Intel® 5100 Memory Controller Hub
Chipset for Communications,
Embedded, and Storage Applications
Thermal/Mechanical Desig n Guide
July 2008
Revision 003US
Order Number: 31867 6- 0 03US
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1.0First Silicon SamplesRequi r ed Customer Relea se
1.1–1.4When NeededProject Dependent (Recommended)
1.5Qualification Silicon SamplesProject Dependent
1.6–1.9When NeededProject Dependent
NDA - 2.0
Public - XXXXXX-001
2.1 and upWhen NeededProject Dependent
Note: Rows hi gh lighted in gray are required revisions.
Added Figure 26, Figure 27, and Figure 28
Updated the supplier information
Max config
First SKU LaunchRequi r ed Customer Relea se - Product Launch
value to 25.7 W in Table 3
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Order Number: 318676-003US5
Intel® 5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
1.0Introduction
As the complexity of computer systems increases, so do the power dissipation
requirements. Care must be taken to ensure that the additional power is properly
dissipated. Typical methods to improve heat dissipation include selective use of
ducting, and/or passive heatsinks.
The goals of this document are to :
• Outline the thermal and mechanical operating limits and specifications for the
• Describe refer ence thermal solut ions that meet the spec ificati on of th e Intel
Properly designed thermal solutions provide adequate cooling to maintain the Intel
5100 MCH Chipset die temperatures at or below thermal specifications. This is
accomplished by providing a low local-ambient temperature , ensu ring adequate local
airflow, and m inimizi ng the di e to local- ambien t thermal re sistance . By main taining the
Intel
designer can ensure the proper functionality, performance, and reliability of the
chipset. Operation outside the functional limits can degrade system performance and
may cause permanent changes in the operating characteristics of the component.
The simplest and most cost effective method to improve the inherent system cooling
characteristics is through careful chassis design and placement of fans, vents, and
ducts. When additional cooling is required, component thermal solutions may be
implemented in conjunction with system thermal solutions. The size of the fan or
heatsink can be varied to balance size and space constraints with acoustic noise.
This document addresses thermal design and specifications for the Intel
Chipset components only . For thermal design information on other chipset components,
refer to the respective component datasheet. For the ICH9R, refer to the IntelController Hub 9 (ICH 9) F a mily Thermal and Mechanical Design Guidelines.
®
5100 Memory Controller Hub C hi ps et (Intel® 5100 MCH Chipset )
Intel
MCH Chipset
®
5100 MCH Chipset die temperature at or below the specified limits, a system
Intel® 5100 MCH Chipset
®
5100
®
®
5100 MCH
®
I/O
Note:Unless otherwise specified, the term “MCH” refers to the Intel® 5100 MCH Chipset.
1.1Design Flow
To develop a reliable, cost-effective thermal solution, several tools have been provided
to the system designer. Figure 1 illustrates the design process implici t to this d ocument
and the tools ap p r op r ia t e for ea ch step.
®
5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
Intel
TDGJuly 2008
6Order Number: 318676-003US
®
• Package Level Thermal Models
• Thermal Model User’s Guide
Step 1: Thermal Simulation
• Reference Heatsinks
• Reference Mounting Hardware
• Vendor Contacts
Step 2: Heatsink Design
and Selection
Step 3: Thermal Validation
• Thermal Testing Software
• Thermal Test Vehicle
• User Guides
5100 MCH Chipset
Intel
Figure 1.Thermal Design Process
1.2Definition of Terms
Table 1.Definition of Terms
July 2008TDG
Order Number: 318676-003US7
TermDefinition
Flip Chip Ball Grid Array. A package type defined by a plastic substrate where
a die is mounted using an underfill C4 (Controlled Collapse Chip Connection)
attach style. The primary electrical interface is an array of solder balls
attached to the substrate opposite the die.
Note: The device arrives at the cus tomer with solder balls atta ch e d.
Bond line thickness. Final settled thickness of the thermal interface material
after installation of heatsink.
Memory controller hub. The chipset component that contains the processor
interface, the memory interface, the PCI Express* interface and the ESI
interface.
Maximum allowed component temperature. This temperature is measured at
the geometric center of the top of the package IHS.
Minimum allowed comp onent tem per ature. This temp era ture is meas ured at
the geometric center of the top of the package IHS.
Thermal design power. Thermal solutions should be design e d to di ssipate
this target power level. TDP is not the maximum power that the chipset can
dissipate.
Case-to-ambient thermal characterization parameter. A measure of the
thermal solution thermal performance including TIM using the thermal
design power. Defined as (T
Case-to-sink thermal characterization parameter. A measure of the TIM
thermal performance using the ther m a l desig n powe r. Defined as (T
) / TDP
T
LA
Sink-to-ambient thermal characterization parameter. A measure of heatsink
thermal performance using the ther m a l desig n powe r. Defined as (T
) / TDP
T
LA
Intel® 5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
- TLA) / TDP
CASE
CASE
CASE
-
-
1.3Related Documents
Intel® 5100 MCH Chipset
Intel® Electronic Desi gn Kits (EDKs) provide online, real-tim e collateral updates. The
following links ta ke you to the EDK server and require you to log into Intel
Link (IBL).
• Quad-Core and Dual-Co r e Intel® Xeon® Process or 5000 Sequence with Intel®
5100 Memory Controll er Hub Chip set for C ommunica tions , Embedd ed, and Stor age
Applications
• Intel® Core™2 Duo Processors T9400 and SL9400 and Intel® 5100 Memory
Controller Hub Chipset for Commun ications and Embedd ed Applications
The reader of this specification should also be familiar with material and concepts
presented in the documents list ed in Table 2.
Table 2.Related Documents (Sheet 1 of 2)
DocumentDocument Number/URL
BGA/OLGA Assembly Development GuideNote 1
Dual-Core Intel
Dual-Core Intel
Intel® Core™2 Duo Processor, Intel® Core™2 Solo Processor and
®
Core™2 Extreme Processor on 45-nm Process Datasheet
Intel
®
Intel
Core™2 Duo Processor, Intel® Core™2 Solo Processor and
®
Intel
Core™2 Extreme Processor on 45-nm Process
Specification Update
®
Intel
Core™2 Duo Processo rs on 45- n m pr oc es s for Embedded
Applications Thermal Design Guide
®
Intel
Core™2 Duo Processors T9400 and SL9400 and Intel®
5100 Memory Controller Hub Chipset for Communications and
Embedded Applications – Platform Design Guide
®
I/O Controller Hub 9 (ICH9) Family Datasheethttp://www.intel.com/ (316972)
Intel
®
Intel
I/O Controller Hub 9 (ICH9) Family Specification Updatehttp://www.intel.com/ (316973)
Notes:
1.Contact your Intel sales representative. Some documents may not be available at this time.
®
Xeon® Processor 5100 Series Datasheethttp://www.intel.com/ (313355)
®
Xeon® Processor 5100 Series Specification
®
Xeon® Processor 5100 Series Thermal/
®
Xeon® Processor 5200 Series Datasheethttp://www.intel.com/ (318590)
®
Xeon® Processor 5200 Series Specification
®
Xeon® Processor 5200 Series Thermal/
®
Xeon® Processor LV 5138 in Embedded
®
Business
http://www.intel.com/ (313356)
http://www.intel.com/ (313357)
http://www.intel.com/ (318586)
http://www.intel.com/ (318675)
http://www.intel.com/ (315225)
http://www.intel.com/ (313067)
Note 1
Note 1
http://www.intel.com/ (320120)
http://www.intel.com/ (320121)
http://www.intel.com/ (320028)
Note 1
®
5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
Intel
TDGJuly 2008
8Order Number: 318676-003US
®
5100 MCH Chipset
Intel
Table 2.Related Documents (Sheet 2 of 2)
DocumentDocument Number/URL
Intel® I/O Controller Hub 9 (ICH9) Family Thermal and
Mechanical Design Guidelines
®
Quad-Core and Dual-Core Intel
Sequence with Intel
Communications, Embedded, and Storage Applications –
Platform Design Guide
Applications Thermal and Mechanical Design Guidelines
Various system thermal design suggestionshttp://www.formfactors.org
Notes:
1.Contact your Intel sales representative. Some documents may not be available at this time.
®
5100 Memory Controller Hub Chipset for
®
Xeon® Processor 5300 Series Datasheethttp://www.intel.com/ (315569)
®
Xeon® Processor 5300 Series Specification
®
Xeon® Processor 5300 Series Thermal/
®
Xeon® Processor 5400 Series Datasheethttp://www.intel.com/ (318589)
®
Xeon® Processor 5400 Series Thermal/
®
Xeon® Processor L5318 in Embedded
Xeon® Processor 5000
http://www.intel.com/ (316974)
Note 1
http://www.intel.com/ (315338)
http://www.intel.com/ (315794)
http://www.intel.com/ (318585)
http://www.intel.com/ (318611)
http://www.intel.com/ (318474)
1.4The rmal Simulation
Intel provides thermal simulation model s of t he Intel® 5100 MCH Chipset and
associated user’s guides to aid system designers in simulating, analyzing, and
optimizing their th ermal solutions in an integrated, system-level environment. The
models are for use with the commercially available Computational Fluid Dynamics
(CFD)-based thermal analys is tool s Flomeri cs* FLO THE RM* (ve rsion 5.1 or higher) an d
Fluent* Icepak* (v ersion 4.3. 10 or higher). Co ntact your In tel field sa les representat ive
to order the thermal models and us er’s guides.
2.0Packaging Technology
Intel® 5100 MCH Chipset-based plat forms consist of two individual comp onents: the
®
5100 MCH Chipset and the ICH9R. The Int e l® 5100 MCH Chipset uses a 42.5
Intel
mm, 10-layer fl ip chip ball grid array (FC-BGA) pa ckage (see Figure 2, Figure 3, and
Figure 4). For information on the ICH9R package, refer to the Intel
9 (ICH9) Family Thermal and Mechanical Design Guidelines.
®
I/O Controller Hub
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Intel® 5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
Figure 2.MCH Package Dime nsions (Top View)
MCH
IHS
Handling
Exclusion
Area
42.5 mm.
42.5 mm.38.5 mm.
38.5 mm,
0.20
–C–
IHS
Substrate
0.435 ± 0.025 mm
See note 3
Seating Plane
2.44 ± 0.071 mm
See note 1.
Notes:
1. Primary datum -C- and seating plan are defined by the spherical crowns of the solder balls (shown before motherboard attach)
2. All dimensions and tolerances conform to ANSI Y14.5M-1994
3. BGA has a pre-SMT height of 0.5mm and post-SMT height of 0.41-0.46mm
4. Shown before motherboard attach; FCBGA has a convex (dome shaped) orientation before reflow and is expected to have a slightly concave (bowl shaped)
orientation after reflow
0.20
See note 4.
3.79 ± 0.144 mm
4.23 ± 0.146 mm
Intel® 5100 MCH Chipset
Figure 3.MCH Package Dim ensions (Side Vi ew)
®
5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
Intel
TDGJuly 2008
10Order Number: 318676-003US
®
42.5 + 0.05
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20.202
37X 1.092
5100 MCH Chipset
Intel
Figure 4.MCH Package Dimensions (Bottom View)
Notes:
1.All dimensions are in millimeters.
2.All dimensions and tolerances conform to ANSI Y14.5M-1994.
2.1Package Mechanical Requirements
Note:The heatsink attach solutions must not include continuous stress to the chipset
July 2008TDG
Order Number: 318676-003US11
The Intel® 5100 MCH Chipset package has an integrated heat spreader (IHS) that is
capable of sustaining a maximum static normal load of 15 lbf. These mechanical load
limits must not be exceeded during heatsink installation, mechanical stress testing,
standard shipping conditions and/or any other use condition.
package with the exc eption of a uniform lo a d to maintain the heatsink-to-pac kage
thermal interfac e.
Intel® 5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
Intel® 5100 MCH Chipset
Note:These spe c i fic a tions apply to unifor m co mp r e s s ive loa d ing in a direction perpe nd icular
to the IHS top surface.
Note:These specifications are based on limited testing for design characterization. Loading
limits are for the package only.
3.0Thermal Specifications
3.1Thermal Design Power (TDP)
Analysis indicates that real applications are unlikely to cause the MCH component to
consume maximum power dissipation for sustained time periods. Therefore, i n order to
arrive at a more realistic power level for thermal design purposes, Intel characterizes
power consumption based on known platform benchmark applications. The resulting
power consumption is referred to as the Thermal Design Power (TDP). TDP is the target
power level to which th e thermal solutions should be designed. TDP is not the
maximum power that the chipset can dissipate.
FC-BGA packages have a poor heat transfer capability into the board and have a
minimal thermal capability without a thermal solution. Intel recommends that system
designers plan for a heatsink when using the Intel
3.2Case Temperature
To ensure proper operation and reliability of the Intel® 5100 MCH Chipset, the case
temperatures must be at or between the maximum/mini mum operating temperature
ranges as specified in Table 3. System and/or component level thermal solutions are
required to mainta in these temperatur e specifications. Refer to Section 5.0, “Thermal
Metrology” on page 15 for guidelines on accurately measuring package case
4.1Characterizing the Thermal Solution Requirement
The idea of a “thermal characterization parameter” Ψ (the Greek letter Ps i) is a
convenient way to characterize the performance needed for the thermal solution and to
compare thermal solutions in identical situations (in other words, heating source, local
ambient conditions, and so forth). The thermal characterization parameter is calculated
using total package power; whereas, actual thermal resistance, θ (theta), is calculated
using actua l po wer dissipated be tween two points. Mea s uring actual power dissipated
into the heatsi nk is difficult, beca use some of the power is dissipated through a heat
transfer into the package and board.
®
5100 Memory Controller Hub Chipset for Communications, Embedded, and Storage Applications
Intel
TDGJuly 2008
12Order Number: 318676-003US
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