
Port 4 (for 4-port cards)*
Module bay 4
* To make use of all four ports of a four-port adapter, the switch must have 28 internal ports enabled, and two
switches must be installed in the bays as indicated.
Chassis Management Module
The Chassis Management Module (CMM) provides single-chassis management. The CMM is used to
communicate with the management controller in each compute node (IMMv2 in Intel processor-based
compute nodes and FSP in POWER7® processor-based compute nodes) to provide system monitoring,
event recording and alerts, and to manage the chassis, its devices, and the compute nodes.
The chassis has one CMM installed standard but supports two CMMs for redundancy. If one CMM fails,
the second CMM can detect its inactivity and activate itself to take control of the system without any
disruption. The CMM is central to the management of the chassis and is required in the Enterprise
Chassis.
The following table shows the ordering information.
Table 5. Chassis Management Module
Part
number
Feature codes
first / second
Description
Standard /
Maximum
68Y7030
A0TM / A0UE
IBM Flex System Chassis Management Module
1/2
IBM Flex System Enterprise Chassis
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The following figure shows the Chassis Management Module. See Figure 3 for the location of the CMM in
the chassis.
Figure 8. Chassis Management Module
The CMM provides these functions:












Power control
Fan management
Chassis and compute node initialization
Switch management
Diagnostics: chassis, I/O options, and compute nodes
Resource discovery and inventory management
Resource alerts and monitoring management
Chassis and compute node power management
Security policy management
Role-based access control
Support for up to 84 local CMM user accounts
Support for up to 32 simultaneous sessions
The CMM has the following connectors:

USB connection. This connection can be used for insertion of a USB media key for tasks, such as
firmware updates.

10/100/1000 Mbps RJ45 Ethernet connection to connect to a management network. The CMM can be
managed via this Ethernet port.

Serial port (mini-USB) for local command-line interface (CLI) management. Use serial cable 90Y9338
for connectivity.
The CMM has the following light-emitting diodes (LEDs) that provide the following information:




Power-on LED
Activity LED
Error LED
Ethernet port link and port activity LEDs
IBM Flex System Enterprise Chassis
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The CMM also incorporates a reset button, which, when pressed, resets the CMM back to its default
condition. It has two functions, depending on how long the button is pressed:


When pressed for less than 5 seconds, the CMM restarts.
When pressed for more than 5 seconds (for example, 10 or 15 seconds), the CMM configuration is
reset to the manufacturing defaults, and then the CMM restarts.
The CMM supports a web-based graphical user interface (GUI) that provides a way to perform CMM
functions within a supported web browser. You can also perform management functions through the CMM
command-line interface (CLI). Both the web-based GUI and the CLI are accessible via the single RJ45
Ethernet connector on the CMM or from any other system that is connected to the same (management)
network.
The CMM has the following default static IPv4 address. By default, the CMM is configured to respond to
Dynamic Host Configuration Protocol (DHCP) first before using its static IPv4 address:




IP address: 192.168.70.100
Subnet: 255.255.255.0
User ID: USERID (all capital letters)
Password: PASSW0RD (all capital letters, with a zero instead of the letter O)
The CMM does not have a fixed static IPv6 IP address, by default. Initial access to the CMM in an IPv6
environment can be performed by either using the IPv4 IP address or the IPv6 link-local address. The
IPv6 link-local address is automatically generated based on the Media Access Control (MAC) address of
the CMM.
The CMM is the key component enabling the integrated management network. Internally, the CMM has a
multiple port L2 1Gigabit Ethernet switch with dedicated links to all 14 node bays, all four switch bays,
and the second CMM, if installed. These connections are all point-to-point, ensuring dedicated bandwidth.
The 1GbE links are full-duplex, fixed speed (not auto-negotiate) links. The 1 GbE management network is
only accessible by each node's management controller (IMMv2 or FSP), each switch module's
management interfaces, the CMM, and the IBM Flex System Manager (FSM) management appliance.
This design permits the separation of the management network from the data network.
The CMM has a high-security policy that is enabled by default, which means that the following policies
are enabled by default:

Strong password policies with automatic validation and verification checks

Required update of the default passwords after the initial setup

Only secure communication protocols, such as SSH and SSL. Unencrypted protocols, such as HTTP,
Telnet, and SNMPv1, are disabled.

Certificates to establish secure, trusted connections for applications that run on the management
processors
IBM Flex System Manager
IBM Flex System Manager (FSM) is a systems management solution that offers flexible integrated
systems management across compute, storage, and networking resources in the IBM Flex System
infrastructure. It is designed to help you get the most out of your IT installation while automating repetitive
tasks. It can significantly reduce the number of manual navigational steps for typical management tasks.
From simplified system setup procedures with wizards and built-in expertise to consolidated monitoring
for all of your physical and virtual resources, FSM provides core management functionality along with
automation so that you can focus your efforts on business innovation.
IBM Flex System Enterprise Chassis
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The IBM Flex System Manager compute node provides configuration and management support locally or
remotely, for up to 16 chassis, their devices, and the compute nodes.
The following figure shows the IBM Flex System Manager.
Figure 9. IBM Flex System Manager
The IBM Flex System Manager drives efficiency and cost savings in the data center. It provides a
pre-integrated and virtualized management environment across servers, storage, and networking that is
easily managed from a single pane of glass. It offers the following key features:

Single focus point for seamless multichassis management provides an instant resource-oriented view
of the chassis and chassis resources for compute nodes.

Design reduces the number of interfaces, steps, and clicks that it takes to manage IT resources.

Capability to intelligently manage and deploy workloads based on resource availability and predefined
policies.

Management of events and alerts to increase system availability and reduce downtime.

It helps to drive energy savings and reduce operational costs.
The IBM Flex System Manager offers these main features:


Monitoring and problem determination:

A real-time multichassis view of hardware components with overlays for additional information

Automatic detection of issues in your environment through an event setup that triggers alerts and
actions

Identification of changes that might affect availability

Server resource utilization by virtual machine or across a rack of systems
Hardware management:

Automated discovery of physical and virtual servers and interconnections, applications, and
supported third-party networking

Inventory of hardware components

Chassis and hardware component views, including hardware properties, component names and
part numbers, firmware levels, energy usage and power consumption, utilization rates, and
temperature readings
IBM Flex System Enterprise Chassis
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
Network management:









Management of network switches
Discovery, inventory, and status monitoring of switches
Graphical network topology views
Support for KVM, pHyp, and VMware virtual switches, and physical switches
Virtual LAN (VLAN) configuration of switches
Integration with server management
Per-virtual machine network usage and performance statistics provided to VMControl
Logical views of servers and network devices grouped by subnet and VLAN
Storage management:
Storage can also be consolidated onto the FSM platform, or users can virtualize the integrated
enterprise storage with other multivendor storage systems within the existing environment, and then
control all virtualized storage resources from the IBM Flex System platform.

Virtualization and workload management:








Consolidate physical infrastructure or applications onto fewer servers
Deploy new or existing workload onto Linux, Microsoft Windows, or competitive platforms
Upgrade current rack or blade infrastructure to an integrated environment
Optimize the performance of applications by migrating them to Flex System Manager
Move into advanced stages of virtualization or a private cloud deployment
Deploy new workloads rapidly
Optimize or upgrade high-value, noninfrastructure workloads, such as enterprise resource
planning (ERP), customer relationship management (CRM), data warehousing, or analytics
Additional features:

Resource-oriented chassis map provides instant graphical view of chassis resources, including
nodes and I/O modules

Remote console, including remote keyboard, video, mouse (KVM) session, remotely mounted
optical and USB media, and remote power control

Hardware detection and inventory creation

Firmware compliance and updates

Automatic detection of hardware failures and alerting. Capability to take corrective action,
including automatically notifying IBM of problems to escalate problem determination

Health status, such as CPU utilization, on all hardware devices from a single chassis view

Administrative capabilities, such as setting up users within profile groups, assigning security
levels, and security governance
IBM Flex System Enterprise Chassis
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Power supplies
A maximum of six power supplies can be installed in the Enterprise Chassis. Either 2500W or 2100W
power supplies are available. Two 2500W power supplies are standard in model 8721-A1x. Two 2100W
power supplies are standard in model LRx. Additional power supplies are orderable per the following
table. All installed power supplies must be the same.
Table 6. Ordering part number and feature code
Description
Part number System x
Feature code
Power
Systems
Feature code
(7893-92X)
IBM Flex System Enterprise Chassis 2500W Power Module
(1 power supply)
43W9049
A0UC
3590
IBM Flex System Enterprise Chassis 2100W Power Module
(1 power supply)
47C7633
A3JH
None
IBM Flex System Enterprise Chassis HVDC 2500W Power Module 00AM765
EPA9
EPA9
IBM Flex System Enterprise Chassis -48V DC 2500W Power
Module
A5VC
None
00FJ635
Each AC power supply part number ships with one 2.0m (6.5 ft) 16A/100-250V, C19 to IEC 320-C20 rack
power cable, feature 6292. Other supported AC line cords including three-way split line cords, are listed in
the following table.
Table 7. Supported AC line cords
Description
Part number
System x
Feature code
4.3m, 16A/208V, C19 to NEMA L6-20P (US) Line Cord
40K9772
6275
2.5m, 16A/100-240V, C19 to IEC 320-C20 Rack Power Cable
39Y7916
6252
2m, 16A/100-250V, C19 to IEC 320-C20 Rack Power Cable
None
6292
4.3m, US/CAN, NEMA L15-30P - (3P+Gnd) to 3X IEC 320 C19
00D7192
A2Y3
4.3m, EMEA/AP, IEC 309 32A (3P+N+Gnd) to 3X IEC 320 C19
00D7193
A2Y4
4.3m, A/NZ, (PDL/Clipsal) 32A (3P+N+Gnd) to 3X IEC 320 C19
00D7194
A2Y5
The 2500W HVDC power supply operates at either 240V DC or 380V DC (192V - 400V input range). The
power supply has a Rong-Feng RF-203P connector. The power supply includes a 2.5m DC power cord
(SBB part number 00Y9100).
The -48V DC power supply operates at -48V to -60 V dc (nominal) and has a Molex 1060 Power
Connector. The power supply ships with one 2.0m DC power cord (FRU part number 69Y1652)
The following figure shows the power supply and highlights the light-emitting diodes (LEDs).
IBM Flex System Enterprise Chassis
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Figure 10. Power supply option
Both power supplies are 80 PLUS Platinum-certified. The 2500W modules are 2500 Watts output rated at
200VAC to 208VAC (nominal), and 2750W at 220VAC to 240VAC (nominal). The power supply has an
oversubscription rating of up to 3538 Watts output at 200VAC. The power supply operating range is
200-240 VAC. The power supplies also contain two dual independently powered 40mm cooling fan
modules that are powered not from the power supply itself, but from the chassis midplane. The fan
modules are variable speed and controlled by the chassis fan logic.
The 2100W power supplies are 2100 Watts output power rated at 200-240VAC. Similar to the 2500W
unit, this power supply also supports oversubscription, the 2100W unit can run up to 2895W for short
duration. The 2100W supplies have two independently powered dual 40mm cooling fans, that pick up
power from the midplane included within the power supply assembly.
80 PLUS is a performance specification for power supplies used within servers and computers. To meet
the 80 PLUS standard, the power supply must have an efficiency of 80% or greater, at 20%, 50%, and
100% of rated load with PF of .09 or greater. The standard has several grades, such as Bronze, Silver,
Gold, and Platinum. More information on 80 PLUS is available at http://www.80PLUS.org.
The chassis allows configurations of power supplies to give N+N or N+1 redundancy. A chassis can
operate on only three power-supply units (PSUs) with no redundancy, but N+1 or N+N is advised. Three
power supplies (or six with N+N redundancy) allow for a balanced three-phase configuration.
All power supply modules are combined into a single power domain within the chassis, which distributes
power to each of the compute nodes, I/O modules, and ancillary components through the Enterprise
Chassis midplane. The midplane is a highly reliable design with no active components. Each power
supply is designed to provide fault isolation and is hot swappable.
In the case of the 2500W supplies, power monitoring of both the DC and AC signals allows the Chassis
Management Module to accurately monitor the power supplies. Power monitoring with the 2100W power
supplies is currently not supported.
The following figure shows the compute node bay numbering (left) and power supply bay numbering
(right).
IBM Flex System Enterprise Chassis
17
Figure 11. Power supply bay numbering
The following table shows the number of compute nodes that are supported in the chassis based on the
power supplies used (2100W or 2500W), the number of power supplies installed, and the power
redundancy policy enabled (N+1 or N+N).
In this table, the colors of the cells have the following meaning:


Green cell: Supported with no restrictions as to the number of compute nodes that can be installed
Yellow cell: Supported but with restrictions on the number of compute nodes that can be installed.
Note: These tables assume the chassis is filled with idential compute nodes. For more complex
configurations, use the Power Configurator:
http://ibm.com/systems/bladecenter/resources/powerconfig.html
IBM Flex System Enterprise Chassis
18
Table 8. Specific number of compute nodes supported based on installed power supplies
Node CPU
TDP
2100W power supplies
2500W power supplies
N+1, N=5
6 total
N+1, N=4
5 total
N+1, N=3
4 total
N+N, N=3
6 total
N+1, N=5
6 total
N+1, N=4
5 total
N+1, N=3
4 total
N+N, N=3
6 total
60 W
14
14
14
14
14
14
14
14
70 W
14
14
13
14
14
14
14
14
80 W
14
14
13
13
14
14
14
14
95 W
14
14
12
12
14
14
14
14
115 W 14
14
11
12
14
14
14
14
130 W 14
14
11
11
14
14
13
14
135 W 14
14
10
11
14
14
13
14
95 W
7
7
6
6
7
7
7
7
115 W 7
7
5
6
7
7
7
7
130 W 7
7
5
5
7
7
6
7
p24L
All
14
12
9
10
14
14
12
13
p260
All
14
12
9
10
14
14
12
13
p270
All
14
12
9
9
14
14
12
12
p460
All
7
6
4
5
7
7
6
6
x220
50 W
14
14
14
14
14
14
14
14
60 W
14
14
14
14
14
14
14
14
70 W
14
14
14
14
14
14
14
14
80 W
14
14
14
14
14
14
14
14
95 W
14
14
14
14
14
14
14
14
50 W
14
14
13
14
14
14
14
14
60 W
14
14
12
13
14
14
14
14
70 W
14
14
11
12
14
14
14
14
80 W
14
14
10
11
14
14
13
14
95 W
14
13
9
10
14
14
12
13
x240
x440
x222
IBM Flex System Enterprise Chassis
19
Fan modules
The Enterprise Chassis supports up to a total of ten hot-swap fan modules: two 40 mm (1.57 in) fan
modules and eight 80 mm (3.14 in) fan modules.
The two 40 mm fan modules distribute airflow to the I/O modules and chassis management modules.
Both of these fan modules ship with the chassis. The 80 mm fan modules distribute airflow to the compute
nodes through the chassis from front to rear. Each 80 mm fan module actually contains two 80 mm fan
modules, back to back at each end of the module, which are counter-rotating. The following figure shows
the 80 mm fan module.
Figure 12. 80 mm fan module
IBM Flex System Enterprise Chassis
20
Four 80 mm fan modules are installed standard in chassis model 8721-A1x and CTO orders. The
maximum number of 80 mm fan modules that can be installed is eight. Ordering information is shown in
the following table. When the modules are ordered as a part number, they are supplied as a pair. Feature
codes are for one fan.
Table 9. Fan module ordering information
Description
Part number
System x
Feature code
Power Systems
Feature code
IBM Flex System Enterprise Chassis 80mm Fan Module
43W9078
(2 fan modules)
A0UA
(1 fan module)
7805
(1 fan module)
The 80 mm fan modules are populated, depending on the nodes installed. To support the base
configuration and up to four nodes, chassis model 8721-A1x ships with four 80 mm fan modules and two
40 mm fan modules preinstalled. There are two cooling zones for the nodes: a left zone and a right zone.
Fan modules must be installed in pairs as shown in the following figure. If there are insufficient fan
modules for the number of nodes installed, the compute nodes might be throttled to balance heat
generation and cooling capacity.
Figure 13. Fan module locations and cooling zones
The 40 mm fan modules are always required. Additional 80 mm fan modules are required as listed in the
following table.
Table 10. 80 mm fan module requirements
Description
80 mm fan module requirements
Up to four half-wide compute nodes (node bays 1 - 4)
4 fan modules (fan bays 1, 2, and 6, 7)
Up to eight half-wide compute nodes (node bays 1 - 8)
6 fan modules (fan bays 1, 2, 3 and 6, 7, 8)
All 14 compute node bays (node bays 1 - 14)
8 fan modules (fan bays 1, 2, 3, 4 and 6, 7, 8, 9)
IBM Flex System Enterprise Chassis
21
Physical specifications
Dimensions:




Height: 440 mm (17.3 inches)
Width: 447 mm (17.6 in)
Depth, measured from front bezel to rear of chassis: 800 mm (31.5 in)
Depth, measured from node latch handle to the power supply handle: 840 mm (33.1 in)
Weight:


Minimum configuration: 96.62 kg (213 lb)
Maximum configuration: 220.45 kg (486 lb)
Shipping dimensions (approximate):



Height: 81 cm (32 in)
Length: 102 cm (40 in)
Width: 71 cm (24 in)
Supported environment
The IBM Flex System Enterprise Chassis complies with ASHRAE Class A3 specifications.
The following environment is the supported operating environment.
Temperature:


0 - 914 m (0 - 3,000 ft): 5 - 40 °C (41 - 104 °F)
914 m - 3048 m (3,000 - 10,000 ft): The maximum ambient temperature drops 1 °C for every
additional 178 m (584 ft) increase in altitude until the maximum temperature is 28 °C at 3,048 m
(10,000 ft)
Relative humidity: 8% - 85%
Maximum altitude: 3,048 m (10,000 ft)
Electrical power:



200 - 240 V ac (nominal), 50 or 60 Hz
Minimum configuration: 0.51 kVA (two power supplies)
Maximum configuration: 13 kVA (six power supplies)
Power consumption: 12,900 watts maximum
Thermal output, full configuration - 12,900 watts (43,900 Btu/hr)
Acoustical noise emissions for Flex Chassis:


7.5 bels operating
7.5 bels idling
The noise emission level stated is the declared (upper limit) sound power level, in bels, for a random
sample of machines. All measurements are made in accordance with ISO 7779 and reported in
conformance with ISO 9296.
IBM Flex System Enterprise Chassis
22
Warranty options
The IBM Flex System Enterprise Chassis has a three-year on-site warranty with 9x5 next-business-day
terms. IBM offers the warranty service upgrades through IBM ServicePac®, discussed in this section. The
IBM ServicePac is a series of prepackaged warranty maintenance upgrades and post-warranty
maintenance agreements with a well-defined scope of services, including service hours, response time,
term of service, and service agreement terms and conditions.
IBM ServicePac offerings are country-specific. That is, each country might have its own service types,
service levels, response times, and terms and conditions. Not all covered types of ServicePac might be
available in a particular country. For more information about IBM ServicePac offerings available in your
country, see the IBM ServicePac Product Selector at
https://www-304.ibm.com/sales/gss/download/spst/servicepac.
The following table explains warranty service definitions in more detail.
Table 11. Warranty service definitions
Term
Description
IBM on-site
repair (IOR)
A service technician will come to the server's location for equipment repair.
24x7x2 hour
A service technician is scheduled to arrive at your client’s location within two hours after remote
problem determination is completed. We provide 24-hour service, every day, including IBM
holidays.
24x7x4 hour
A service technician is scheduled to arrive at your client’s location within four hours after remote
problem determination is completed. We provide 24-hour service, every day, including IBM
holidays.
9x5x4 hour
A service technician is scheduled to arrive at your client’s location within four business hours after
remote problem determination is completed. We provide service from 8:00 a.m. to 5:00 p.m. in the
client's local time zone, Monday through Friday, excluding IBM holidays. If after 1:00 p.m., it is
determined that on-site service is required, the client can expect the service technician to arrive the
morning of the following business day. For noncritical service requests, a service technician will
arrive by the end of the following business day.
9x5 next
business day
A service technician is scheduled to arrive at your client’s location on the business day after we
receive your call, following remote problem determination. We provide service from 8:00 a.m. to
5:00 p.m. in the client's local time zone, Monday through Friday, excluding IBM holidays.
In general, the following types are the types of IBM ServicePacs:

Warranty and maintenance service upgrades:




One, two, three, four, or five years of 9x5 or 24x7 service coverage
On-site repair from the next business day to four or two hours
One or two years of warranty extension
Remote technical support services:




One or three years with 24x7 coverage (severity 1) or 9 - 5 next business day for all severities
Installation and start-up support for System x servers
Remote technical support for System x servers
Software support - Support Line:



Microsoft or Linux software
VMware
IBM Systems Director
IBM Flex System Enterprise Chassis
23
Regulatory compliance
The server conforms to the following standards:

ASHRAE Class A3

FCC - Verified to comply with Part 15 of the FCC Rules Class A

Canada ICES-004, issue 3 Class A

UL/IEC 60950-1

CSA C22.2 No. 60950-1

NOM-019

Argentina IEC 60950-1

Japan VCCI, Class A

IEC 60950-1 (CB Certificate and CB Test Report)

China CCC (GB4943); (GB9254, Class A); (GB17625.1)

Taiwan BSMI CNS13438, Class A; CNS14336

Australia/New Zealand AS/NZS CISPR 22, Class A

Korea KN22, Class A, KN24

Russia/GOST ME01, IEC 60950-1, GOST R 51318.22, GOST R 51318.249, GOST R 51317.3.2,
GOST R 51317.3.3

CE Mark (EN55022 Class A, EN60950-1, EN55024, EN61000-3-2, EN61000-3-3)

CISPR 22, Class A

TUV-GS (EN60950-1/IEC 60950-1, EK1-ITB2000)
IBM Flex System Enterprise Chassis
24
External disk storage systems
The following options are available for attaching external storage systems to Enterprise Chassis:






IBM Storwize® V7000
IBM XIV® Storage System series
IBM System Storage® DS8000® series
IBM System Storage DS5000 series
IBM System Storage DS3000 series
IBM System Storage N series
The IBM Storwize V7000 is an ideal storage offering for IBM Flex System configurations. Storwize V7000
is an innovative storage offering that delivers essential storage efficiency technologies and exceptional
ease of use and performance – all integrated into a compact, modular design.
The Storwize V7000 offers the following capabilities:



Enables rapid, flexible provisioning and simple configuration changes
Enables nondisruptive movement of data among tiers of storage, including Easy Tier®
Enables data placement optimization to improve performance
The most important aspect of the Storwize V7000 and its use with the IBM Flex System Enterprise
Chassis is that Storwize V7000 can virtualize external storage:

Capacity from existing storage systems becomes part of the IBM storage system

Single-user interface to manage all storage, regardless of vendor: Designed to significantly improve
productivity

Virtualized storage inherits all the rich base-system functions, including FlashCopy®, Easy Tier, and
thin provisioning

Movement of data transparently between external storage and the IBM storage system

Extension of product life and enhanced value of existing storage assets
Storwize V7000 offers thin provisioning, FlashCopy, Easy Tier, performance management, and
optimization. External virtualization allows for rapid data center integration into existing IT infrastructures.
The Metro/Global Mirroring option provides support for multiple-site recovery.
Figure 14. IBM Storwize V7000
IBM Flex System Enterprise Chassis
25
Top-of-rack Ethernet switches
For enterprise-class installations with multiple IBM Flex System Enterprise Chassis configurations, a
top-of-rack Ethernet switch from IBM System Networking provides the necessary level of networking
between racks of systems and the rest of your production network. The following table lists the available
top-of-rack switches.
Table 12. IBM System Networking - Top-of-rack switches
Part number
Description
IBM System Networking - 1 Gb top-of-rack switches
7309BAX
IBM System Networking RackSwitch G7028 (24 ports)
7309CAX
IBM System Networking RackSwitch G7028 (48 ports)
0446013
IBM System Networking RackSwitch G8000R
7309CFC
IBM System Networking RackSwitch G8000F
7309G52
IBM System Networking RackSwitch G8052R
730952F
IBM System Networking RackSwitch G8052F
IBM System Networking - 10 Gb top-of-rack switches
7309DRX
IBM System Networking RackSwitch G8264CS (Rear to Front)
7309DFX
IBM System Networking RackSwitch G8264CS (Front to Rear)
7309BR6
IBM System Networking RackSwitch G8124ER
7309BF7
IBM System Networking RackSwitch G8124EF
7309G64
IBM System Networking RackSwitch G8264R
730964F
IBM System Networking RackSwitch G8264F
7309CR9
IBM System Networking RackSwitch G8264TR
7309CF9
IBM System Networking RackSwitch G8264TF
IBM System Networking - 40 Gb top-of-rack switches
8036BRX
IBM System Networking RackSwitch G8332 (Rear to Front)
8036BFX
IBM System Networking RackSwitch G8332 (Front to Rear)
8036ARX
IBM System Networking RackSwitch G8316R
8036AFX
IBM System Networking RackSwitch G8316F
IBM Flex System Enterprise Chassis
26
Power distribution units
Power planning for an IBM Flex System Enterprise Chassis is essential.
The Enterprise Chassis has a maximum of six power supplies installed. So, careful consideration must be
given to providing the best power-optimized source. Both N+N and N+1 configurations are supported for
maximum flexibility in power redundancy. Each AC power supply in the chassis has a 16A C20 three-pin
socket and can be fed by a C19 power cable, from a suitable supply.
The chassis has the ability to accommodate a maximum of six power supplies, so it is possible to balance
a three-phase power input into a single chassis or a group of chassis. The chassis power system is
designed for efficiency using data center power consisting of three-phase, 60A Delta 200 VAC (North
America) or three-phase 32A wye 380-415 VAC (international). The chassis can also be fed from
single-phase 200 - 240VAC supplies, if required.
For further details, see the IBM Flex System Enterprise Chassis Power Requirements Guide, available
from: http://ibm.com/systems/bladecenter/resources/powerconfig.html
The chassis supports attachments to the power distribution units (PDUs) that are listed in the following
table.
Table 13. Power distribution units
Part number
Description
Switched and monitored AC PDUs
46M4002
IBM 1U 9 C19/3 C13 Active Energy Manager DPI® PDU
46M4003
IBM 1U 9 C19/3 C13 Active Energy Manager 60A 3 Phase PDU
46M4167
IBM 1U 9 C19/3 C13 Switched and Monitored 30A 3 Phase PDU
46M4134
IBM 0U 12 C19/12 C13 Switched and Monitored 50A 3 Phase PDU
46M4140
IBM 0U 12 C19/12 C13 50A 3 Phase PDU
Enterprise AC PDUs
71762MX
IBM Ultra Density Enterprise PDU C19 PDU+ (WW)
71762NX
IBM Ultra Density Enterprise PDU C19 PDU (WW)
71763MU
IBM Ultra Density Enterprise PDU C19 3 phase 60A PDU+ (NA)
71763NU
IBM Ultra Density Enterprise PDU C19 3 phase 60A PDU (NA)
39Y8923
DPI 60A Three Phase C19 Enterprise PDU with IEC309 3P+G (208 V) fixed line cord
39Y8948
DPI Single Phase C19 Enterprise PDU without line cord
Front-end AC PDUs
39Y8934
DPI 32amp/250V Front-end PDU with IEC 309 2P+Gnd connector
39Y8938
30amp/125V Front-end PDU with NEMA L5-30P connector
39Y8939
30amp/250V Front-end PDU with NEMA L6-30P connector
39Y8940
60amp/250V Front-end PDU with IEC 309 60A 2P+N+Gnd connector
DC PDUs
44T0966
IBM 1U Higher Voltage DC PDU (240V/380V)
IBM Flex System Enterprise Chassis
27
Uninterruptible power supply units
The IBM Flex System Enterprise Chassis supports attachments to the uninterruptible power supply units
listed in the following table.
Table 14. Uninterruptible power supply units
Part number
Description
21303RX
IBM Uninterruptible Power Supply 7500XHV
21304RX
IBM Uninterruptible Power Supply 10000XHV
53956AX
IBM 6000VA LCD 4U Rack Uninterruptible Power Supply (200 V/208 V)
53956KX
IBM 6000VA LCD 4U Rack Uninterruptible Power Supply (230 V)
53959KX
IBM 11000VA LCD 5U Rack Uninterruptible Power Supply (230V)
For more information, see the following IBM Redbooks® Product Guides:

IBM 6000VA LCD 4U Rack Uninterruptible Power Supply
http://www.redbooks.ibm.com/abstracts/tips0793.html?Open

IBM 11000VA LCD 5U Rack Uninterruptible Power Supply
http://www.redbooks.ibm.com/abstracts/tips0814.html?Open
IBM Flex System Enterprise Chassis
28
Rack cabinets
The IBM Flex System Enterprise Chassis is supported in the rack cabinets as listed in the following table.
The suggested rack for IBM Flex System is the IBM 42U 1100 mm Enterprise V2 Deep Dynamic Rack,
93634PX.
Table 15. Rack cabinets
Part
number
Feature
code
Rack cabinet
Supported
93634PX
A1RC
IBM 42U 1100 mm Enterprise V2 Deep Dynamic Rack
Recommended
93634EX
A1RD
IBM 42U 1100 mm Dynamic Enterprise V2 Expansion Rack
Recommended
93634CX
A3GR
IBM PureFlex System 42U Rack
Recommended
93634DX
A3GS
IBM PureFlex System 42U Expansion Rack
Recommended
93634AX
A31F
IBM PureFlex System 42U Rack
Recommended
93634BX
A31G
IBM PureFlex System 42U Expansion Rack
Recommended
201886X
2731
IBM 11U Office Enablement Kit
Yes*
93072PX
6690
IBM S2 25U Static Standard Rack
Yes
93072RX
1042
IBM S2 25U Dynamic Standard Rack
Yes
93074RX
1043
IBM S2 42U Standard Rack
Yes
99564RX
5629
IBM S2 42U Dynamic Standard Rack
Yes
99564XX
5631
IBM S2 42U Dynamic Standard Expansion Rack
Yes
93084PX
5621
IBM 42U Enterprise Rack
Yes
93084EX
5622
IBM 42U Enterprise Expansion Rack
Yes
93604PX
7649
IBM 42U 1200 mm Deep Dynamic Rack
Yes
93604EX
7650
IBM 42U 1200 mm Deep Dynamic Expansion Rack
Yes
93614PX
7651
IBM 42U 1200 mm Deep Static Rack
Yes
93614EX
7652
IBM 42U 1200 mm Deep Static Expansion Rack
Yes
93624PX
7653
IBM 47U 1200 mm Deep Static Rack
Yes
93624EX
7654
IBM 47U 1200 mm Deep Static Expansion Rack
Yes
14102RX
1047
IBM eServer™ Cluster 25U Rack
Yes
14104RX
1048
IBM Linux Cluster 42U Rack
Yes
9306-900
None
IBM Netfinity® Rack
No
9306-910
None
IBM Netfinity Rack
No
9306-42P
None
IBM Netfinity Enterprise Rack
No
9306-42X
None
IBM Netfinity Enterprise Rack Expansion Cabinet
No
9306-200
None
IBM Netfinity NetBAY 22
No
* This Office Enablement kit is specifically designed for the IBM BladeCenter S Chassis. The Flex System Enterprise
Chassis can be installed in this kit with 1U of space remaining, however the noise generated by the chassis may not
be acceptable for office use.
IBM Flex System Enterprise Chassis
29
Rack options
The server supports the rack console switches and monitor kits listed in the following table.
Table 16. Rack options
Part number
Feature code
Description
Monitor kits and keyboard trays
17238BX
1723HC1 fc A3EK
IBM 1U 18.5" Standard Console
17238EX
1723HC1 fc A3EL
IBM 1U 18.5" Enhanced Media Console
172317X
1723HC1 fc 0051
1U 17in Flat Panel Console Kit
172319X
1723HC1 fc 0052
1U 19in Flat Panel Console Kit
3858D3X
3858HC1 fc A4X1
Avocent Universal Management Gateway 6000 for IBM
1754D2X
1754HC2 fc 6695
IBM Global 4x2x32 Console Manager (GCM32)
1754D1X
1754HC1 fc 6694
IBM Global 2x2x16 Console Manager (GCM16)
1754A2X
1754HC4 fc 0726
IBM Local 2x16 Console Manager (LCM16)
1754A1X
1754HC3 fc 0725
IBM Local 1x8 Console Manager (LCM8)
00AK142
A4X4
UM KVM Module VGA+SD Dual RJ45
43V6147
3757
IBM Single Cable USB Conversion Option (UCO)
39M2895
3756
IBM USB Conversion Option (4 Pack UCO)
39M2897
3754
IBM Long KVM Conversion Option (4 Pack Long KCO)
46M5383
5341
IBM Virtual Media Conversion Option Gen2 (VCO2)
46M5382
5340
IBM Serial Conversion Option (SCO)
Console switches
Console cables
For more information, see the following IBM Redbooks Product Guides:

IBM 1754 LCM8 and LCM16 Local Console Managers
http://www.redbooks.ibm.com/abstracts/tips0788.html

IBM GCM16 and GCM32 Global Console Managers
http://www.redbooks.ibm.com/abstracts/tips0772.html

IBM 1U 17-inch and 19-inch Flat Panel Console Kits
http://www.redbooks.ibm.com/abstracts/tips0731.html?Open
IBM Flex System Enterprise Chassis
30
IBM Global Financing
IBM Global Financing can help you obtain the IT solution you need while preserving funding for other
strategic investments and optimizing cash flow. Our Fair Market Value (FMV) lease helps ensure that you
have the latest IBM technology and with our mid-lease upgrade capability, you can increase the capacity
of the system with little to no change in monthly payments. At the end of the lease, take advantage of our
flexible end-of-lease options to fit your changing business needs. IBM Global Financing has the breadth
and depth of offerings, longevity, proven success, and global reach to help you develop a robust financing
and asset management strategy that provides you the opportunity to use new technologies and turn your
ambitious vision into a tangible solution.
Here are several other reasons why working with us makes solid financial sense:

Expand your purchasing power—Affordable monthly payments allow you to change the technology
acquisition discussion from "what can I afford right now" to "what solution is really right for my
business." IBM Global Financing allows you to expand your purchase power to get you the right
solution.

Accelerate your project’s cash flow break-even point—Acquire your IBM technology today and begin to
realize its benefits now. An FMV lease can help you get the solution you need now, with low monthly
payments that better align up-front costs with the anticipated return on investment from the
technology.

Easy to acquire with affordable rates—We offer one-stop shopping for a total IT solution, so you can
acquire IBM hardware, software, services, and the financing you need—from one IT provider.
Plus, we provide simple, easy-to-understand contracts and quick approvals. As the world’s largest IT
financing provider, with an asset base of US$35.8 billion and over 125,000 clients, IBM Global Financing
offers highly competitive rates that promote the low total cost of ownership and low monthly payments.
IBM Global Financing operates in more than 50 countries. Go to http://ibm.com/financing for financing
options in your country and to contact a local financing specialist.
IBM Global Financing offerings are provided through IBM Credit LLC in the United States and other IBM
subsidiaries and divisions worldwide to qualified commercial and government clients. Rates and
availability subject to client’s credit rating, financing terms, offering type, equipment, and product type and
options, and may vary by country. Non-hardware items must be one-time, non-recurring charges and are
financed by means of loans. Other restrictions may apply. Rates and offerings are subject to change,
extension, or withdrawal without notice and may not be available in all countries. Please contact your
local IBM Global Financing representative for additional detail.
IBM Flex System Enterprise Chassis
31
Related publications and links
For more information, see the following resources:

IBM Flex System product page
http://ibm.com/systems/flex

IBM US Product Announcement for the IBM Flex System Enterprise Chassis
http://ibm.com/common/ssi/cgi-bin/ssialias?infotype=dd&subtype=ca&&htmlfid=897/ENUS112-053

IBM Flex System Information Center
http://publib.boulder.ibm.com/infocenter/flexsys/information/index.jsp

IBM Flex System Enterprise Chassis Installation and Service Guide
http://publib.boulder.ibm.com/infocenter/flexsys/information/topic/com.ibm.acc.8721.doc/printable_doc.html

ServerProven hardware compatibility page for IBM Flex System
http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/

IBM Flex System Interoperability Guide
http://www.redbooks.ibm.com/fsig

IBM Flex System Enterprise Chassis Power Requirements Guide
http://www.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/PRS4401

IBM Redbooks® publication IBM Flex System Products and Technology, SG24-7984
http://www.redbooks.ibm.com/abstracts/sg247984.html

IBM Redbooks Product Guides for IBM Flex System servers and options
http://www.redbooks.ibm.com/Redbooks.nsf/portals/PureSystems?Open&page=pgbycat

IBM Configurator for e-business (e-config)
http://ibm.com/services/econfig/

IBM System x and Cluster Solutions configurator (x-config)
http://ibm.com/products/hardware/configurator/americas/bhui/asit/

IBM System x Configuration and Options Guide:
http://ibm.com/systems/xbc/cog/

ServerProven for IBM Flex System
http://ibm.com/systems/info/x86servers/serverproven/compat/us/flexsystems.html

IBM System Storage® Interoperation Center
http://www.ibm.com/systems/support/storage/ssic
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Notices
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© Copyright International Business Machines Corporation 2012. All rights reserved.
Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by
GSA ADP Schedule Contract with IBM Corp.
IBM Flex System Enterprise Chassis
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This document was created or updated on September 28, 2014.
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