Use of the Web is changing in fundamental ways, driven by Web 2.0 applications and
the thousands of people who join the global Internet every day through a proliferation
of new interactive devices. The character of applications and services is changing too.
Increasingly, user's don't need to install anything, upgrade anything, license anything,
subscribe to anything, or even buy anything in order to participate and transact. Web
users can even interact directly with content, changing it and improving it. Intellectual
property is shared, rather than locked away, and the most popular services are available
free of charge. Even very small transactions are now encouraged, becoming large in
aggregate. Social networking and other collaborative sites let like-minded people from
around the world share information on enormous range of topics and issues. Business
transactions too are now predominantly Web based.
Serving this dynamic and growing space is becoming very challenging for datacenter
operations. Services need to be able to start small and scale very rapidly, often doubling
capacity every three months even as they remain highly available. Infrastructure must
keep up with these enormous scalability demands, without generating additional
administrative burden. Unfortunately, most datacenters are already severely
constrained by both real estate and power — and energy costs are rising. There is also
a new appreciation for the role that the datacenter plays in reducing energy
consumption and pollution. Virtualization has emerged as an extremely important tool
as organizations seek to consolidate redundant infrastructure, simplify administration,
and leverage under-utilized systems. Security too has never been more important, with
increasing price of data loss and corruption. In addressing these challenges,
organizations can ill afford proprietary infrastructure that imposes arbitrary limitations.
®
Employing the UltraSPARC
system on a Chip (SoC) — Sun SPARC
T2 processor — the industry’s first massively threaded
®
Enterprise T5120 and T5220 servers offer
breakthrough performance and energy efficiency to drive Web 2.0 infrastructure and
address other demanding datacenter challenges. Next-generation CoolThreads
™
chip
multithreading (CMT) technology supports up to 64 threads in as little as one rack unit
(RU) — providing increased computational density while staying within variously
constrained envelopes of power and cooling. Very high levels of integration help reduce
latency, lower costs, and improve security and reliability. Balanced system design
provides support for a wide range of application types — from Web services to high
performance computing (HPC). Uniformity of management interfaces and adoption of
standards helps reduce administrative costs. With both the processor and the Solaris
™
Operating System (Solaris OS) available under open source licensing, organizations are
free to innovate and join with a world-wide technical community.
The Evoluti
Chip Multith
(CMT)
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Chapter 1
The Evolution of Chip Multithreading (CMT)
By any measure, Sun’s first-generation CMT processors were an unprecedented success.
Sun Fire
processor with CoolThreads technology won enthusiastic praise, and generated the
fastest product ramp in Sun’s history. Delivering up to five times the throughput in a
quarter of the space and power, these systems even garnered the first ever rebate from
a power utility
technology is evolving rapidly to meet the constantly changing demands of a wide
range of Web and other applications.
Business Challenges for Web 2.0
Marked by the prevalence of Web services and service-oriented architecture (SOA), the
emerging
bandwidth services to larger numbers of users than ever before. Through this
transition, organizations across many industries hope to address larger markets, reduce
costs, and gain better insights into their customers. At the same time, an increasingly
broad array of wired and wireless client devices are bringing network computing into
the everyday lives of millions of people. These trends are redefining datacenter
scalability and capacity requirements, even as they collide with fundamental real
estate, power, and cooling constraints.
•
™
/ Sun SPARC Enterprise T1000 and T2000 servers based on the UltraSPARC T1
1
— a trend that is being repeated across the world. Now CMT
Participation Age
promises the ability to deliver rich new content and high-
Building out for Web Scale
Web scale applications engender a new pace and urgency to infrastructure
deployment. Organizations must accelerate time to market and time to service,
while delivering scalable high-quality and high-performance applications and
services. Many need to be able to start small with the ability to scale very quickly,
with new customers and innovative new Web services often implying a doubling of
capacity in months rather than years.
At the same time, organizations must reduce their environmental impact by
working within the power, cooling, and space available in their current
datacenters. Operational costs too are receiving new scrutiny, along with system
administrative costs that can account for up to 40 percent of an IT budget.
Simplicity and speed are paramount, giving organizations the ability to respond
quickly to dynamic business conditions. Organizations are also striving to
eliminate vendor lock-in as they look to preserve previous, current, and future
investments. Open platforms built around open standards help provide maximum
flexibility while reducing costs of both entry and exit.
1.In August of 2006, Pacific Gas and Electric (PG&E) began offering a substantial energy rebate for
purchasing and deploying Sun Fire / Sun SPARC Enterprise T1000 and T2000 servers
The Evoluti
Chip Multith
(CMT)
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• Driving Datacenter Virtualization and Eco-Efficiency
Coincident with the need to scale services, many datacenters are recognizing the
advantages of deploying fewer standard platforms to run a mixture of commercial
and technical workloads. This process involves consolidating under-utilized and
often sprawling server infrastructures with effective virtualization solutions that
serve to enhance business agility, improve disaster recovery, and reduce operating
costs. This focus can help reduce energy costs and break through datacenter
capacity constraints by improving the amount of realized performance for each
Single execution unit2 integer execution units per
Accelerated modular
arithmetic operations (RSA)
—Dual 10 Gb Ethernet
core
Stream processing unit per
core, support for the 10 most
popular ciphers
interfaces,
PCI Express interface (x8)
Taking Chip Multithreaded Design to the Next Level
When Sun’s in-house design team set out to design the next-generation of CMT
processors, they started with key goals in mind:
• Increasing computational capabilities to meet the growing demand from Web
applications by providing twice the throughput of the UltraSPARC T1 processor
• Supporting larger and more diverse workloads with greater floating point
performance
• Powering faster networking to serve new network-intensive content
• Providing end-to-end datacenter encryption
• Increasing service levels and reducing downtime
• Improving datacenter capacities while reducing costs
CMT architecture is ultimately very flexible, allowing different modular combinations of
processors, cores, and integrated components. The considerations listed above drove
an internal engineering effort that compared different approaches with regard to
making improvements on the successful UltraSPARC T1 architecture. For example,
The UltraSPARC T2 P
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simply increasing the number of cores would have gained additional throughput, but
would have resulted in consuming extra die area, leaving no room for integrated
components such as floating point processors.
The final UltraSPARC T2 processor design recognizes that memory latency is truly
the
bottleneck to improving performance. By increasing the number of threads supported
by each core, and by further increasing network bandwidth, the UltraSPARC T2 is able
provide approximately twice the throughput of the UltraSPARC T1 processor. Each
UltraSPARC T2 processor provides up to eight cores, with each core able to switch
between up to eight threads (64 threads per processor). In addition, each core provides
two integer execution units, so that a single UltraSPARC core is capable of executing
two threads at a time. Figure 4 provides a simplified high-level illustration of the thread
model supported by an eight-core UltraSPARC T2 processor.
Thread 8
.
.
.
Thread 1
Core 8
Thread 8
.
.
.
Thread 1
Thread 8
.
.
.
Thread 1
Thread 8
.
.
.
Thread 1
Thread 8
.
.
.
Thread 1
Thread 8
.
.
.
Thread 1
Thread 8
.
.
.
Thread 1
Thread 8
.
.
.
Thread 1
Core 7
Core 6
Core 5
Core 4
Core 3
Core 2
Core 1
TimeMemory LatencyCompute
Figure 4. A single eight-core UltraSPARC T2 processor supports up to 64 threads, with up to two threads
running in each core simultaneously
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UltraSPARC T2 Processor Architecture
The UltraSPARC T2 processor extends Sun’s Throughput Computing initiative with an
elegant and robust architecture that delivers real performance to applications. A high-
level block diagram of the UltraSPARC T2 processor is shown in Figure 5.
FB DIMMFB DIMMFB DIMM
FB DIMMFB DIMMFB DIMM
MCUMCUMCU
L2$L2$L2$L2$L2$L2$L2$L2$
Cross Bar
C1C2C3
C0
FPUFPUFPUFPUFPUFPUFPUFPU
C4C5C6
FB DIMM
FB DIMM
MCU
C7
SPUSPUSPUSPUSPUSPUSPUSPU
Network
Interface Unit
10 Gigabit
Ethernet Ports (2)
Figure 5. The UltraSPARC T2 processor combines eight cores, memory management, cryptographic
support, 10 Gb Ethernet, and PCI Express on a single chip
System Interface
PCIe
x8 @ 2.0 GHz
The eight cores on the UltraSPARC T2 processor are interconnected with a full on-chip
non-blocking 8 x 9 crossbar switch. The crossbar connects each core to the eight banks
of L2 cache, and to the system interface unit for IO. The crossbar provides
approximately 300 GB/second of bandwidth and supports 8-byte writes from a core to a
bank and 16-byte reads from a bank to a core. The system interface unit connects
networking and I/O directly to memory through the individual cache banks. Using
FBDIMM memory supports dedicated northbound and southbound lanes to and from
the caches to accelerate performance and reduce latency. This approach provides
higher bandwidth than with DDR2 memory, with up to 42.4 GB/second of read
bandwidth and 21 GB/second of write bandwidth.
Each core provides its own fully-pipelined floating point and graphics unit (FGU), as well
as a stream processing unit (SPU). The FGUs greatly enhance floating point
performance over that of the UltraSPARC T1, while the SPUs provide wire-speed
cryptographic acceleration with over 10 popular ciphers supported, including DES,
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3DES, AES, RC4, SHA-1, SHA-256, MD5, RSA to 2048 key, ECC, and CRC32. Embedding
hardware cryptographic acceleration for these ciphers allows end-to-end encryption
with no penalty in either performance or cost.
UltraSPARC T2 Core Architecture and Pipelines
Figure 6 provides a block-level diagram representing a single UltraSPARC cores on the
UltraSPARC T2 processor (up to eight are supported per processor).
TLU
SPUFGULSU
IFU
EXU0EXU1
MMU/
HWTW
UltraSPARC T2 core
Figure 6. UltraSPARC T2 core block diagram
Gasket
Crossbar / L2 Cache
Components implemented in each core include:
•
Trap Logic Unit (TLU)
— The trap logic unit updates the machine state as well as
handling exceptions and interrupts.
•
Instruction Fetch Unit (IFU)
— The instruction fetch unit includes the 16KB
instruction cache (32-byte lines, 8-way set associative) and a 64-entry fully-associative
instruction translation lookup buffer (ITLB).
•
Integer Execution Units (EXU)
— Dual integer execution units are provided per core
with four threads sharing each unit. Eight register windows are provided per thread,
with 160 integer register file (IRF) entries per thread.
•
Floating Point/Graphics Unit (FGU)
— A floating point/graphics unit is provided
within each core and it is shared by all eight threads assigned to the core. 32 floating-
point register file entries are provided per thread.
•
Stream Processing Unit (SPU)
— Each core contains a stream processing unit that
provides cryptographic coprocessing.
Memory Management Unit (MMU)
•
— The memory management unit provides a
hardware table walk (HWTW) and supports 8 KB, 64 KB, 4 MB, and 256 MB pages.
16
The UltraSPARC T2 P
ith CoolTh
Eight-Stage Integer Pipeline
Twelve-Stage Floating-Point Pipeline
Fetch
Cache
Pick Decode Execute
Fx1Fx2
Fx3
Fx4
Fx5
Fx6
FW
Fetch
Cache
Pick Decode Execute Mem
Bypass
W
rocessor w
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An eight-stage integer pipeline and a 12-stage floating-point pipeline are provided by
each UltraSPARC processor core (Figure 7). A new “pick” pipeline stage has been added
to choose two threads (out of the eight possible per core) to execute each cycle.
Figure 7. UltraSPARC T2 per-core integer and floating-point pipelines
To illustrate how the dual pipelines function, Figure 8 depicts the integer pipeline with
the load store unit (LSU). The instruction cache is shared by all eight threads within the
core. A least-recently-fetched algorithm is used to select the next thread to fetch. Each
thread is written into a thread-specific instruction buffer (IB) and each of the eight
threads is statically assigned to one of two thread groups within the core.
IFU
F2
C6
IB0-3
IB0-3
IB0-3
IB0-3
P0
D2
E0
M3
B1
W2
Thread Group 0
Figure 8. Threads are interleaved between pipeline stages with very few restrictions (integer pipeline
shown, letters depict pipeline stages, numbers depict different scheduled threads)
LSU
M4
B1
W6
IB4-7
IB0-3
IB0-3
IB0-3
P5
D7
E6
M4
B7
W6
Thread Group 1
The “pick” stage chooses one thread each cycle within each thread group. Picking
within each thread group is independent of the other, and a least-recently-picked
algorithm is used to select the next thread to execute. The decode state resolves
resource conflicts that are not handled during the pick stage. As shown in the
illustration, threads are interleaved between pipeline stages with very few restrictions.
Any thread can be at the fetch or cache stage, before being split into either of the two
thread groups. Load/store and floating point units are shared between all eight
threads. Only one thread from either thread group can be scheduled on such a shared
unit.
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The UltraSPARC T2 P
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rocessor w
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Integrated Networking
By providing integrated on-chip networking, the UltraSPARC T2 processor is able to
provide better networking performance. All network data is supplied directly from and
to main memory. Placing networking so close to memory reduces latency, provides
higher memory bandwidth, and eliminates inherent inefficiencies of I/O protocol
translation.
The UltraSPARC T2 processor provides two 10 Gb Ethernet ports with integrated serdes,
offering line-rate packet classification at up to 30 million packets/second (based on
layers 1-4 of the protocol stack). Multiple DMA engines (16 transmit and 16 receive DMA
channels) match DMAs to individual threads, providing binding flexibility between ports
and threads. Virtualization support includes provisions for eight partitions, and
interrupts may be bound to different hardware threads.
Stream Processing Unit
The stream processing unit on each UltraSPARC T2 core runs in parallel with the core at
the same frequency. Two independent sub-units are provided along with a DMA engine
that shares the core’s crossbar port:
• A Modular Arithmetic Unit (MAU) shares the FGU multiplier, providing RSA
encryption/decryption, binary and integer polynomial functions, as well as elliptic
curve cryptography (ECC)
• The cipher/hash unit provides support for popular RC4, DES/3DES, AES-128/192/256,
MD5, SHA-1, and SHA-256 ciphers
1
The SPU is designed to achieve wire-speed encryption and decryption on both of the
processor’s 10 GB Ethernet ports.
Integral PCI Express Support
The UltraSPARC T2 processor provides an on-chip PCI Express interface that operates at
4 GB/second bidirectionally through a point-to-point dual-simplex chip interconnect. An
integral IOMMU supports I/O virtualization and process device isolation by using the
PCI Express BDF number. The total I/O bandwidth is 3-4 GB/second, with maximum
payload sizes of 128 to 512 bytes. An x8 serdes interface is provided for integration with
off-chip PCI Express switches.
1.Supported in a future Solaris OS release
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Power Management
Beyond the inherent efficiencies of CMT design, the UltraSPARC T2 is the first processor
to incorporate unique power management features at both the core and memory levels
of the processor. These features include reduced instruction rates, parking of idle
threads and cores, and ability to turn off clocks in both cores and memory to reduce
power consumption. Substantial innovation is present in the areas of:
• Limiting speculation such as conditional branches not taken
• Extensive clock gating in the data path, control blocks, and arrays
• Power throttling that allows extra stall cycles to be injected into the decode stage
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Chapter 3
Sun SPARC Enterprise T5120 and T5220
Server Architecture
Sun SPARC Enterprise T5120 and T5220 servers have been designed to provide
breakthrough performance while maximizing reliability and minimizing power
consumption and complexity. This section details the physical and architectural aspects
of these systems.
System-Level Architecture
A unified motherboard design is common to both the Sun SPARC Enterprise T5120 and
T5220 servers (Figure 9). The motherboard is a 20-layer printed circuit board (PCB)
containing the UltraSPARC T2 processor, FBDIMM sockets for main memory, ILOM
service processor, disk controller, and I/O subsystems. I/O options include USB, DVD
control, quad Gigabit Ethernet, and two levels of PLX PCI Express branching out into
sockets for a wide variety of third-party PCI Express expansion options. Shaded regions
indicate features that are only available on the Sun SPARC Enterprise T5220 server.
FBDIMM
Sun SPARC
Enterprise
T5220 only
HDDs
x4
IDE
USB
to IDE
USB
USB
USB 2.0
Hub
USBUSBQuad Gigabit Enet
Front
SAS/SATA
DVD
to USB
PEX8111
Rear
PCI-E
USB
x4
SAS/SATA
Raid 0,1
LSI1068E
PCI-E
Express
Switch
8517
Dual
GbE
i82571EB
10/100/1000
Figure 9. Block-level diagram of the common Sun SPARC Enterprise T5120/T5220 server motherboard
x8
PCI-E
Express
x4
Switch
8533
x4
x8
Dual
GbE
i82571EB
PCI-E PCI-E PCI-E PCI-E
x8 Slot x8 Slot x4 Slot x4 Slot
UltraSPARC T2
PCI-E XAUI(x2)
x8
Express
Switch
x8x4 x4
Sun SPARC
Enterprise
T5220 only
XAUI
PCI-E
8533
FBDIMM
T2
SSI
Host
TPM
Flash
XAUI
I2C
FPGA
XC3S1000
M-DOC
64+MB
3 DRAM
64MB
PPC
Flash
SerialSerialPHY
Serial
Serial
DB9
Mgmt
Copper XAUI
Add-in Card
10gE
Cu PHY
BCMxxx
Combo Slot:
10GigE Plugin
or PCI-E x4
SSI
x4
Optical XAUI
Add-in Card
x4
10gE
Serdes
BCM8704
XFI
XFP
Plugin
Combo Slot:
10GigE Plugin
or PCI-E x4
MPC 885
10/100
Mgmt
IMAX
NVRAM
FRUID
TOD/
RTC
SCC
Socketed
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The motherboard interconnect for these systems has been greatly simplified. 12-volt
power is distributed to the motherboard through a pair of metal bus bars, connected to
a Power Distribution Board (PDB). A single flex-circuit connector routes all critical power
control and DVD drive signaling over to the PDB. One or two mini-SAS cables connect
the motherboard to the disk drive backplane, providing data access to the system hard
drives.
Memory Subsystem
In Sun SPARC Enterprise T5120 and T5220 servers, the UltraSPARC T2 processor’s on-chip
memory controllers communicate directly to FBDIMM memory through high-speed
serial links. The four dual-channel FBDIMM memory controllers can transfer data at an
aggregate rate of 32 giga-transfers per second. Sixteen memory socket locations
provide sufficient board space for two rows of 667 MHz FBDIMMs per channel.
I/O Subsystem
The UltraSPARC T2 processor incorporates a single, 8-lane (x8) PCI Express port capable
of operating at 4 GB/second bidirectionally. This port natively interfaces to the I/O
devices through a series of PLX technology PCI Express expander chips, connecting
either to PCI Express card slots, or to bridge devices that interface with PCI Express,
such as those listed below.
•
Disk Controller
controller chip that interfaces to a four-lane (x4) PCI Express port. RAID levels 0 and 1
are provided as standard.
•
Dual GBE
chips, providing four 10/100/1000 Mbps Ethernet interfaces on the rear of each
chassis.
•
USB and DVD
device. A second bridge chip converts the 32-bit 33MHz PCI bus into multiple USB 2.0
ports. The system’s USB interconnect is driven from those ports. In addition, the DVD
is driven from a further bridge chip that interfaces one of the USB ports to IDE format.
To minimize cabling and increase reliability, a variety of smaller boards and riser cards
are deployed, appropriate to each chassis. These infrastructure boards serve various
functions in the Sun SPARC Enterprise T5120 and T5220 servers.
• Power distribution boards distribute system power from the dual power supplies to
the motherboard and to the disk backplane (via a connector board)
• Connector boards eliminate the need for many discrete cables, providing a direct card
plug-in interconnect to distribute control and most data signals to the disk
backplane, fan boards, and the PDB.
— Disk control is managed by a single LSI Logic SAS1068E SAS
— Two x4 PCI Express ports connect to two Intel Ophir dual Gb Ethernet
— A single-lane PCI Express port connects to a PLX PEX8111 PCI bridge
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• Fan boards provide connections for power and control for both the primary and
secondary fans in the front of the chassis. No cables are required since every dual fan
module plugs directly into one of these PCBs which, in turn, plugs into the Connector
Board.
• PCI Express riser cards plug directly into the motherboard, allowing PCI Express cards
to be installed.
• Two XAUI riser cards provide slots that access to the on-chip 10 Gb Ethernet interfaces
on the UltraSPARC T2 Processor. Alternately, these slots can provide access to PCI
Express interfaces. Each slot can either accept an optical/copper XAUI card, or an
industry standard low-profile PCI Express card with up to an x8 form factor edge
connector (x4 electrically). Cards are installed in a horizontal orientation.
• The disk backplane mounts to the disk cages in the two chassis, delivering disk data
through one or two 4-channel discrete mini-SAS cables from the motherboard. A
4-disk backplane is offered for the Sun SPARC Enterprise T5120 server while the Sun
SPARC Enterprise T5220 server supports an 8-disk backplane.
• A front USB panel card inserts directly into the disk backplane, providing two USB
connections to the front of the system.
Sun SPARC Enterprise T5120 Server Overview
The compact Sun SPARC Enterprise T5120 server provides significant computational
power in a space-efficient low-power 1U rackmount package. With high levels of price/
performance and a low acquisition cost, this server is ideally suited to the delivery of
horizontally-scaled transaction and Web services, and can function as a very capable
HPC compute node. The server is designed to address the challenges of modern
datacenters with greatly reduced power consumption and a small physical footprint.
Depending on the model selected, the Sun SPARC Enterprise T5120 server features a
single four-, six-, or eight-core UltraSPARC T2 processor.
Enclosure
The 1U Sun SPARC Enterprise T5120 server enclosure is designed for use in a standard
19-inch rack (Table 3).
Table 3. Dimensions and weight of the Sun SPARC Enterprise T5120 server
DimensionU.S.International
Height1.75 inches (1 RU)44.45 millimeters
Width18 inches457.2 millimeters
Depth28 inches711.2 millimeters
Weight (approximate, without
PCI cards or rackmounts)
20.5 pounds9.3 kilograms
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The Sun SPARC Enterprise T5120 server includes the following major components:
• An UltraSPARC T2 processor with four, six, or eight cores at speeds of 1.2 or 1.4 GHz
• Up to 64 GB of memory in 16 Fully Buffered Dual Inline Memory Module (FBDIMM)
slots (1 GB, 2 GB, and 4 GB FBDIMMs supported)
• Four on-board 10/100/1000 Mbps Ethernet ports
• Dedicated low-profile PCI Express slot (x8)
• Two combination XAUI or low-profile PCI Express x4 slots
• Four USB 2.0 ports (2 forward, 2 rear facing)
• Four available disk drives supporting SAS commodity disk drives
• Integrated Lights out Management (ILOM) system controller
• Two (N+1) hot-swappable high-efficiency 650 watt AC/DC power supply units
• Four fan assemblies (each with two fans) populated of a possible eight, under
environmental monitoring and control, N+1 redundancy. Fans are accessed through a
dedicated top panel door.
Front and Rear Perspectives
Figure 10 illustrates the front and rear panels of the Sun SPARC Enterprise T5120 server.
System status indicators
Redundant (N+1) power supply units
System status indicators
Figure 10. Sun SPARC Enterprise T5120 server, front and rear panels
External features of the Sun SPARC Enterprise T5120 server include:
• Front and rear system and component status indicator lights provide locator (white),
service required (amber), and activity status (green) for the system.
• Four hot-plug SAS disk drives insert through the front panel of the system.
• One slimline, slot-accessible DVD-R is accessed through the front panel.
• Four USB 2.0 ports are provided, two on the front panel, and two on the rear.
• Two hot-plug/hot-swap (N+1) power supplies with integral fans insert from the rear.
• Rear power-supply indicator lights convey the status of each power supply.
• A single AC plug is provided on each hot-plug/hot-swap power supply.
• Four 10/100/1000Base-T autosensing Ethernet ports are provided.
Hard disk drives
PCI Express or XAUI slots
Serial and network
Management ports
DVD drive
10/100/1000
Ethernet ports
Component status indicators
USB ports
PCI Express slot
USB ports
Serial port (ttya)
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• A DB-9 TTYA serial port is provided for serial devices (not connected to the ILOM
system controller serial port).
• A total of three PCI Express card slots are provided, two of which can alternately
support XAUI cards connected to the UltraSPARC T2 10 Gb Ethernet interfaces.
• Two management ports are provided for use with the ILOM system controller. The
RJ-45 serial management port provides the default connection to the ILOM controller.
The network management port supports an optional RJ-45/10/100Base-T connection
to the ILOM system controller.
Sun SPARC Enterprise T5220 Server Overview
The expandable Sun SPARC Enterprise T5220 server is optimized to deliver transaction
and Web services, including Java 2 Platform, Enterprise Edition (J2EE™ platform)
technology application services, enterprise application services (ERP, CRM, and SCM),
and distributed databases. With considerable expansion capabilities and integrated
virtualization technologies, the Sun SPARC Enterprise T5220 server is also an ideal
platform for consolidated Tier-1 and Tier-2 workloads.
Enclosure
The Sun SPARC Enterprise T5220 server features a compact, yet expandable 2U
rackmount chassis (Table 4), giving organizations the flexibility to scale their processing
and I/O needs without wasting precious space.
Table 4. Dimensions and weight of the Sun SPARC Enterprise T5220 server
Server/DimensionU.S.International
Height3.44 inches (2 RU)87.37 millimeters
Width16.75 inches425.45 millimeters
Depth28.12 inches714.24 millimeters
Weight (without PCI cards or rack mounts)40 pounds28 kilograms
The Sun SPARC Enterprise T5220 server includes the following major components:
• An UltraSPARC T2 processor with four, six, or eight cores
• Up to 64 GB of memory in 16 Fully Buffered Dual Inline Memory Module (FBDIMM)
slots (1 GB, 2 GB, and 4 GB FBDIMMs supported)
• Four on-board 10/100/1000 Mbps Ethernet ports
• Four dedicated low-profile PCI Express slots
• Two combination XAUI or low-profile PCI Express x4 slots
• Four USB 2.0 ports (2 forward, 2 rear facing)
• Up to eight available disk drives supporting SAS commodity disk drives
• Integrated Lights out Management (ILOM) system controller
• Two (N+1) hot-plug/hot-swap high-efficiency 750 watt power supplies
• Three fan assemblies (each with two fans) populated of a possible six, under
environmental monitoring and control, N+1 redundancy
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Front and Rear Perspectives
Figure 11 illustrates the front and back panels of the Sun SPARC Enterprise T5220 server.
System status indicatorsDVD Drive
Disk drives
Redundant (N+1)
Power supply units
System status indicators
PCI Express or
XAUI slots
PCI Express slots
Serial and network
Management ports
10/100/1000
Ethernet ports
USB ports
Component status indicators
USB ports
Serial port (ttya)
Figure 11. Sun SPARC Enterprise T5220 server, front and rear panels
External features of the Sun SPARC Enterprise T5220 server include:
• Front and rear system and component status indicator lights provide locator (white),
service required (amber), and activity status (green) for the system
• Eight hot-plug SAS disk drives insert through the front panel of the system
• One slimline DVD-R drive is accessed through the front panel
• Four USB 2.0 ports are provided, two on the front panel, and two on the rear
• Two hot-plug/hot-swap N+1 power supplies with integral plugs and fans insert from
the rear (rear power-supply indicator lights convey the status of each power supply)
• Four 10/100/1000Base-T autosensing Ethernet ports are provided
• A DB-9 TTYA serial port is provided for serial devices (not connect to the ILOM system
controller serial port)
• A total of six PCI Express card slots are provided, two of which can support XAUI cards
connected to the UltraSPARC T2 10 Gb Ethernet interfaces
• Two management ports are provided for use with the ILOM system controller. The
RJ-45 serial management port provides the default connection to the ILOM controller.
The network management port supports an optional RJ-45 10/100Base-T connection
to the ILOM system controller.
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SPARC Ent
hitect
un
erprise T5120 and T5220 Server Arc
ure Sun Microsystems, Inc.
System Management Technology
As the number of systems grow in any organization, the complexities of managing the
infrastructure throughout its lifecycle becomes increasingly difficult. Effective system
management requires both integrated hardware that can sense and modify the
behavior of key system elements, as well as advanced tools that can automate key
administrative tasks.
Integrated Lights-Out Management (ILOM) System Controller
Provided across many of Sun’s x64 servers, the Integrated Lights Out Management
(ILOM) service processor acts as a system controller, facilitating remote management
and administration of Sun SPARC Enterprise T5120 and T5220 servers.The service
processor is fully featured and is similar in implementation to that used in other Sun
modular and rackmount x64 servers. As a result, Sun SPARC Enterprise T5120 and T5220
servers integrate easily with existing management infrastructure.
Critical to effective system management, the ILOM service processor:
States and other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the US and other countries. Products bearing SPARC trademarks are
based upon an architecture developed by Sun Microsystems, Inc. Information subject to change without notice. Printed in USA 10/07 SunWIN 512750
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