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DFI PB50-V3 User manual

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Copyright 2025 Manuals.Online. All Rights Reserved.

PB50-V3
Rev. AC+
System Board
Users Manual
37910912
Copyright
This publication contains information that is protected by copyright. No
part of it may be reproduced in any form or by any means or used to
make any transformation/adaptation without the prior written permission
from the copyright holders.
This publication is provided for informational purposes only. The
manufacturer makes no representations or warranties with respect to
the contents or use of this manual and specifically disclaims any express
or implied warranties of merchantability or fitness for any particular purpose.
The user will assume the entire risk of the use or the results of the use of
this document.Further,the manufacturer reserves the right to revise this
publication and make changes to its contents at any time, without obligation
to notify any person or entity of such revisions or changes.
© 1999.All Rights Reserved.
Trademarks
Microsoft®MS-DOS®, WindowsTM, Windows®95 and Windows®98
are registered trademarks of Microsoft Corporation. Intel®, Pentium®
II, Pentium®III and CeleronTM are registered trademarks of Intel
Corporation. Award is a registered trademark of Award Software,
Inc. Other trademarks and registered trademarks of products
appearing in this manual are the properties of their respective
holders.
Caution:
Danger of explosion if battery incorrectly replaced.
Replace only with the same or equivalent type recommended by the
manufacturer.
Dispose of used batteries according to the battery manufacturers
instructions.
FCC and DOC Statement on Class B
This equipment has been tested and found to comply with the limits
for a Class B 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 residential
installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio
communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to tr y to correct the interference by one or more of the
following measures:
 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and the receiver.
 Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
 Consult the dealer or an experienced radio TV technician for
help.
Notice:
1. The changes or modifications not expressly approved by the
party responsible for compliance could void the user's authority
to operate the equipment.
2. Shielded interface cables must be used in order to comply with
the emission limits.
Table of Contents
Chapter 1 - Introduction
1.1 Features and Specifications..................................................................................
1.2 Package Checklist.........................................................................................................
Chapter 2 - Hardware Installation
2.1 System Board Layout .............................................................................................
2.2 System Memory.............................................................................................................
2.3 DIP Switch Settings for Processors............................................................
2.4 Jumper Settings for the CPUs Front Side Bus................................
2.5 Jumper Settings for Clearing CMOS Data..........................................
2.6 Jumper Settings for Wake-On-Keyboard/Wake-On-Mouse......
2.7 Connecting the Ribbon Cables and Wires of the Ports
and Connectors.............................................................................................................
Chapter 3 - Award BIOS Setup Utility
3.1 The Basic Input/Output System.....................................................................
3.1.1 Standard CMOS Setup....................................................................
3.1.2 BIOS Features Setup..........................................................................
3.1.3 Chipset Features Setup....................................................................
3.1.4 Power Management Setup............................................................
3.1.5 PNP/PCI Configuration....................................................................
3.1.6 Load Fail-Safe Settings......................................................................
3.1.7 Load Optimal Settings......................................................................
3.1.8 Integrated Peripherals.........................................................................
3.1.9 Supervisor Password..........................................................................
3.1.10 User Password.........................................................................................
3.1.11 IDE HDD Auto Detection...........................................................
3.1.12 Save & Exit Setup.................................................................................
3.1.13 Exit Without Saving..............................................................................
Chapter 4 - Supported Softwares
4.1 Desktop Management Interface.....................................................................
4.2 Hardware Doctor Utility........................................................................................
4.3 Patch Utility for Windows

95/98...............................................................
4.4 Drivers....................................................................................................................................
6
11
31
31
34
38
40
45
46
46
47
51
52
52
53
53
12
13
14
15
16
17
18
54
57
59
59
61
61
63
Appendix A - System Error Messages
A.1 POST Beep.......................................................................................................................
A.2 Error Messages..............................................................................................................
Appendix B - Troubleshooting
B.1 Troubleshooting Checklist....................................................................................
Introduction
1
6
1.1 Features and Specifications
1.1.1 Features
Chipset
 VIA

82C693 and 82C596 AGPset
Processor
The system board is equipped with a 242-pin Slot 1 processor slot
for installing an Intel Pentium

II/III processor that is packaged in an
SEC (Single Edge Contact) cartridge or an Intel CeleronTM processor.
It is also equipped with a switching voltage regulator that
automatically detects 1.30V to 3.5V.
 450/100MHz, 500/100MHz or 550/100MHz Pentium®III
processor
 233/66MHz, 266/66MHz, 300/66MHz, 333/66MHz, 350/100MHz,
400/100MHz or 450/100MHz Pentium®II processor
 266/300/300A/333/366/400/433MHz CeleronTM processor
(SEPP for Slot 1)
System Memory
16MB to 384MB memory using unbuffered DIMMs
 Three 168-pin DIMM sockets
 Uses x64 or x72 PC SDRAM, 3.3V
- PC-66 SDRAM DIMM for 66MHz FSB processors
- PC-100 SDRAM DIMM for 100MHz FSB processors
 ECC supported (uses x72 PC SDRAM DIMM)
Chapter 1 - Introduction
DIMMs
2MBx64
4MBx64
8MBx64
16MBx64
Memory Size
16MB
32MB
64MB
128MB
1
Introduction
7
Expansion Slots
The system board is equipped with 1 dedicated AGP slot. AGP is an
interface designed to support high performance 3D graphics cards. It
utilizes a dedicated pipeline to access system memory for texturing,
z-buffering and alpha blending; delivering up to 533MB/sec.
bandwidth for 3D graphics applications. AGP in this system board
will deliver faster and better graphics with your PC.
The system board is also equipped with 3 dedicated PCI slots, 1
dedicated 16-bit ISA slot and 1 shared PCI/ISA slot. All PCI and
ISA slots are bus masters.
Desktop Management Interface (DMI)
The system board comes with a DMI 2.0 built into the BIOS. The
DMI utility in the BIOS automatically records various information
about your system configuration and stores these information in the
DMI pool, which is a part of the system board's Plug and Play
BIOS. DMI, along with the appropriately networked software, is
designed to make inventory, maintenance and troubleshooting of
computer systems easier. Refer to Chapter 4 for instructions on
using the DMI utility.
Connectors
 2 connectors for external USB ports
 1 connector for IrDA interface
 2 serial por ts
 1 parallel port
 2 IDE connectors
 1 floppy connector
 1 PS/2 mouse port
 1 PS/2 or AT keyboard por t
 1 20-pin ATX power supply connector
 1 12-pin standard AT power supply connector
 1 Wake-On-LAN connector
 1 SB-LINK connector
 3 fan connectors for CPU, chassis and AGP fans
Introduction
1
8
PCI Bus Master IDE Controller
 Two PCI IDE interfaces suppor t up to four IDE devices
 Supports ATA/33 or ATA/66 hard drives
 PIO Mode 3 and Mode 4 Enhanced IDE (data transfer rate up
to 16.6MB/sec.)
 Bus mastering reduces CPU utilization during disk transfer
 Supports ATAPI CD-ROM, LS-120, ZIP and SCSI sequential
boot-up
IrDA Interface
The system board is equipped with an IrDA connector for wireless
connectivity between your computer and peripheral devices. It
supports peripheral devices that meet the IrDA or ASK IR standard.
USB Ports
The system board is equipped with a connector for external USB
ports. USB allows data exchange between your computer and a
wide range of simultaneously accessible external Plug and Play
peripherals.
BIOS
 Award BIOS, Windows

95/98 Plug and Play compatible
 Flash EPROM for easy BIOS upgrades
 2MB flash memory
1.1.2 System Health Monitor Functions
The system board is capable of monitoring the following system
health conditions.
 Monitors processor/system temperature and processor overheat
alarm
 Monitors 1.5V/3.3V/±5V/±12V/VCORE voltages and failure
alarm
 Monitors processor/chassis fan speed and failure alarm
 Automatic processor/chassis fan control
 Read back capability that displays temperature, voltage and fan
speed
1
Introduction
9
1.1.3 Intelligence
Automatic CPU/Chassis Fan Off
The CPU and chassis fans will automatically turn off once the system
enters the Suspend mode.
Dual Function Power Button (ATX power supply only)
Depending on the setting in the BIOS setup, this switch will allow
the system to enter the Soft-Off or Suspend mode.
External Modem Ring-on (ATX power supply only)
The Modem Ring-on feature allows the system that is in the
Suspend mode or Soft Power Off mode to wake-up/power-on to
respond to incoming calls.
Note:
This feature supports external modem only.
RTC Timer to Power-on the System (ATX power supply only)
The RTC installed on the system board allows your system to
automatically power-on on the set date and time.
Wake-On-LAN Ready (ATX power supply only)
The Wake-On-LAN function allows the network to remotely wake
up a Soft Power Down (Soft-Off) PC.Your LAN card must support
the remote wakeup function.
Important:
The 5VSB power source of your power supply must support
≥
720mA (minimum).
Wake-On-Keyboard/Wake-On-Mouse (ATX power supply only)
This function allows you to use the keyboard or mouse to power-on
the system. Refer to Jumper Settings for Wake-On-Keyboard/Wake-
On-Mouse in Chapter 2 and Keyboard/Mouse Power On in the
Integrated Peripherals setup of the Award BIOS in Chapter 3 for
more information.
Introduction
1
10
Important:
 The power button will not function once a keyboard
password has been set in the KB Power On Password
field of the Integrated Peripherals setup. You must type the
correct password to power-on the system.
 The 5VSB power source of your power supply must
support
≥
720mA (minimum).
ACPI (ATX power supply only)
The system board is designed to meet the ACPI (Advanced
Configuration and Power Interface) specification. ACPI has energy
saving features that enables PCs to implement Power Management
and Plug-and-Play with operating systems that support OS Direct
Power Management.
Virus Protection
Most viruses today destroy data stored in hard drives. The system
board is designed to protect the boot sector and partition table of
your hard disk drive.