Intel NetStructure® MPCBL0001
High Performance Single Board
Computer
Technical Product Specification
May 2006
Order Number: 273817-010
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*Other names and brands may be claimed as the property of others.
Intel NetStructure® MPCBL0001 High Performance Single Board Computer
Contents
Revision History
DateRevisionDescription
Added information related to User Programmable LED and Lead Free
information. Added chapter with Serial Over Lan (SOL) information. Added new
May 2006010
September 2005009Minor change to Table 10 and Table 11.
September 2005008Added serial port buffering section, modified IPMC firmware update procedures.
July 2005007Added Table 7. Modified tables 3, 9, 13, 14, and 53; Fig. 21; and Section 10.5.
April 2005006New text in sections 3.2.9, 6.5, 10.3.1, and tables 2, 3, and 6.
February 2005005New text, figures; added Section 18, “Agency Information—Class B”.
November 2004004
June 2004003SRA Release - changed from release 002 to current.
January 2004002Pre-SRA Release.
October 2003001Initial public release of this document
table (108) listing IPMI 2.0 supported commands. Updated Tables 2, 3, 78, 104
and 106. Added new section (3.14.9) about setting the default color for the OOS
and health LEDs. Added Appendix C which contains Material Declaration Data
Sheets.
Changes to figures 12, 13; changes to table 2, 3, 48, 77 and 81; added example
to Section 3.2.5.
12Technical Product Specification
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Contents
Introduction1
1.1Document Organization
This document gives technical specifications related to the Intel NetStructure® MPCBL0001 High
Performance Single Board Computer. The MPCBL0 001 is designed following the standards of the
Advanced Telecommunications Compute Architecture (AdvancedTCA*) Design Guide for high
availability, switched network computing. This document is intended for support during system
product development and while sustaining a product. It specifies the architecture, design
requirements, external requirements, board functionality, and design limitations of the
MPCBL0001 Single Board Computer.
The following summarizes the focus of each chapter in this document.
Chapter 1, “Introduction” gives an overview of the information contained in the Intel
NetStructure
Specification as well as a glossary of acronyms and important terms.
Chapter 2, “Features Overview” introduces the key features of the MPCBL0001. It includes a
functional block diagram and a brief description of each block.
Chapter 3, “Hardware Management Overview”provides a high-level overview related to IPMI
implementation based on PICMG* 3.0 and IPMI v1.5 specifications in the MPCBL0001 SBC.
Chapter 4, “Connectors” includes an illustration of connector locations, connector descriptions,
and pinout tables.
Chapter 5, “Addressing” summarizes the information you need to configure the MPCBL0001.
Included are the PCI configuration map, Configuration Address register, Configuration Data
register, I/O addr ess assignments, memory map, and IPMC addresses.
Chapter 6, “Specifications” contains the mechanical, environmental, and reliability specifications
for the MPCBL0001.
Chapter 7, “BIOS Features” provides an introduction to the Intel/AMI BIOS, and the System
Management BIOS, stored in flash memory on the MPCBL0001.
Chapter 8, “BIOS Setup” describes the interactive menu system of the BIOS Setup program. The
menu allows a user to configure the BIOS for a given system.
Chapter 9, “Error Messages” lists BIOS error messages, Port 80h POST codes, and bus
initialization checkpoints, and provides a brief description of each.
®
MPCBL0001 High Performance Single Board Computer Technical Product
Chapter 10, “Operating the Unit” provides specifics for configuring the MPCBL0001, including
BIOS configuration and jumper settings.
Chapter 11, “Serial Over Lan (SOL)” describes the installation and configuration of SOL,
aspecification for transmitting serial port data over an Ethernet connection, which allows viewing
ofserial port data, thus providing a virtual remote terminal server for acces sing a blade’s serial port.
Chapter 12, “Maintenance” includes supervision and diagnostics information.
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Contents
Chapter 13, “Thermals” contains a graph of pressure drop versus flow rate, illustrating the flow
impedance of the slot.
Chapter 14, “Component Technology” lists the major components used on the MPCBL0001.
Chapter 15, “Warranty Information” provides warranty information for Intel NetStructure
products.
Chapter 16, “Customer Support” provides information on how to contact customer support.
Chapter 17, “Certifications” and Chapter 18, “Agency Information—Class A” document the
regulatory requirements the MPCBL0001 is designed to meet.
Appendix A, “Reference Documents” provides a list of data sheets, standards, and specifications
for the technology designed into the MPCBL0001.
Appendix B, “List of Supported Commands (IP MI v1.5 and PICMG 3.0)”provides li sts of
commands supported by IPMI v1.5 and PICMG Specification 3.0.
1.2Glossary
®
For ease of use, numeric entries are listed first with alpha entries following. Acronyms and terms
are then entered in their respective place.
ACPIAdvanced Configuration and Power Interface.
AdvancedTCAAdvanced Telecommunications Compute Architecture
BIOSBasic Input/Output Subsystem. ROM code that initializes the computer
and performs some basic functions.
BladeAn assembled PCB card that plugs into a chassis.
DIMMDual Inline Memory Module. Small card with memory on it used for
MPCBL0001.
DMIDesktop Management Interface
EEPROMElectrically Erasable Programmable Read-Only Memory
Fabric BoardA board capable of moving packet data between Node Boards via the
ports of the backplane. This is sometimes referred to as a switch.
Fabric SlotA slot supporting a link port connection to/from each Node Slot and/or
out of the chassis.
Hyper-Threading Technology
†
HT Techn ology allows a single (or dual) physical processor , to appear as
two (or quad) logical processors to a HT Technology-aware operating
system.
2
I
C*Inter-IC [Integrated Circuit]. 2-wire interface commonly used to carry
management data.
IBAIntel
®
Boot Agent. The Intel Boot Agent is a software product that
allows your networked client computer to boot using a program code
image supplied by a remote server.
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Contents
IDEIntegrated Device Electronics. Common, low-cost disk interface.
IPMBIntelligent Platform Management Bus. Physical 2-wire medium to carry
IPMI.
IPMCIntelligent Platform Management Controller. ASIC in baseboard
responsible for low-level system management.
IPMIIntelligent Platform Management Interface. Programming model for
system management.
KCSKeyboard Controller Style interface.
LPC BusLos Pin Count Bus. Legacy I/O bus that replaces ISA and X-bus. See the
Low Pin Count (LPC) Interface Specification.
MTBFMean Time Between Failure. A reliability measure based on the
probability of failure.
NEBSNational Equipment Building Standards. Telco standards for equipment
emissions, thermal, shock, contamin ant s, and fire suppres sio n
requirements.
NMINon-Maskable Interrupt. Low-level PC interrupt.
Node BoardA board capable of providing and/or receiving packet data to/from a
Fabric Board via the ports of the networks. The term is used
interchangeably with SBC.
MPCBL0001Single or dual processor Single Board Com puter wit h Fi b re Chann el* .
MPCBL0002Single or dual processo r Single B oard C omput er witho ut Fibre Channel .
Node SlotA slot supporting port connections to/from Fab ric Slot(s ). A Node slot is
intended to accept a Node Board
Physical PortA port that physically exists. It is supported by one of many physical
(PHY) type components.
PMCPCI Mezzanine Card. IEEE1386 standard for embedded PCI cards. They
mount parallel to the SBC.
ROMRead-Only Memory.
SBCSingle Board Computer. This term is used interchangeably with Node
Board.
SELSystem Event Log. Action logged by management controller.
SFPSmall Form Factor Pluggable receptacle for the front panel Fibre
Channel interfaces.
SMBusSystem Management Bus. Similar to I
2
C
SMISystem Management Interrupt. Low-level PC interrupt which can be
initiated by chipset or management controller. Used to service IPMC or
handle things like memory errors.
SMS, SMSCStandard Micr osystems Corporation*
USBUniversal Serial Bus. General-purpose peripheral interconnect,
Technical Product Specification15
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operating at 1-12 Mbps.
Intel NetStructure® MPCBL0001 High Performance Single Board Computer
Contents
Features Overview2
2.1Application
The Advanced T elecommunications Compute Architecture (Adv ancedTCA) standards define open
architecture modular computing components for carrier-grade, communications network
infrastructure. The goals of the standards are to enable blade-based modular platforms to be:
• cost effective
• high-density
• high-availability
• scalable
These systems use a fabric I/O network for connecting multiple, independent processor boards, I/O
nodes (e.g., line cards), and I/O devices (e.g., storage subsystem).
The MPCBL0001 SBC is designed per the AdvancedTCA Design Guide for High Availability,
Switched Network Computing. Bulk storage for the system is connected through optional dual
Fibre Channel interfaces. The MPCBL0001FXX SBC includes a Fibre Channel controller. The
MPCBL0001NXX SBC does not have the Fibre Channel controller.
2.2Functional Description
This topic defines the architecture of the MPCBL0001 SBC through descriptions of functional
blocks. Figure 1, “Block Diagram” on page 17 shows the functional blocks of the MPCBL0001
SBC. The MPCBL0001 SBC is a dual processor, hot-swappable SBC with backplane connections
to dual Gigabit Ethernet star networks and dual Fibre Channel star arbitrated loops.
The SBC incorporates an Intelligent Platform Management Controller that monitors critical
functions of the board, responds to commands from the shelf manager, and reports events.
Power is supplied to the MPCBL0001 SBC through two redundant -48 V power supply
connections. Power for on-board hardware management circuitry is provided through a standby
converter on the power mezzanine. This co nverter, along with all the other converters on the power
mezzanine are fed by the diode OR'd -48 V supply from the backplane.
The SBC has provision for the addition of a PMC device and supports 32-bit and 64-bit transfers at
33 MHz and 66 MHz. The SBC also offers one USB and one service terminal interface. An
overview of each block follows.
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Figure 1. Block Diagram
Contents
RJ-45
RJ-45
Serial
Serial
Port
Port
USB
USB
Port
Port
Optional
Third-
party
PMC
Front Panel
Optional 2.5”
Optional 2.5”
Hard Disk Drive
Hard Disk Drive
Standard
Microsystems Corp.
Microsystems Corp.
LPC47B272 Super I/O
LPC47B272 Super I/O
PCI
PCI
Mezzanine
Mezzanine
Card
Card
(PMC)
(PMC)
Connector
Connector
Intel®
Intel®
82546EB
82546EB
Dual Gb
Dual Gb
Ethernet
Ethernet
256K SRAM
256K SRAM
256K SRAM
256K SRAM
Dual FC Ports
Standard
528 MB/s
PCI 64/66
1066 MB/s
PCI-X
1066 MB/s
33/66/100
Intel®
Intel®
P64H2
P64H2
PCI
Bridge
Bridge
Intel®
Intel®
P64H2
P64H2
PCI
Bridge
Bridge
PCI-X
QLogic
QLogic
QLogic
QLogic
ISP2312
ISP2312
ISP2312
ISP2312
Fibre
Fibre
Channel
Channel
Channel
Channel
Controller
Controller
Controller
Controller
ATA
PCI
PCI
Fibre
Fibre
ADM
ADM
1026
1026
Sahalee
IPMC
Sahalee
IPMC
IPMC
(4MB/s)
33 MHz
LPC
Intel® ICH3
Intel® ICH3
266 MB/s HI 1.5
1066
MB/s
HI-2
1066
Intel® E7501
Intel® E7501
Intel® E7501
Intel® E7501
Intel® E7501
Intel® E7501
MB/s
HI-2
Controller Hub
Controller Hub
Controller Hub
Controller Hub
Controller Hub
Controller Hub
400MT/s 3.2GB/s
Intel
Intel
82802AC
82802AC
(FWH0)
(FWH0)
Memory
Memory
Memory
Memory
Memory
Memory
(MCH)
(MCH)
(MCH)
(MCH)
(MCH)
(MCH)
On-board Power
On-board Power
Supplies and Hot
Supplies and Hot
Swap Circuitry
Swap Circuitry
IPMB Isolators
IPMB Isolators
IPMB Isolators
IPMB Isolators
IPMB Isolators
IPMB Isolators
IPMB Isolators
IPMB Isolators
Intel
Intel
82802AC
82802AC
(FWH1)
(FWH1)
Four
Four
Four
Four
Four
Four
184-pin
184-pin
184-pin
184-pin
184-pin
184-pin
DIMM
DIMM
DIMM
DIMM
DIMM
DIMM
Sockets
Sockets
Sockets
Sockets
Sockets
Sockets
DDR-266
DDR-266
DDR-266
DDR-266
DDR-266
DDR-266
ECC
ECC
ECC
ECC
ECC
ECC
SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
2.1 GB/s
DDR-266
2.1 GB/s
DDR-266
-48V
IPMB-A
IPMB-B
SMBUS
P10
Backplane
J23
MUX
MUX
Dual FC
Ports
Dual SFP
Dual SFP
Connectors
Connectors
MPCBL0001Fxx
products on ly
Technical Product Specification17
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Low Voltage
Low Voltage
Intel® Xeon™
Intel® Xeon™
Processor
Processor
Low Voltage
Low Voltage
Intel® Xeon™
Intel® Xeon™
Processor
Processor
Dual Fibre Channel Ports to Fabric Interface
Dual Gigabit Ethernet Ports to Base Interface
Intel NetStructure® MPCBL0001 High Performance Single Board Computer
Contents
2.2.1Low Voltage Intel® Xeon
(U36)
The MPCBL0001 SBC supports up to two Low Voltage Intel® Xeon™ processors (see Figure 20,
“Component Layout (#1)” on page 100 for locations). The Low Voltage Xeon processor
incorporates Intel
performance levels that are significantly higher than previous generations of IA-32 family
processors. The processors include the following features:
• Intel & OEM EEPROM and thermal sensor manageability features
• Supports single and dual processor configurations
• Throttling enabled for protection against high temperatures
®
NetBurst™ microarchitecture and a high-bandwidth Front-Side Bus, allowing
™
Processor CPU-0 (U35), CPU-1
The Low Voltage Xeon processor host bus utilizes a split-transaction, deferred-reply protocol. The
host bus uses source-synchronous transfer of address and data to improve through pu t at the 100 or
133 MHz bus frequency (depending on processor model). Addresses are transferred at 2X the bus
frequency while data is transferred at 4X the bus frequency, resulting in peak data transfer rates up
to 3.2 or 4.3 GBytes/s.
In addition to the NetBurst microarchitecture, the Low Voltage Intel Xeon processor includes a
groundbreaking technology called Hyper-Threading Technology
Technology improves processor performance for multithreaded applications or multitasking
environments by supporting multiple software threads on each processor.
Low Voltage Intel Xeon processors require their package case temperatures to be operated below
an absolute maximum specification. If the chassis ambient temperature exceeds a level whereby
the processor thermal cooling subsys tem can no longer maintain the specified case temperature, th e
processors will automatically enter a mode called Thermal Monitor to reduce their case
temperatures. Thermal Monitor controls the processor temperature by modulating the internal
processor core clocks, thereby reducing internal power dissipation, and does not require any
interaction by the Operating System or Application. Once the case temperatures have reached a
safe operating level, the processor will return to its non-modulated operating frequency. See the
Low Voltage Intel Xeon processor datasheet, referenced in Appendix A, “Reference Documents”,
for further details.
An optional ITP700 port connection is included to facilitate debug and BIOS/software
development efforts. This JTAG connection to the processors utilizes voltage-signaling levels that
are specific to the Low Voltage Xeon processor family. These levels must not be exceeded or
processor damage may occur. Please refer to Intel document ITP700 Debug Port Design Guide,
order number 249679-005 for additional information on the ITP connector pin definitions.
†
(HT Technology). HT
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2.2.2Chipset
The Intel® E7501 chipset consists of three major components:
®
• Intel
• Intel
• Intel
See Figure 20, “Component Layout (#1)” on page 100 for their locations.
2.2.2.1Intel® E7501 Memory Controller Hub (U22)
The Intel® E7501 Memory Controller Hub (MCH) interfaces between the processor system bus
and the memory and I/O subsystems.
Significant features are listed below:
• System/host bus features:
E7501 Memory Controller Hub (MCH)
®
82801CA I/O Controller Hub 3 (ICH3)
®
82870P2 64-bit PCI/PCI-X Controller Hub 2 (P64H2)
— Supports dual processors at either 400 or 533 MT/s or a bandwidth of 3.2 or 4.3 GBytes/s
— Supports a 36-bit system bus addressing model
Contents
— 12 deep in-order queue, two deep defer queue
Note: The current MPCBL0001 is designed to run with the Intel
processor frequency, the processor side bus (PSB) will run at 400 MT/s with a bandwidth of 3.2
GBytes/s.
• Memory subsystem features:
— 144-bit wide (72-bit x 2), DDR-266 memory interfaces with 3.2 or 4.3 GByte/s bandwidth
— Supports x72, registered DDR-266 ECC DIMMs using 64-, 128-, 256-, and 512-Mbit
SDRAMs
— Supports a maximum of 16 GBytes of memory (MPCBL0001 SBC implementation
supports a maximum of 8 Gbytes).
— Supports S4EC/D4ED ChipKill* ECC (x4 ChipKill)
• Corrects all bit errors within a single 4-bit nibble
• Detects all errors contained within two 4-bit nibbles
• Memory scrubbing supported
— Supports up to 32 simultaneous open pages
— Hardware support for auto-initialization of memory with valid ECC
• I/O features:
— Hub interface A provides HI 1.5 connection for ICH3
• 266 MB/s data bandwidth with parity protection
• 8 bits wide, 66 MHz clock, 4x data transfer (quad-pumped)
The MCH I/O subsystems interface incorporates four hub inter faces. Each Hu b interf ace is a poin tto-point connection between the MCH and an I/O bridge/device. The various components of the
chipset communicate via these connected hub interfaces:
• The first hub link connects the MCH to the ICH3.
• The next two hub link interfaces connect the MCH to P64H2 components.
• The remaining hub link is unused.
2.2.2.2Intel® 82801CA I/O Controller Hub 3 (U7)
The Intel® 82801CA I/O Controller Hub 3 (IHC3) provides the legacy I/O subsystem and
integrates advanced I/O functions. ICH3 features are listed below:
• IDE interface controller
• Three Universal Host Controller Interface (UHCI)
• USB host controllers supporting up to 6 ports (MPCBL0001 SBC implementation supports
one port on the front panel)
• Integrated I/O APIC
• SMBus 2.0 controller
• LPC interface
• Watchdog timer #3 (see “Watchdog Timers (WDTs)” on page 64)
• PCI 2.2 bus interface supporting 32bit/33 MHz operation
• Connects to MCH through Hub Interface A (HI 1.5)
The MPCBL0001 SBC implements one USB port and does not use the ICH3 PCI connection.
2.2.2.2.1PCI Bus Master IDE Interface (J24)
The ICH3 acts as a PCI based, enhanced IDE, 32-bit interface controller for intelligent disk drives
that have disk controller electronics onboard. The SBC includes a single 40-pin (2 x 20) IDE
connector (J24) that supports one master or one slave device. See Figure 20, “Component Layout
(#1)” on page 100 drawing for its location. The IDE controller provides support for an internally
mounted 2. 5” hard disk. The IDE co ntroller has the follow ing features:
• PIO and DMA transfer modes
• Mode 4 timings
• Supports Ultra ATA33/66/100 synchronous DMA
• Buffering for PCI/IDE burst transfers
• Master/slave IDE mode
• Support for up to two devices (Master/Slave) via a single primary IDE connector
(MPCBL0001 SBC implementation supports one optional physical 2.5" IDE device)
Note: Incorporating an optional IDE Hard Disk drive may significantly impact the Reliability
Specifications in Section 6.3.
Note: Performance of the IDE interface may be impacted by the DMA mode and type of DMA transfers
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used. Even though the B IOS automatically s ets the DMA mode/type, the OS could downgrade the
DMA transfer mode. Check the operating system documentation to see what DMA mode is used
by default and whether it is possible to change to a higher performance DMA mode.
The two P64H2 devices provide the system’s high-performance PCI bus support. See Figure 20,
“Component Layout (#1)” on page 100 for their locations. Each P64H2 component supports two
independent, 64-bit, PCI/PCI-X interfaces. 32-bit/33 MHz and 64-bit/66 MHz PCI bus modes are
also supported. Each PCI bus interface features:
• PCI-X 1.0 Specification compliance
• PCI Specification 2.2 compliance
• PCI-PCI Bridge Rev 1.1 compliance
• PCI Hot Plug 1.0 compliance
• I/O APIC supporting up to 24 interrupts (16 external pins)
• PCI peer-to-peer write capability between PCI ports
• SMBus target for Out-of-Band access to all internal PCI registers
Contents
Each of the two P64H2 devices (U14, U2 4) included on the MPCBL00 01 SBC pro vides t he bridge
to two independent PCI bus connections, as shown in Table 1, “P64H2 Interfaces” on page 21.
T able 1. P64H2 Interfaces
P64H2 Device Interface
U24PCI-X interface to the optional dual Fibre Channel controller
U14
The two high-speed communications interfaces ( Gigabit Ethernet and Fibre Ch annel) are located in
separate P64H2 devices to maximize data throughput. A single HI-2 hub link connection from the
P64H2 to the MCH provides a >1 Gbyte/s bandwidth back to memory and the processor System
Bus.
• PCI-X interface to the dual Gigabit Ethernet controller
• 64-bit/66 MHz PCI bus for a plug-in PMC card
2.2.3Memory (J8, J9, J10, J11)
Four DDR 266 DIMM sockets make up the memory subsystem. See Figure 20, “Component
Layout (#1)” on page 100 for their locations. The MCH defines two memory channels operating in
parallel to logically create a 144-bit wide memory data path. ECC is generated and checked across
128 bits of data, allowing for significant improvement in error correction.
Due to this architecture, DDR DIMMs must be installed in matched pairs. Memory DIMM
configurations ranging from 512 MBytes to 8 GBytes in 512 MByte increments are supported.
2.2.3.1Memory Ordering Rule for the MCH
Platforms based on the E7501 chipset require DDR DIMMs to be populated in matched pairs in a
specific order. Start with the two DIMMs furthest from the MCH in a “fill-farthest” approach (see
Figure 2). This requirement is based on the signal integrity requirements of the DDR interface.
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Contents
Figure 2. Memory Ordering
MCH, U22
J8
Fill
Last
J9
Fill
First
J11
J10
B0894-01
2.2.4I/O
2.2.4.1Super I/O (U28)
The Super I/O device (SIO) is an SMSC LPC47B272 enhanced Super I/O controller. The SIO
connects to the ICH3 th rough its LPC b us connect ion. Th e SIO provides suppor t fo r th e front panel
serial port (J17, see page 80). There is no front-panel connection to the legacy keyboard and mouse
PS/2 ports. Keyboard and mouse support are provided by the USB connection (J12, see page 87).
See Figure 13 for connector locations.
To facilitate debug and BIOS development, SIO connections such as legacy (PS/2) keyboard/
mouse and floppy may be provided on initial board revisions. Software must not rely on the
presence of these connections on future board revisions.
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2.2.4.2Real-Time Clock
The MPCBL0001 SBC real-time clock is integrated into the ICH3. It is derived from a 32.768 KHz
crystal with the following specifications:
• Frequency tolerance @ 25 ºC: ±20ppm
• Frequency stability: maximum of -0.04ppm/(ΔºC)
• Aging ΔF/f (1
st
year @ 25 ºC): ±3ppm
• ±20ppm from 0-55 ºC and aging 1ppm/year
The real-time clock is powered by a 0.22F SuperCap* capacitor when main power is not applied to
the board. This capacitor powers the real-time clock for a minimum of two hours while external
power is removed from the MPCBL0001 SBC.
See Section 3.13, “Watchdog Timers (WDTs)” on page 64 for information about the real-time
clock timers.
2.2.4.3Timer0 Capabilities
Timer0, integrated inside the ICH3, is an 8254 compatible timer. This timer is set up to generate a
periodic waveform that creates the edge for the timer0 interrupt. The interrupt is received by the
ICH3 APIC and communicated to the CPU(s).
Contents
2
MPCBL0001 provides a high-precision 14.318 MHz crystal clock source as the reference for the
timer0 counters. To improve timing accuracy, the crystal used is a low-PPM, high-stability
component with the following specifications:
• Frequency tolerance (25º C): ±10ppm
• Temperature characteristics (-10º C to +60º C): ±5ppm
• Aging: ±1pp m per year max
This timer does not operate when board power is removed.
2.2.4.4Gigabit Et hernet (U13 )
The MPCBL0001 SBC implements two Gigabit Ethernet interfaces, each of which is routed to the
fabric/switch slot through the backplane (J23, see page 85). There are no direct, external Ethernet
ports included on the SBC board. Each Ethernet connection utilizes an 82546 Dual Gigabit
Ethernet Controller, allowing support for 1000Mbits/s, 100Mbits/s and 10Mbits/s data rates.
The 82546 controller is optimized for designs using the PCI and the emerg ing PCI-X bus interface
extension. The MPCBL0001 SBC has a 133 MHz PCI-X bus connection. The integrated physical
layer circuitry (PHY) provides an IEEE 802.3 Ethernet Interface for 1000Base-T, 100Base-TX,
and 10Base-T applications.
• Host interface also compliant with the PCI-X addendum, Rev 1.0a, from 50 to 133 MHz
• Supports 64-bit addressing
• Efficient PCI bus master operation, supported by optimized internal DMA controller
Technical Product Specification23
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Intel NetStructure® MPCBL0001 High Performance Single Board Computer
Contents
• Supports advanced PCI commands such as MWI, MRM, and MRL, and PCI-X commands
such as MRD, MRB, and MWB
• Full IEEE 802.3ab auto-negotiation of speed, duplex, and flow-control configuration
• Complete full duplex and half duplex support
• Automatic MDI crossover operation for 100Base-TX and 10Base-T modes
• Automatic polarity correction
• Digital implementation of adaptive equalizer and canceller for echo and crosstalk
2.2.4.5Fibre Channel* (U23) - Optional
The QLogic* ISP2312 dual Fibre Channel controller is used for access to high-speed storage
subsystems. It is routed through backplane connector P23.
See Figure 20, “Component Layout (#1)” on page 100 for its location.
This controller supports PCI and PCI-X bus interfaces. Burst mode master DMA transfers are
utilized for efficient usage of bus bandwidth during data transfers, and 8, 16, and 32-bit accesses
are supported as a PCI target. The controller appears as two independent Fibre Channel ports. A
PCI function is assigned to each port in the device’s PC I conf iguration s pace. Func tions 0 and 1 are
used to configure FC ports 1 and 2, respectively.
Intel NetStructure® MPCBL0001 High Performance Single Board Computer
• Support for JTAG boundary scan.
• Supports IP as well as other protocols; however there are currently no plans to validate
protocols other than SCSI_FCP.
Each Fibre Channel interface of the ISP2312 includes its own internal 16-bit RISC processor and
external 7.5 ns synchronous SRAM memory for instruction code and data. Parity protection is
provided on accesses to this memory. The SBC utilizes two 256 KByte (128Kx18) SRAMs, one for
each port, for the ISP2312 memory requirements.
An external 256 x 16 non-volatile EEPROM is used to store system configuration parameters and
PCI subsyst em and subsystem vendor IDs. The first 128 bytes are used for function 0 parameters
and the second 128 bytes are used for function 1.
2.2.5PMC Connector (J25, J26, J27)
The MPCBL0001 SBC supports one 64-bit, 66 MHz PMC slot. The PMC slot is connected to the
second of two P64H2 hub controllers via PMC Connectors J25-J27. The PMC slot has an opening
in the front panel of the SBC that exposes the I/O connectors of the add-in PMC card. PMC cards
can only be added to or removed from this slot when the board is outside the system chassis. See
Figure 20, “Component Layout (#1)” on page100 for its location.
Contents
The PCI bus specification provides the means for backward compatibility with slower PMC cards
(32-bit or 33 MHz) through the use of the M66EN pin. A PMC card that does not support 66 MHz
operation grounds the M66EN pin when installed to inform the SBC hardware to provide a 33
MHz clock to this interface. Support for 32-bit only PMC cards is accomplished through the use of
the REQ64#/ACK64# PCI bus protocol.
The PMC slot provided by the SBC connects the PCI VI/O voltage pins to +3.3 V. This requires
use of PMC plug-in cards that support +3.3 V I/O signal levels. Only PMC plug-in cards
designated “+3.3 V only” or “universal” voltage I/O are supported. The PMC plug-in location
provides a key pin to prevent insertion of cards that do not meet this requirement. Note that +5 V
power is still supplied to the PMC pins designated for +5 V connections. The PMC is allotted 1.5 A
of current.
2.2.6Firmware Hub (U30, U33)
The MPCBL0001 SBC supports two 8Mbit (1 MByte) BIOS flash ROMs:
• Primary BIOS flash ROM (FWH0)
• Recovery BIOS flash ROM (FWH1)
The flash is allocated for BIOS and Firmware usage.
The SBC boots from the primary flash ROM under n ormal circums tances. During t he boot process ,
if the BIOS (or IPMC) determines that the contents of the primary flash ROM are corrupted, a
hardware mechanism is available to change the flash device select logic to the recovery flash
ROM. See Section 2.2.6.3, “Flash ROM Backup Mechanism” on page 26 for more information.
Each flash component has a separately write-protected boot block that prevents erasure when the
device is upgraded.
Technical Product Specification25
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Contents
Flash ROM BIOS updates can be performed by an end user or a network administrator over the
LAN. The system should complete booting to an OS, MS-DOS* or logon to Linux* as root user.
The system should have a local copy of the flash program and the BIOS data files or have the
capability to copy the flash program and BIOS data files onto a local drive via the network. The
flash program has a command line interface to specify the path and the file name of the BIOS data
files. After completing the BIOS ROM update the user should shutdown and reset the system to let
the new BIOS ROM take effect. See Section 7.7, “BIOS Updates” on page 112 for more
information.
2.2.6.1FWH 0 (Main BIOS)
BIOS execute code off this flash and perform checksum validation of its operational code. This
checksum occurs in the boot block of the BIOS. The BIOS image is also stored in FWH0. When
user performs BIOS update, the BIOS image will be stored in FWH 0 only. FWH0 will also store
the factory default CMOS settings user configured CMOS settings.
1. When user "Load optimal defaults" from the BIOS setup screen, it restores the factory default
by copying the "Factory Default" settings from FWH0 to ICH3 (CMOS).
2. When user "Save custom defaults" from the BIOS setup screen, the changes will be made to
the CMOS settings on ICH3 and then copied from ICH3 to FWH0.
3. When user "Load custom defaults" from the BIOS setup screen, the "custom" CMOS settings
are copied from FWH0 to ICH3.
2.2.6.2FWH 1 (Backup/Recovery BIOS)
FWH 1 stores the recovery BIOS. In the event of checksum failure on the Main BIOS operational
code, BIOS will request BMC to switch FWH, so that the board will be able to boot up from FWH1
for recovery.
User is able to boot up the board from FWH1 by executing an OEM IPMI command as well (see
Section 3.7.1, “Reset BIOS Flash Type” on page49).
2.2.6.3Flash ROM Backup Mechanism
The on-board Intelligent Platform Management Controller (IPMC) manages which of the two
BIOS flash ROMs is used during the boot process. The IPMC monitors the boot progress and can
change the flash ROM selection and reset the processor.
The default state of this control configures the primary Firmware Hub (FWH) ROM device ID to
be the boot device; the secondary FWH is assigned the next ID. The secondary FWH responds to
the address range just below the primary FWH ROM in high memory.
The Intelligent Platform Management Controller sets the ID for both FWH devices. Boot accesses
are directed to the FWH with ID = 0; unconnected ID pins are pulled low by the FWH device. In
this way the IPMC may select which flash ROM is used for the boot process.
Refer to Section 3.7.1, “Reset BIOS Flash Type” on page 49 for a descript ion of how to do this
manually.
26Technical Product Specification
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Intel NetStructure® MPCBL0001 High Performance Single Board Computer
2.2.7Onboard Power Supplies
The main power supply rails on the MPCBL0001 SBC are powered from dual-redundant -48 V
power supply inputs from the backplane power connector (P10). There are also dual redundant,
limited current, make-last-break-first (MLBF) power connections. See Figure 20, “Component
Layout (#1)” on page 100 for their location.
2.2.7.1Power Feed Fuses
As required by the PICMG 3.0 Specification, the MPCBL0001 SBC provides fuses on each of the
-48V power feeds and on the RTN connections as well. The fuses on the return feeds are critical to
prevent overcurrent situations if an ORing diode in the return path fails and there is a voltage
potential difference between the A and B return paths.
2.2.7.2ORing Diodes and Circuit Breaker Protection
The two -48 V power connectors are OR’d together. A current limiting FET switch is co nnected
between the OR’d -48 V and the primary DC-DC converters. The FET switch provides three
functions:
• A mechanism to electrically connect/disconnect the SBC to/from the two -48 V inputs.
• A soft-on function.
Contents
• An over-current circuit breaker feature.
2.2.7.3-48 V to +12 V Converter
This converter provides DC isolation between the -48 V and -48 V return connections and all of the
derived DC power on the MPCBL0001 SBC. Its output is connected to the SBC’s +12 V power
rail. The converter supplies a maximum of 9 A of current. The converter is enabled/disabled by the
onboard IPMC.
2.2.7.4-48 V to +5 V/+3.3 V Converter
This converter provides DC isolation between the -48 V and -48 V return connections and all of the
derived DC power on the MPCBL0001 SBC. Its output is connected to the SBC’s +5 V and 3.3 V
power rails. The converter supplies a maximum of 9 A of +5 V current and 9 A of +3.3 V current.
The converter is enabled/disabled by the onboard IPMC.
2.2.7.5Processor Voltage Regulator Module (VRM)
The Voltage Regulator Module (VRM) provides core power to the two Low Voltage Xeon
processors. The input to the VRM is connected to the +12 V power rail.
See Figure 20, “Component Layout (#1)” on page 100 for its location.
Technical Product Specification27
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Contents
The VRM controller is designed to support multiple processor core voltages selected by the voltage
identification (VID) pins on the pro cessor. Logic provided on the SBC ensu res that th e VRM is not
enabled if the two processors request different VID codes. In addition, the VRM is disabled until
all other voltage converters indicate “power good.” The voltage regulator module is designed to
support up to two 43 W (TDP - Thermal Design Power) processors.
Note: The +5 VSB power rail only needs to supply at least 4.0 V to properly power any circuitry that uses
the +5 VSB rail when the payl oad power (i.e., processo rs, ethernet controller, etc.) is not turned on.
Any alerts from the +5 VSB sensor when the system is not in the M4, M5, or M6 states should be
ignored.
2.2.7.6IPMB Standby Power
This converter provides DC isolation between the -48 V and -48 V return connections and all of the
derived DC power on the MPCBL0001. Its output is connected to the IPMB and standby +5 V
power rail of the SBC. The converter supplies a maximum of 1.5 A of +5 V current. A +3.3 V
management voltage is derived from the IPMB power by means of a linear regulator circuit and is
used to power most of the IPMC functions. Standby power is derived from the -48 V rails and is
always available on the SBC unless the overall system power rail (-48 V) is shut down.
28Technical Product Specification
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Intel NetStructure® MPCBL0001 High Performance Single Board Computer
Contents
Hardware Management Overview3
The Intelligent Platform Management Controller (IPMC) is an Intel-designed baseboard
management controller device manufactured by Philips Semiconductor* for Intel.
The high-level architecture of the baseboard management for MPCBL0001 is represented in the
block diagram below.
Figure 3. Hardware Management Block Diagram
ADM 1026
Wat chdog Tim er
CPU
(Low Voltage Int el
Xeon™)
Intel® E7501 Memory
Cont roller Hub (MCH)
ICH3
Intelligent Platf orm
Management C ontroller
(IPMC)
Flash
Mem ory
SRAM
®
NOTE:
IPMB A
I
M
P
B
B
I2C Bus
KCS interface
Logic C onnect ion
Backplane
(P10)
The main processors communicate with the IPMC using the Keyboard Controller Style (KCS)
interface. Two KCS interfaces are available for the BIOS to communicate to the IPMC. BIOS uses
SMS interface for normal communication and SMM interface when executing code und er s ys tems
management mode (SMM). The base address of the LPC interface for SMS is 0xCA2 and 0xCA4
for SMM operation. Besides that, the BIOS is able to communicate with the IPMC for POST error
logging purposes, fault resilient purposes, and critical interrupts via the KCS interface.
The memory subsystem of the IPMC consists of a flash memory to hold the IPMC operation code,
firmware update code, system event log (SEL), and a sensor data record (SDR) rep ository. RAM is
used for data and occasionally as a storage area for code when flash programming is under
execution. The field replacement unit (FRU) inventory information is stored in the nonvolatile
memory on ADM1026. The flash memory can store up to 64 KBytes of SEL events and SDR
information, while the ADM1026 can store up to 512 bytes of FRU information. Having the SEL
and logging functions managed by the IPMC helps ensure that ‘post-mortem’ logging information
is available even if the system processor becomes disabled.
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The IPMC provides six I2C bus connections. Two are used as the redundant IPMB bu s conn ections
to the backplane while another one is used for communication with the ADM1026. The remaining
buses are unused. If an IPMB bus fault or IPMC failure occurs, IPMB isolators are used to switch
and isolate the backplane/system IPMB bus from the faulted SBC board. Where possible, the
IPMC activates the redundant IPMB bus to re-establish system management communication to
report the fault.
The onboard DC voltages are monitored by the ADM1026 device, manufactured by Analog
Devices. The IPMC queries the ADM1026 over a local system management I
ADM1026 includes voltage threshol d setting s that can be co nfigured to gene rate an interr upt to t he
IPMC if any of the thresholds are exceeded.
To increase the reliability of the MPCBL0001 SBC, a watchdog timer is implemented, whereby it
strobes an external watchdog timer at two-second intervals to ensure continuity of operation of the
board’s management subsystem. If the IPMC ceases to strobe the watchdog timer, the watchdog
timer isolates the IPMC from the IPMBs and resets the IPMC. The watchdog timer exp ires after six
seconds if strobes are not generat ed , and i t res et s the IP MC. D etail ed i n form atio n on the w atch dog
timer configuration can be queried using standard IPMI v1.5 watchdog timer commands. The
watchdog timer does not reset the payload power.
3.1Sensor Data Record (SDR)
Sensor Data Records contain information about the type and number of se nsors in the baseboard,
sensor threshold support, event generation capabilities, and the types of sensor readings handled by
system management firmware.
The MPCBL0001 management controller is set up as a satellite management controller (SMC). It
does support sensor devices, whose population is static by nature. SDRs can be queried using
Device SDR commands to the firmware. Refer to Section B, “List of Supported Commands (IPMI
v1.5 and PICM G 3.0)” on page 189 for the list of supported IPMI commands for SDRs. Hardware
sensors that have been implemented are listed below.
Table 2. Hardware Sensors (Sheet 1 of 3)
2
C bus. The
Sensor
Number
01hPower UnitPayload PowerIPMCPower OnSoft power control
03hWatchdog Timer IPMC Watchdog
06hSystem Firmware
07hCPU Critical
08hMemory ErrorECC Multiple Bit
Sensor Type
Progress
Interrupt
Voltage/Signals
Monitored
Timer timeout
PCI SERRIPMCPower OnPCI SERR signal
PCI PERRIPMCPower OnPCI PERR signal
error
ECC Single Bit error IPMCPower OnNo change
Monitored
via
IPMCPower On/
IPMCPower OnNo change
IPMCPower OnMultiple Bit Error or
Scanning
Enabled
under Power
State
Off
Health LED
(Green to Red)
failure (Offset Bit 05h
asserted
No change
asserted
asserted
Uncorrectable ECC
occurred
30Technical Product Specification
Order #273817
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