Texas Micro P5000HX-M-WMB series User manual

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Service Manual
© Texas Micro Inc.
All Rights Reserved
Printed in USA
P5000HX(-M)-WMB
Series Motherboard
25716B
March 1999
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i P5000HX(-M)-WMB Series Motherboard Service Manual
Limited Warranty
A. Texas Micro Inc. warrants that the item sold by it hereunder will be free from defects in materials or
workmanship, under normal use and service, for a period of 2 years from date of shipment. Said item
will meet the specifications in effect at the time of manufacture. Texas Micro's sole obligation under this
warranty shall be, at its option, to repair or replace, without charge, any defective component of said
item, within a reasonable period of time.
B. Texas Micro Inc. shall not be liable under this warranty for (i) the item that the Buyer alleges to be
defective and was repaired or altered by someone other than Texas Micro's designated personnel or
authorized representative, unless such repair or alteration was effected pursuant to prior written approval
of Texas Micro, or (ii) where the Buyer fails to notify Texas Micro of any alleged defect within the
period of warranty, or (iii) where the Buyer fails to return the allegedly defective item to Texas Micro
Inc., in Houston, Texas, USA, freight prepaid, or (iv) where the item was altered or damaged in a way
which Texas Micro reasonably determines to affect the performance and reliability of the item, or (v)
where the item was subject to misuse, neglect, or accident. The rights and remedies granted to the Buyer
under this paragraph constitute the Buyer's sole and exclusive remedy against Texas Micro Inc., its
officers, agents, and employees, for negligence, inexcusable delay, breach of warranty, express or
implied, or any other default relating to the item or Texas Micro's duties to eliminate any errors.
This warranty supersedes any other warranty, whether expressed, implied, or statutory, including but not
limited to any warranty for fitness of purpose, merchantability, or freedom from infringement or the like, and
any warranty otherwise arising out of any proposal, specifications, or sample. Furthermore, Texas Micro Inc.
neither assumes nor authorizes any person to assume for it any other liability.
The software included with this equipment is warranted only in accordance with the terms of its license
agreement. Except as warranted in that license agreement, the manufacturer of the software disclaims all
warranties and conditions with regard to the software, including all implied warranties and conditions of
merchantability, fitness for a particular purpose, title, and non-infringement.
Every effort has been made to ensure that the information provided in this manual is complete and accurate.
However, technical inaccuracies or typographical errors may be inadvertently included. Texas Micro
assumes no responsibility for any errors that may be contained in this document. Texas Micro makes no
promise to update or keep current the information contained in this document. Information in this document,
including product specifications, is subject to change without notice.
Any rights not expressly granted herein are reserved.
All tradenames referenced are the service mark, trademark, or registered trademark of the respective manufacturer.
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Service Manual P5000HX(-M)-WMB Series Motherboard ii
Important
Always use caution when handling or operating the system. Only qualified and experienced electronics
service personnel should access the unit’s interior. Use extreme caution when installing or removing
components. If you have any questions, please contact Texas Micro Technical Support at [phone] or
[phone] Monday through Friday between 7:00 a.m. and 6:00 p.m., Central Time, Continental USA.
Wichtig
Arbeiten am System bzw. Betrieb des Systems, sollten immer mit der nötigen Vorsicht vorgenommen
werden. Nur qualifiziertes und ausgebildetes Fachpersonal sollte am Inneren des Gerätes arbeiten. Beim
Installieren und Entfernen von Komponenten ist besondere Vorsicht geboten.
Für weitere Informationen wenden Sie sich bitte an den Technical Support von Texas Micro:
•USA: [phone] oder [phone] Montags bis Freitags von 0700 Uhr bis 1800 Uhr, Central USA.
•International: [phone] Montags bis Freitags von 0900 Uhr bis 1800 Uhr. (CET GMT +1.00)
Changes or modifications not expressly approved by Texas Micro Inc. could
void the product warranty and the user's authority to operate the equipment.
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iii P5000HX(-M)-WMB Series Motherboard Service Manual
Notice
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can emit radio frequency energy and, if not installed and used in
accordance with this instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference, in which case, the
user will be required to correct the interference at the user's expense.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions:
•This device may not cause harmful interference
•This device must accept any interference received, including interference that may cause undesired
operation
Any change or modification not expressly approved by the manufacturer is prohibited and could void the
user's authority to operate the equipment.
This product also meets requirements for compliance with EN55022, Class B ITE.
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Service Manual P5000HX(-M)-WMB Series Motherboard iv
Document Conventions
Typography Title Case Titles of menus, windows, tabs, lists, and groups.
Bold Title Case Names of menu items, fields, buttons, icons, check boxes, list
items, group items, and keystrokes.
UPPER CASE Acronyms and abbreviations.
Italics Emphasis.
Sans Serif Type Items in tables, illustrations, and notations.
Monospace Type Output from a printer or monitor. Graphic items will be
displayed as an image.
Symbols Notice:
This symbol indicates an item for special consideration.
Warning:
This symbol indicates the presence of a potential hazard that can
cause personal injury. Only qualified and trained electronics
service personnel should access the equipment.
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v P5000HX(-M)-WMB Series Motherboard Service Manual
Customer Support
Calling
Technical
Support
Step Action
1Have the Texas Micro product model and serial number available.
2•In the Continental USA, Monday — Friday, 7:00 a.m. — 6:00 p.m., Central Time, dial
1-800-627-8700 in the USA. Outside the USA, dial 713-541-8200 (add long distance/
international access codes).
•In Europe, Monday — Friday, 8:00 a.m. — 6:00 p.m., dial [phone].
3Upon answer, press 3for Technical Support.
Returning
Productsfor
Service
Step Action
1Have the Texas Micro product model and serial number available.
2•In the Continental USA, Monday — Friday, 7:00 a.m. — 6:00 p.m., Central Time, dial
1-800-627-8700 in the USA. Outside the USA, dial 713-541-8200 (add long distance/
international access codes).
•In Europe, Monday — Friday, 8:00 a.m. — 6:00 p.m., dial [phone].
3Upon answer, press 3for Technical Support.
4When you are assigned a Returned Goods Authorization (RGA) number from a
Technical Support Representative, place it, along with the product serial number, on the
packaging materials and correspondence. The factory will be unable to accept delivery
without these numbers.
Note: The factory does not accept RGA's sent freight collect.
Accessing
the Website http://www.texasmicro.com
Upon receiving your equipment, inspect the packaging, shipping materials, and contents.
If damaged, return the equipment to Texas Micro in the original packaging and shipping materials.
If you are satisfied with your equipment, retain the packaging and shipping materials in case of
future need.
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Service Manual P5000HX(-M)-WMB Series Motherboard vi
Table of Contents
Chapter 1 Introduction 1
P5000HX(-M)-WMB Series Motherboard..........................................................2
Chapter 2 7 Steps to Operation 5
Handling the P5000HX(-M)-WMB .....................................................................6
Step 1: Install the Motherboard .........................................................................8
Step 2: Check Jumper Settings.......................................................................10
Step 3: Check Switch Settings ........................................................................12
Step 4: Connect System Devices....................................................................14
Step 5: Connect Peripheral Devices................................................................16
Step 6: Power-On the System......................................................................... 18
Step 7: Run the Setup Utility ...........................................................................20
Chapter 3 Technical Data 27
Specifications .................................................................................................. 28
Pin Signals.......................................................................................................30
Installing Memory Modules..............................................................................34
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List of Figures
vii P5000HX(-M)-WMB Series Motherboard Service Manual
1 P5000HX(-M)-WMB Components and Layout....................................................................3
2 Safely Handling the Motherboard .......................................................................................7
3 Installing the Motherboard ..................................................................................................9
4 Jumper Block Locations....................................................................................................11
5 Jumper Block JP1 Pins.....................................................................................................11
6 Switch Block Location.......................................................................................................13
7 System Header Locations.................................................................................................15
8 Peripheral Header and Connector Locations....................................................................17
9 Setup Utility Main Menu....................................................................................................19
10 The P5000HX(-M)-WMB Series Motherboard..................................................................29
11 Peripheral Headers and Connectors ................................................................................31
12 System Headers ...............................................................................................................33
13 Memory Sockets...............................................................................................................35
14 Memory Combinations......................................................................................................35
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Service Manual P5000HX(-M)-WMB Series Motherboard 1
Introduction
This chapter discusses the primary features of the P5000HX(-M)-WMB.
If you are familiar with the primary components and functions of the
P5000HX(-M)-WMB, and you wish to quickly begin operating the motherboard,
go to Chapter 2, “7 Steps to Operation,” page 5. Then read this chapter later at
your convenience.

This chapter discusses functions and features of the equipment that
can be accessed
only by qualified and trained electronics service
personnel. The material contained in this chapter does
not discuss any
user-accessible parts or operations. All tasks related to material in this
chapter must be referred to qualified service personnel.
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Introduction
2 P5000HX(-M)-WMB Series Motherboard Service Manual
Standard
Features The Texas Micro P5000HX-WMB and P5000HX-M-WMB motherboards provide the
following features:
•Intel®Pentium®processor:
•P5000HX-WMB: 166 MHz Pentium (P54C)
•P5000HX-M-WMB: 200 / 233 MHz Pentium with MMX™ technology (P55C)
•Intel 430HX PCIset
•82439HX System Controller (TXC3, or North-Bridge)
•82371SB PCI I/O IDE Xcellerator (PIIX3, or South-Bridge)
•SMC FDC37C93X Ultra I/O™ Controller
•256 KB flash memory
•Level 2 write-back cache socket for 256 or 512 KB pipeline burst COAST SRAM
•Four (4) low-profile SIMM sockets for up to 128 MB scaleable DRAM
Note: The P5000HX(-M)-WMB supports FPM or EDO.
•Two (2) RS-232 serial ports
•Parallel port (AT-compatible/bi-directional/enhanced operations)
•Floppy drive controller
•Two (2) PCI EIDE hard disk drive controllers
•Four (4) ISA expansion slots
•Four (4) PCI expansion slots
More... For more information on the components of the P5000HX(-M)-WMB, contact:
P5000HX(-M)-WMB Series Motherboard
Company Telephone Website
Intel Corporation [phone] http://www.intel.com
PCI Special Interest Group [phone] http://www.pcisig.com
PICMG [phone] http://www.picmg.com
Standard Microsystems Corporation [phone] http://www.smsc.com
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Introduction
Service Manual P5000HX(-M)-WMB Series Motherboard 3
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



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




  


Figure 1 P5000HX(-M)-WMB Components and Layout
A. Intel Pentium P54C/P55C Processor
B. Pentium Processor with Heatsink
C. DRAM SIMM Sockets
D. Level 2 SRAM Cache Socket
E. Flash Device
F. Intel 82439HX System Controller
(TXC, or North-Brid
g
e)
G. Intel 82371SB PCI I/O IDE Xcelerator
(PIIX3, or South-Brid
g
e)
H. SMC FDC37C93X Ultra I/O Controller
I. DIP Switch Block
J. PCI Expansion Slots
K. Battery for CMOS Real Time Clock
L. ISA Expansion Slots
1. Power Supply Input Headers
2. +3.3 V Input Header
3. Primary EIDE Header
4. Secondary EIDE Header
5. Floppy Drive Header
6. Parallel Port Header
7. Serial Port 1 Header
8. Serial Port 2 Header
9. PS/2 Keyboard Connector
10. PS/2 Mouse Connector
11. Speaker Header
12. EIDE Activity LED Header
13. Reset Button Header
14. System Power LED Header
15. Auxiliary CPU Fan Header
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Introduction
4 P5000HX(-M)-WMB Series Motherboard Service Manual
Notes
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Service Manual P5000HX(-M)-WMB Series Motherboard 5
7 Steps to Operation
This chapter describes basic precautions for handling the P5000HX(-M)-WMB
and then outlines the basic steps for setting up the motherboard:
1. Install the motherboard
2. Check jumper settings
3. Check switch settings
4. Connect system devices
5. Connect peripheral devices
6. Power-on the system
7. Run the Setup Utility

This chapter discusses functions and features of the equipment that
can be accessed
only by qualified and trained electronics service
personnel. The material contained in this chapter does
not discuss any
user-accessible parts or operations. All tasks related to material in this
chapter must be referred to qualified service personnel.
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7 Steps to Operation
6 P5000HX(-M)-WMB Series Motherboard Service Manual
Overview This section suggests basic precautions when handling the P5000HX(-M)-WMB series
motherboard.
Static
Electricity The P5000HX(-M)-WMB is designed to protect against ESD (electro-static discharge)
and excessive voltage. However, excessive static electricity can damage components.
Before you handle the motherboard, use the grounding wrist strap provided with the
system to discharge static electricity. Instructions for using the wrist strap are printed on
the strap's envelope.
Safety It is important to protect yourself and your equipment before you perform any of the
procedures outlined in this manual.
You should check the configuration before you install the motherboard. If the
motherboard is already installed in your system and you need to change the
configuration, power-off the system and disconnect all power cords from their source.
Follow all safety precautions as outlined by the chassis manufacturer.
Handling the P5000HX(-M)-WMB
Handle the motherboard by the edges to help prevent accidental damage
caused by static discharge (Figure 2).
To avoid damage or injury, always power-off the system and disconnect all power cords
from their source before handling the equipment.
To help prevent accidental damage caused by static discharge, use a grounding wrist
strap or other static-dissipating device when handling the equipment.
Um Sachschaden und Verletzung zu vermeiden, schalten Sie vor Arbeiten am Gerät
den Netzschalter aus, und ziehen Sie alle Stecker aus den Steckdosen.
Um unbeabsichtigte Schäden durch elektrostatische Entladung vorzubeugen, sollte bei
Arbeiten am System immer ein Erdungsarmband getragen oder andere
elektrostatische Entladungs-Vorsichtsmaßnahmen verwendet werden.
Only qualified, experienced electronics service personnel should access and handle
the equipment.
Es sollte nur qualifiziertes und erfahrenes Fachpersonal am System arbeiten.
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7 Steps to Operation
Service Manual P5000HX(-M)-WMB Series Motherboard 7
Figure 2 Safely Handling the Motherboard
Always handle the motherboard by the edges.
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7 Steps to Operation
8 P5000HX(-M)-WMB Series Motherboard Service Manual
Overview Before you connect any devices to the P5000HX(-M)-WMB or modify any settings,
install the motherboard into a chassis (Figure 3).
Procedure The procedure for installing the motherboard is outlined in the following table:
Step 1: Install the Motherboard
Step Action
1 Power-off the system and disconnect all power cords.
Note: Use a grounding wrist strap or other static-dissipating device when
accessing and handling the equipment.
2 Remove the chassis cover.
3 Detach the chassis stiffener bar (if required). This bar supports the frame of the
chassis.
4 Insert the motherboard into the chassis with the expansion slots oriented
toward the chassis I/O Slots and the power input headers toward the chassis
power supply.
5 Seat the motherboard on the mounting posts in the bottom of the chassis.
6 Secure the motherboard to the mounting braces by fastening screws through
the mounting holes on the motherboard.
7 Replace the chassis stiffener bar (if required).
To install the motherboard in a chassis not manufactured by Texas Micro,
consult the instructions provided by the manufacturer.
The CPU requires a minimum airflow of 200 linear feet per minute (LFM)
unimpeded across the processor within 0 to 55 °C (32 to 131 °F) ambient
temperature. Operations outside these specifications could void the warranty.
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7 Steps to Operation
Service Manual P5000HX(-M)-WMB Series Motherboard 9

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



       





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Figure 3 Installing the Motherboard
1. Power Input Headers
2. +3.3 V Input Header
3. Chassis Power Supply
4. Chassis I/O Slots
5. Reset Button
6. System Power LED
7. IDE Activity LED
8. Speaker A. Mountin
g
Holes
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7 Steps to Operation
10 P5000HX(-M)-WMB Series Motherboard Service Manual
Overview After you install the P5000HX(-M)-WMB into a chassis, check the jumper settings on
the motherboard (Figure 4).
Jumper Blocks The P5000HX(-M)-WMB contains:
•Two (2) two-pin jumper blocks (JP1A and JP1B)
•Two (2) three-pin jumper blocks (JP1C and JP1D)
Settings Settings for the jumpers are provided in the following tables:
Step 2: Check Jumper Settings
2-Pin Jumper Blocks
JP1A JP1B Host Bus Speed
None B1—B2 66.6 MHz (default)
A1—A2 None 60.0 MHz
A1—A2 B1—B2 50.0 MHz
3-Pin Jumper Blocks
JP1C JP1D Core/Bus
Ratio CPU Speed
P5000HX-WMB C1—C2 D1—D2 2.5 166 MHz
P5000HX-M-WMB C1—C2 D2—D3 3.0 200 MHz
C2—C3 D2—D3 3.5 233 MHz)
CPU Speed values are based on the Host Bus Speed at 66.6 MHz.
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7 Steps to Operation
Service Manual P5000HX(-M)-WMB Series Motherboard 11

Figure 4 Jumper Block Locations
Figure 5 Jumper Block JP1 Pins
Jumpers Function
2-Pin JP1A, JP1B Host Bus Speed
3-Pin JP1C, JP1D CPU Speed
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