API UP2000+ User manual

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© 2000 Alpha Processor, Inc. All rights reserved.
Part #: 51-0042-1B
Date: 7/24/00
Alpha Processor, Inc.
A Samsung Company
130C Baker Avenue Extension
Concord, MA 01742
Tel: [phone]
Fax: [phone]
Alpha Processor, Inc. reserves the right to make changes in its products without notice in
order to improve design or performance characteristics.
This document is considered to be preliminary with further revisions and corrections in
process. Alpha Processor, Inc. makes no representations or warranties with respect to the
accuracy or completeness of the contents of this publication or the information contained
herein, and reserve the right to make changes at any time, without notice. Alpha Processor,
Inc. disclaims responsibility for any consequences resulting from the use of the information
included in this publication.
This publication neither states nor implies any representations or warranties of any kind,
including but not limited to, any implied warranty of merchantability or fitness for a
particular purpose. Alpha Processor, Inc. products are not authorized for use as critical
components in life support devices or systems without Alpha Processor, Inc.’s written
approval. Alpha Processor, Inc. assumes no liability whatsoever for claims associated with
the sale or use (including the use of engineering samples) of Alpha Processor, Inc. products
exceptasprovidedin AlphaProcessor, Inc.’sTermsandConditionsof Saleforsuchproducts.
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Product names used in this publication are for identification purposes only and may be
trademarks of their respective companies.
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The information in this publication is preliminary, and is believed to be accurate at the time
of publication. Alpha Processor, Inc. makers no representations or warranties with respect
to the accuracy or completeness of the contents of this publication or the information
contained herein, and reserves the right to make changes at any time, without notice.

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Date Rev Description
6/22/00 51-0042-1A UP2000+ User Manual first product release. This manual describes
the Alpha Processor, Inc. part number UP2000-B1.
7/24/00 51-0042-1B Add DDR Slot B support.

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Revision History iii
Table of Contents iv
List of Figures . . . . . . . . . . . . . . . . . vii
List of Tables . . . . . . . . . . . . . . . . . . viii
Preface x
Chapter 1 Introduction 1-1
1.1 Features. . . . . . . . . . . . . . . . . . . . 1-1
1.2 System Components . . . . . . . . . . . . . . . 1-3
Chapter 2 System Configuration 2-1
2.1 Board Layout and Components . . . . . . . . . . . 2-1
2.1.1 Configuration Requirements . . . . . . . . . . . 2-1
2.1.2 SCSI Connections . . . . . . . . . . . . . . . 2-4
2.1.3 Status Indicators. . . . . . . . . . . . . . . . 2-4
2.2 Memory Configuration . . . . . . . . . . . . . . 2-4
2.3 Configuration Jumpers . . . . . . . . . . . . . . 2-6
2.3.1 Processor Voltage Selection . . . . . . . . . . . . 2-6
2.3.2 Serial Remote Reset Disable. . . . . . . . . . . . 2-7
2.3.3 Diagnostics and Flash Recovery . . . . . . . . . . 2-7
2.3.4 Flash Write Protection. . . . . . . . . . . . . . 2-8
2.3.5 Cache Disable . . . . . . . . . . . . . . . . 2-8
Chapter 3 Electrical and Physical Data 3-1
3.1 Power Specifications . . . . . . . . . . . . . . . 3-1
3.1.1 Power Connectors . . . . . . . . . . . . . . . 3-1
3.1.2 Power Supply . . . . . . . . . . . . . . . . 3-2
3.1.3 Estimated Maximum Power Consumption . . . . . . 3-3
3.2 Environmental Specifications . . . . . . . . . . . . 3-4
3.2.1 Safety . . . . . . . . . . . . . . . . . . . 3-5
3.2.2 EMI . . . . . . . . . . . . . . . . . . . . 3-5
3.2.3 Thermal . . . . . . . . . . . . . . . . . . 3-5
3.3 Enclosure Requirements . . . . . . . . . . . . . . 3-7
3.3.1 Pedestal Installations . . . . . . . . . . . . . . 3-8
3.3.2 PowerRAC Chassis 320 Installations. . . . . . . . . 3-9
3.4 Physical Parameters . . . . . . . . . . . . . . . 3-10
3.4.1 UP2000+ Motherboard Parameters . . . . . . . . . 3-10
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3.4.2 Alpha Slot B Module Parameters . . . . . . . . . . 3-10
3.4.3 UP2000+ Motherboard Mounting Hole Specifications. . . 3-10
3.4.4 I/O Shield. . . . . . . . . . . . . . . . . . 3-12
Chapter 4 Software Support 4-1
4.1 Software Overview . . . . . . . . . . . . . . . . 4-1
4.1.1 SROM Code . . . . . . . . . . . . . . . . . 4-1
4.1.2 Alpha SRM Console . . . . . . . . . . . . . . 4-1
4.1.3 Operating System . . . . . . . . . . . . . . . 4-1
4.2 Alpha SRM Console . . . . . . . . . . . . . . . 4-2
4.2.1 Invoking the SRM Console . . . . . . . . . . . . 4-2
4.2.2 Command Summary . . . . . . . . . . . . . . 4-2
4.2.3 Displaying the System Configurations . . . . . . . . 4-6
4.2.4 Booting the Operating System . . . . . . . . . . . 4-10
4.2.5 Updating Firmware . . . . . . . . . . . . . . 4-11
4.2.6 Using Environment Variables . . . . . . . . . . . 4-12
4.2.7 Environment Variable Summary . . . . . . . . . . 4-13
4.2.8 Finding Help . . . . . . . . . . . . . . . . . 4-22
4.3 Installing the Linux Operating System . . . . . . . . . 4-23
4.3.1 Requirements. . . . . . . . . . . . . . . . . 4-24
4.3.2 Setting Environmental Variables . . . . . . . . . . 4-24
4.3.3 Starting the Linux OS Installation. . . . . . . . . . 4-26
4.3.4 After Installing Linux . . . . . . . . . . . . . . 4-27
Chapter 5 Troubleshooting 5-1
5.1 Hardware Startup . . . . . . . . . . . . . . . . 5-1
5.1.1 No Video Present . . . . . . . . . . . . . . . 5-1
5.1.2 LED Status Indicators . . . . . . . . . . . . . . 5-1
5.1.3 POST Codes . . . . . . . . . . . . . . . . . 5-2
5.1.4 Beep Codes . . . . . . . . . . . . . . . . . 5-3
5.2 Error Recovery . . . . . . . . . . . . . . . . . 5-4
5.2.1 Error Conditions . . . . . . . . . . . . . . . 5-4
5.2.2 Error Recovery Procedure . . . . . . . . . . . . 5-5
Appendix A Connectors and Pinouts A-1
A.1 Power Connector Pinouts . . . . . . . . . . . . . A-2
A.2 Non-standard Connections . . . . . . . . . . . . . A-3
A.3 Standard Connectors . . . . . . . . . . . . . . . A-7
Appendix B Support, Products and Documentation B-1
B.1 Customer Support . . . . . . . . . . . . . . . . B-2
B.2 Supporting Products . . . . . . . . . . . . . . . B-2

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B.3 Alpha Products . . . . . . . . . . . . . . . . . B-2
B.4 Documentation . . . . . . . . . . . . . . . . . B-3
Index Index-1
Publication Evaluation Form Form-1

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Figure: 1-1 UP2000+ Functional Block Diagram . . . . . . . . . . 1-4
2-1 UP2000+ Motherboard Layout . . . . . . . . . . . . 2-2
2-2 Memory Subsystem . . . . . . . . . . . . . . . . 2-5
2-3 Configuration Jumper Blocks . . . . . . . . . . . . 2-6
3-1 Power Connectors . . . . . . . . . . . . . . . . 3-2
3-2 Thermally-sensitive Components . . . . . . . . . . . 3-6
3-3 Mounting Hole Specifications . . . . . . . . . . . . 3-11
5-1 LED Locations. . . . . . . . . . . . . . . . . . 5-2
5-2 J29 Firmware Configuration Jumper Block . . . . . . . . 5-4
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Table: 1-1 UP2000+ Product Features . . . . . . . . . . . . . 1-1
2-1 UP2000+ Motherboard Jumper and Connector Component List 2-3
2-2 Diagnostics and Flash Recovery Configuration Settings (J29) . 2-7
3-1 Recommended Power Supply . . . . . . . . . . . . 3-2
3-2 Estimated Power Consumption–UP2000+ Motherboard . . . 3-3
3-3 Estimated Power Consumption–Primary Alpha Slot B Module,
8 MB L2 Cache . . . . . . . . . . . . . . . . . 3-4
3-4 Estimated Power Consumption–Secondary Alpha Slot B Module,
8 MB L2 Cache . . . . . . . . . . . . . . . . . 3-4
3-5 Environmental Requirements . . . . . . . . . . . . 3-4
3-6 Maximum Component Case Temperatures . . . . . . . . 3-7
3-7 UP2000+ Motherboard Physical Parameters . . . . . . . 3-10
3-8 Alpha Slot B Module Physical Parameters . . . . . . . . 3-10
3-9 Rear Panel I/O Connectors . . . . . . . . . . . . . 3-12
4-1 Summary of SRM Console Commands . . . . . . . . . 4-3
4-2 SRM Console Commands Syntax . . . . . . . . . . . 4-4
4-3 SRM Console Special Characters . . . . . . . . . . . 4-5
4-4 Device Naming Convention . . . . . . . . . . . . . 4-8
4-5 PCI Address Assignments . . . . . . . . . . . . . 4-8
4-6 Boot Command Options . . . . . . . . . . . . . . 4-10
4-7 Set Envar Options . . . . . . . . . . . . . . . . 4-13
4-8 Environment Variable Summary . . . . . . . . . . . 4-14
4-9 Auto_Action Options . . . . . . . . . . . . . . . 4-15
4-10 Boot_Osflags Options . . . . . . . . . . . . . . . 4-16
4-11 ew*0_mode Options. . . . . . . . . . . . . . . . 4-17
4-12 ew*0_protocols Options . . . . . . . . . . . . . . 4-18
4-13 Language Options . . . . . . . . . . . . . . . . 4-19
4-14 pk*0_soft_term Options . . . . . . . . . . . . . . 4-22
4-15 SRM Console Variables. . . . . . . . . . . . . . . 4-25
5-1 LED Status Indicators . . . . . . . . . . . . . . . 5-2
5-2 POST Codes Descriptions . . . . . . . . . . . . . . 5-3
5-3 Beep Code Descriptions . . . . . . . . . . . . . . 5-3
5-4 Jumper Settings for Error Recovery Procedures . . . . . . 5-5
A-1 ATX Power Connector Pinouts (J26) . . . . . . . . . . A-2
A-2 AUX ATX Power Connector (PSCONN6) Pinouts (J28). . . . A-2
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A-3 Alpha Slot B Module Power Connector
(PSCONN4) Pinouts (J25) . . . . . . . . . . . . . . A-3
A-4 Processor Configuration Connector Pinout (J31) . . . . . . A-3
A-5 AC Fail/Rack# Connector Pinout (J36) . . . . . . . . . A-3
A-6 System Management Expansion Connector Pinout (J40) . . . A-5
A-7 Speaker Connector Pinout (J41) . . . . . . . . . . . . A-5
A-8 Debug Port Connector Pinouts (J42, J43). . . . . . . . . A-6
A-9 System Power Button Connector Pinout (J44) . . . . . . . A-6
A-10 Halt Button Connector Pinout (J45) . . . . . . . . . . A-6
A-11 Reset Button Connector Pinout (J47) . . . . . . . . . . A-7
A-12 UP2000+ Standard Connectors . . . . . . . . . . . . A-7

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This manual describes the Alpha Processor, Inc. UP2000+ product,
including the UP2000+ Motherboard and the Alpha Slot B Module.
Task-oriented topics include a description of how to:
n Install an operating system
n Check or change system configurations
n Troubleshoot basic system problems
Hardware-oriented topics include how to:
n Configure the memory subsystem
n Configure the output voltage for the CPU
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This manual is intended for technicians and engineers who support
resellers, dealers, system integrators and OEM vendors supplying
UP2000+ systems.
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This manual describes the features, configuration options, functional
operation, troubleshooting analysis and user interface of the system and
its firmware. It is a companion piece to the Alpha Processor Inc.UP2000+
document set that includes the UP2000+ Quick Start Installation Guide
(51-0041) and the UP2000+ Technical Reference Manual (51-0039).
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The UP2000+ User Manual is organized as follows:
n Chapter 1, “Introduction,”presents the product features and includes
a functional block diagram of the system.
n Chapter 2, “System Configuration,”provides a pictorial layout of the
UP2000+ Motherboard with its key components. Configuration
elements include main memory guidelines, firmware configuration
settings, and CPU configuration settings.

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n Chapter 3, “Electrical and Physical Data,”furnishes the electrical and
environmental requirements, and physical board dimensions.
n Chapter 4, “Software Support,”describes the firmware that forms the
UP2000+ user interface. Topics include installing and upgrading a
Linux operating system, as well as displaying and configuring system
parameters.
n Chapter 5, “Troubleshooting,”discusses solutions for hardware and
software problems encountered during system startup. System
upgrade and system error recovery techniques are provided.
n Pinouts for the non-standard connectors used in the UP2000+ are
provided in Appendix A, “Connectors and Pinouts.”This appendix
also contains a list of all other connectors used in the UP2000+, which
are industry standard parts.
n Appendix B, “Support, Products and Documentation,”provides
directions for obtaining additional product information and technical
support.
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This section defines product-specific terminology, abbreviations, and
other conventions used throughout this manual.
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This manual uses the following type conventions:
n Variable information and document titles appear in italic type.
n Text that you type is shown in bold Courier font.
n Type that appears on a screen, such as an example of computer output,
is shown in Courier font.
n Two key names joined with a forward slash are simultaneous
keystrokes. Press down the first key while you type the second key, as
in press Ctrl/S.
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The following is a list of the acronyms used in this document and their
definitions.

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Abbreviation Meaning
API Application Program Interface
BIOS Basic Input/Output System
CE European Conforming
CPU Central Processing Unit
cUL Canadian Underwriters Laboratory
DBM Debug Monitor
DDR Double Data Rate
DIMM Dual Inline Memory Module
DMA Direct Memory Access
DRAM Dynamic Random Access Memory
EIDE Enhanced Integrated Device Electronics
EMI Electromagnetic Interference
FDD Floppy Disk Drive
FIFO First In, First Out
FPGA Field Programmable Gate Array
HCL Hardware Compatibility List
HDD Hard Disk Drive
IDE Integrated Device Electronics
ISA Industry Standard Architecture
LED Light Emitting Diode
LFU Loadable Firmware Update
LVD Low Voltage Differential
LW Late Write
MOP Maintenance Operation Protocol
OEM Original Equipment Manufacturer
NVRAM Non-Volatile Random Access Memory
PAL Privileged Architecture Library
PCI Peripheral Component Interconnect
PIO Programmed Input/Output
PLL Phase Locked Loop
PCB Printed Circuit Board
SCSI Small Computer System Interface
SDRAM Synchronous Dynamic Random Access Memory
SRM System Reference Manual

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SROM Serial Read-only Memory
SRAM Static Random Access Memory
SSRAM Synchronous SRAM
TIG TTL Integrated Glue Logic
UART Universal Asynchronous Receiver Transmitter
UL Underwriters Laboratory
USB Universal Serial Bus
Abbreviation Meaning

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This chapter provides an overview of the UP2000+ product, including its
components and features.
The UP2000+ product consists of a UP2000+ Motherboard and one or two
Alpha Slot B Modules. The Alpha Slot B Module consists of the 21264
microprocessor, Bcache (level 2 cache) and voltage converters to convert
from 12 or 5 Volts to between 2.2 and 1.5 Volts.
Note: The position in which you use an Alpha Slot B Module on the UP2000+
Motherboard, primary connection or secondary connection, determines
the following:
•J23 provides the connection for the primary, or first, Alpha Slot B
Module and runs on 12V
•J22 provides the connector for the secondary, or second, Alpha Slot B
Module and runs on 5V
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Table 1-1 provides a summary of the UP2000+ product features.
Table 1-1 UP2000+ Product Features
Feature Description Manufacturer
Physical Form Factor: ATX Extended (12 inch X 13 inch)
Daughter Card
Interface:
Supports one or two Alpha Slot B Modules using either of
the following types of processors:
Note: You must use only one type of processor on a motherboard. Do not mix
types of processors on a motherboard. Alpha
Processor, Inc.
• Alpha 21264/21264A processors, at speeds of 667 or
750 MHz
•Alpha 21264B Double Data Rate (DDR) processor, at
speeds of 833 MHz

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Chipset:
21272 (Tsunami)—One Cchip, four Dchips, and two
Pchips provide the following:
Compaq
Computer
Corporation
•Maximum 83 MHz system bus with Double Data Rate
(DDR) transfers, maximum bandwidth of
2.67 GBytes/second
•One 256-bit memory bus
•Two 64-bit, 33 MHz PCI buses, with two 64-bit slots
and one 32-bit slot on each bus
Cache:
External L2 cache with 128-bit data path for an Alpha
Slot B Module supports:
•2 MB or 4 MB cache per 667 MHz processor, Late Write
(LW) Synchronous SRAMS (SSRAMs)
•8 MB cache per 750 MHz processor, LW SSRAMs
•4 MB or 8 MB cache per 833 MHz DDR processor, DDR
SRAMs
Main Memory:
•Eight 168-pin Dual Inline Memory Module (DIMM)
sockets, up to 2 GB (256 MB per DIMM)
•Supports Phase Locked Loop (PLL) or Register-based
Synchronous Direct Random Access Memory
(SDRAM) Serial Presence Detect (SPD) modules of
64 MB, 128 MB, and 256 MB
•Low Voltage Transistor-Transistor Logic (LVTTL)
compatible memory I/O
Power: AT- or ATX-compatible power connector, supplying
+3.3 Vdc, ± 5 Vdc, and ± 12 Vdc
On-board I/O:
•CY82C693UB Peripheral Component Interconnect
(PCI)/Industry Standard Architecture (ISA) Bridge
(PCI Local Bus Specification Revision 2.1 compliant),
Enhanced Integrated Device Electronics (EIDE)
controller, and two Universal Serial Bus (USB) ports
Cypress
•AIC-7891 Small Computer System Interface (SCSI)
Controller (Ultra2 SCSI), connections for up to 15 SCSI
devices Adaptec
•FDC37C669 Super Input/Output (I/O) Controller—
2.88 MB Floppy Disk Controller (FDC), Parallel port,
two NS16C550-compliant Serial ports, Real-time
Clock (RTC) port, Keyboard, and Mouse SMC
I/O Slots:
•Four 64-bit, 33 MHz PCI Slots, PCI Local Bus
Specification Revision 2.1 compliant
•Two 32-bit, 33 MHz PCI Slots, PCI Local Bus
Specification Revision 2.1 compliant
•One ISA Slot (Shared)
Table 1-1 UP2000+ Product Features (Continued)
Feature Description Manufacturer

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The UP2000+ is implemented in industry-standard parts and uses one or
two 21264 central processing units (CPUs). The functional components of
the UP2000+ are shown in block diagram form in Figure 1-1. A detailed
description of system components is provided in Chapter 1, “Functional
Description,”of the UP2000+ Technical Reference Manual (P/N 51-0039).
Note: Refer to the list of Acronyms on page x of the Preface for a definition of
terminology used in the block diagram.
Firmware: •Embedded Alpha System Reference Manual (SRM)
Console
System Management
(via PCI-ISA Bridge
I2C Controller or
System Management
Expansion Connector
J40):
•Monitoring of processor and motherboard voltages
and fan speeds
•Monitoring of processor thermal state
•Detection of processor and motherboard presence,
versions, and asset record
•Detection of system and power supply status and
power supply inhibiting
•Indication of system error for both hardware and
software detected problems
Table 1-1 UP2000+ Product Features (Continued)
Feature Description Manufacturer

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Figure 1-1 UP2000+ Functional Block Diagram
PCI - Bus 1
Dchip
(4)
Cchip P Chip
(2)
Main
Memory
SDRAM
8DIMMs
PCI/ISA Bridge
( CY82C693UB )
Super I/O
(SMC669)
Flash
ROM Config IRQ
ISA Bus
6 PCI Slots
* 1 memory bus: 256-bit
Sysdata
capbus
Memdata*
TigBus
Motherboard
21272
PCI - Bus 0
Cmd/addr
21264
L2 Cache
2/4/8 MB
(1 or 2)
Alpha Slot B
Module
1 ISA Slot
padbus
Mouse
Keyboard
Parallel Port
Serial Ports
Floppy Diskette
USB
I
2
C
IDE
AIC
7891
AIC
3860
Ultra2
LVD
SCSI
SE
Ultra
Wide
SCSI

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This chapter describes the layout and configuration of the UP2000+
components.
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The UP2000+ Motherboard uses onboard connectors for:
n Alpha Slot B Modules
n Memory modules
n PCI and ISA modules
n Rear Panel I/O peripherals (keyboard, mouse, serial, parallel, and
USB)
n SCSI devices
n IDE and floppy disk devices
n System power
n Connections for system indicators and buttons
All UP2000+ connectors and configuration jumpers are shown in
Figure 2-1, which depicts the UP2000+ Motherboard and its components.
Table 2-1 identifies the components shown in Figure 2-1. Appendix A
contains a complete description of the connectors and pinouts used in the
UP2000+.
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The UP2000+ automatically configures the L2 cache size, and the clock
frequencies for the 21272 chipset and the 21264 CPU.
A two-pin jumper block, J31, selects the correct output voltage for the
Alpha Slot B Module CPU. No jumper is required for a 21264B processor.
For a 21264/21264A processor, a jumper is required on J31. Information is
provided with each Alpha Slot B Module to identify which type of
processor is present in the module.
Jumper block J29 makes use of manually inserted two-pin shunts to
configure the UP2000+ for upgrade or error recovery functions. See
section 5.2, “Error Recovery,”on page 5-4 for details on these procedures.

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Figure 2-1 UP2000+ Motherboard Layout
Cchip
Dchip 0
Dchip 1 Dchip 3
Dchip 2
Pchip 0 Pchip 1
CY82C693
PCI->ISA
Adaptec
AIC-7891
Flash ROM
BATTERY FD37C669
Adaptec
AIC-3860
TIG
Logic
Reset
EPLD
UW SCSI (SE)
Floppy Conn.
U2 SCSI (LVD)
DIMM 2, Bank 0
DIMM 6, Bank 1
DIMM 3, Bank 0
DIMM 7, Bank 1
DIMM 0, Bank 0
DIMM 4, Bank 1
DIMM 1, Bank 0
DIMM 5, Bank 1
ISA Slot
PCI 32-bit Slot 2, Bus 0
PCI 64-bit Slot 4, Bus 1
PCI 32-bit Slot 5, Bus 1
PCI 64-bit Slot 3, Bus 1
PCI 64-bit Slot 0, Bus 0
PCI 64-bit Slot 1, Bus 0
Secondary Alpha Slot-B (5V)
Primary Alpha Slot-B (12V)
J5
J6
J7 J8 J9 J12
J4 J3
J17
J16
J15
J14
J24 J23
J22
J25 J26
J28
J21
J20
J19
J18
J33J32
IDE Conn.
J30
N OTE : P IN 1 OF EACH
JUMPERIS INDICATED IN
BLACK
.
J13
J29
J11
J10
J35
J41
J42
J43
J44 D7
D6
D4
D8 D9
D10
D11
J39
J37
J36 J27
J47
J34
J2
J1
J45
J40
J50 J51
J38
J31

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Table 2-1 UP2000+ Motherboard Jumper and Connector Component List
Comp.
No. Specification Comp. No. Specification
J1 Power Good Light Emitting Diode
(LED) Connector J2 Hard Disk Drive (HDD) Activity LED Connector
J3 Keyboard/Mouse Connector J4 USB Connector
J5 D-SUB Connector (Serial IO/
Parallel IO) J6 ISA Expansion Bus Connector
J7 32-bit PCI Slot 5, Bus 1 Connector J8 64-bit PCI Slot 4, Bus 1 Connector
J9 64-bit PCI Slot 3, Bus 1 Connector J10 32-bit PCI Slot 2, Bus 0 Connector
J11 64-bit PCI Slot 1, Bus 0 Connector J12 64-bit PCI Slot 0, Bus 0 Connector
J13 Reset Electrically Programmable
Logic Device (EPLD) In-system
Programmability (ISP) Connector J14 168-pin DIMM 0 Socket, Bank 0
J15 168-pin DIMM 4 Socket, Bank 1 J16 168-pin DIMM 1 Socket, Bank 0
J17 168-pin DIMM 5 Socket, Bank 1 J18 168-pin DIMM 2 Socket, Bank 0
J19 168-pin DIMM 6 Socket, Bank 1 J20 168-pin DIMM 3 Socket, Bank 0
J21 168-pin DIMM 7 Socket, Bank 1 J22 Alpha Slot B Connector for
Secondary Module (5V)
J23 Alpha Slot B Connector for Primary
Module (12V) J24 Floppy Disk Drive (FDD) Connector
J25 Alpha Slot B Module Power
Connector (4 pin) J26 ATX Power Connector (20 pin)
J27 System Fail LED Connector J28 AUX ATX Power Connector (6 pin)
J29 Firmware Configuration Jumper J30 IDE Bus Connector
J31 Processor Configuration Jumper J32 Ultra-wide SCSI Single-ended (SE)
Connector
J33 Ultra-wide SCSI Low Voltage
Differential (LVD) Connector J34 Buzzer Connector
J35 Secondary Fan Connector1J36 AC Fail/Rack# Connector2
J37 Primary Fan Connector1J38 Secondary Fan Connector1
J39 Primary Fan Connector1J40 System Management (SM) Expansion
Connector
J41 Speaker Connector J42 Secondary Alpha Slot B Module
Debug Port (SROM) Connector
Notes: 1. When you usethe UP2000+ in the PowerRAC Chassis 320, connect J37 and J39 to the Alpha Slot B Module fans,
and connect J35 and J38 to the PCI slot fans. When you use the UP2000+ in a pedestal enclosure, connect J37
and J39 to the primary Alpha Slot B Module fans, and connect J35 and J38 to the secondary Alpha Slot B
Module fans.
2. When you use the UP2000+ in the PowerRAC Chassis 320, connect J36 to the enclosure power supply with the
supplied cable. When you use the UP2000+ in a pedestal enclosure, do not connect J36 to anything.
3. If you use the UP2000+ in a pedestal enclosure., you may have optional system fans in the enclosure which you
can connect using J50 and J51. Both connectors are limited to 1A@12V usage.