ENPC EP-PT21 Manual de usuario
EP-PT21
Motherboard for
Pentium MMX ™
User's Manual
Order Number 41010007
November, 1997
EC-CONFORMITY DECLARATION
(EC conformity marking)
FO THE FOLLOWING EQUIPMENT:
Product Name : MOTHE BOA D
Model: EP-PT21
Manufacturer: ENPC TECHNOLOGY CO P.
Manufacturer Address: 6FL., No. 19, Wu Chuan 6 d.,
Wu-Ku Industrial Park, Taipei, Taiwan.
IS HE EWITH CONFI MED TO COMPLY WITH THE EQUIPMENTS SET UP
IN THE COUNCIL DI ECTIVE ON THE APP OXIMATION OF THE LAW OF
MEMBE STATES ELATING TO ELECT OMAGNETIC COMPATIBILITY
(89/336/EEC) AND LOW VOLTAGE DI ECTIVE 78/28/EEC. FO THE
EVALUATION EGA DING THE ELECT OMAGNETIC COMPATIBILITY
AND SAFETY, THE FOLLOWING STANDA DS WE E APPLIED:
* EN50081-1 (1992) : GENE IC EMISSION STANDA DS
EN550022 (1994) : EMISSION
EN60555-2 (1987) : HA MONICS
EN60555-3 (1987) : VOLTAGE FLUCTUATIONS
* EN50082-1 (1992) : GENE IC IMMUNITY STANDA D
IEC 801-2 (1984) : ELECT OSTATIC DISCHA GE IMMUNITY
IEC 801-3 (1984) : ADIATED IMMUNITY
IEC 801-4 (1988) : ELECT ICAL FAST T ANSIENT
The manufacturer also declares the conformity of above mentioned product with the
actual required safety standards in accordance with LVD 73/23 EEC.
Manufacturer/Importer
Date: Nov 16, 1997
Signature: Signature:
Name: JEFF CHANG Name: KUNNAU CHEN
(Project Leader) (President)
EP-PT21 User’s Manual
EP-PT21
Motherboard
for
Compatible PC
User Manual ev 1.3
elated Motherboard: EP-PT21 P.C.B. ev 2.1
Date: Nov. 1997
EP-PT21 User’s Manual i
FCC & DOC COMPLIANCE
Federal Communication Commi ion Statement
This device complies with FCC ules Part 15. Operation is subject to the
following two conditions:
This device may not cause harmful interference, and
This device must accept any interference received, including
interference that may cause undesired operation.
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 ules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
manufacturer's instructions, 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 try to correct the
interference by one or more of the following measures:
e-orient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment to 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.
Warning: The use of shielded cables for connection of the monitor to the
graphics card is required to assure compliance with FCC regulations.
Changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user's authority to operate this
equipment.
Canadian Department of Communication Statement
This digital apparatus does not exceed the Class B limits for radio noise
emissions from digital apparatus set out the adio Interference egulations
for the Canadian Department of Communications.
EP-PT21 User’s Manual
ii
Table Of Content
1. INTRODUCTION.........................................................................................IV
1.1 ABOUT THIS MANUAL........................................................................IV
1.2 ITEM CHECKLIST.................................................................................V
1.3 SPECIFICATIONS...................................................................................1
1.4 NOTES ON INSTALLATION...................................................................1
2. INSTALLATION.............................................................................................1
2.1 MOTHE BOA D LAYOUT.....................................................................1
2.2 INSTALLATION STEPS...........................................................................2
2.3 SYSTEM MEMO Y................................................................................2
2.4 CENT AL P OCESSING UNIT (CPU)....................................................3
2.4.1 Installing the CPU.....................................................................3
2.4.2 Setting CPU Speed with ”Easy-Jumpers”.................................4
2.5 EXTE NAL CONNECTO S.....................................................................6
2. .1 PS/2 Keyboard Connector and USB Port.................................6
2. .2 Parallel Printer Port (CON2, 2 -pin Female)..........................6
2. .3 Serial Ports (COM1, COM2, 9-pin Male Connector)...............7
2. .4 AT & ATX Power Supply Connectors........................................7
2. . Floppy Drive Connector (J9, 34-pin block)..............................8
2. .6 Primary/Secondary IDE connectors. (J6 & J7: 40-pin blocks) 8
2. .7 IDE Activity LED (J22, pins 2-4)..............................................9
2. .8 Front Panel Connector..............................................................9
2. .9 CPU Cooling Fan Connector (J )..........................................12
2. .10 IrDA Connector (J21: Front IR; J10: Rear IR)....................13
2. .11 External Battery Connector (J1)...........................................13
2. .12 Clear CMOS Connector (J4).................................................14
EP-PT21 User’s Manual i
1. Introduction
1.1 About this Manual
This manual is arranged to help you set up and run this Pentium
MMX™ Motherboard as quickly as possible.
Information is presented in the following two chapters:
Chapter 1.
Introduction: This chapter presents the features of the motherboard;
what components and accessories should be included with it;
and describes the specifications of this product, including a
diagram of the motherboard layout.
Chapter 2.
Installation: This chapter shows how to install the motherboard, and
how to configure its various features and functions.
EP-PT21 User’s Manual
ii
1.2 Item Checklist
This product comes with the following components:
Motherboard x 1
40-pin IDE connector flat cable x 1
34-pin floppy disk drive flat cable x 1
User's manual x 1
Flash OM utility & Bus master IDE driver diskette (Optional)
ear panel shielding (Optional)
IrDA module (Optional)
EP-PT21 User’s Manual i
1.3 Specifications
Processor:
ZIF socket 7 support intel® Pentium MMX™; intel® P54C,
P55C Series, Cyrix 6x86/M2 Series, and AMD K5/K6 Series.
Supports current and future CPUs.
Chipset:
intel® 82430TX System Controller; intel® 82371AB PCI/ISA
IDE Accelerator.
BIOS:
Award/AMI BIOS support DMI; Flash OM with Green PC,
Plug-and-Play, ACPI, and PC97
System Memory:
Four 72-pin SIMMs and two 168-pin DIMM Slots support up
to 256MB. The system supports mixed memory technologies:
Extended Data Out (EDO) AM, Fast Page (FP) D AM, and
SD AM (Synchronous D AM).
On-board Multi-I/O:
1 x FDD Port supports up to 2.88MB
1 x Parallel Port (LPT) support ECP/EPP
2 x High Speed Serial (16550 UA T) Ports
2 x Universal Serial Bus (USB) Ports
1 x PS/2 Keyboard Port
1 x PS/2 Mouse Port
1 x eal Time Clock ( TC)
2 x IrDA ports
Cache Onboard:
512KB Pipeline Burst S AM Cache
EP-PT21 User’s Manual i
PCI Bus Master IDE:
2 x PCI Bus Master IDE Controllers
Support PIO Mode 3/4 EIDE Devices (HDD, CD- OM, LS-
120 FDD, etc.);
Ultra DMA/33 mode; and HDD Auto-Detect
Expansion Slots:
4 x 32-bit PCI Bus Master Slots, 3 x 16-bit ISA Slots
Options:
Infrared (IrDA) Wireless Interface Kit
LM75 CPU Temperature Gauge
LM78 Hardware Monitor Chip
Dimensions:
210mm x 305mm
Form Factor:
ATX Form Factor
EP-PT21 User’s Manual i
1.4 Notes On Installation
This motherboard has been designed with the Intel 82430TX, PCI
chipset, which was developed by Intel Corporation to fully support
the Pentium Processor PCI/ISA system. The Intel 82430TX PCI
chipset provides increased integration and improved performance.
The chipset provides an integrated IDE controller with two high
performance IDE interfaces, for up to four IDE devices (hard devices,
CD- OM device, etc). The Super I/O controller provides standard
I/O functions: floppy interface, two serial ports with 16-Byte FIFO
buffers, and an EPP/ECP-capable parallel port.
Care must be taken when inserting memory modules, inserting the
CPU, or even plugging PCI cards into associated slots to avoid
damaging any circuits or sockets on the motherboard. A cooling fan
is strongly recommended when installing P54C, P54CTB, P55C, K5,
K6, 6x86, or M2 CPU, to avoid overheating.
The motherboard requires a minimum of 8MB of system memory,
and can support a maximum of 256MB.
The onboard L2 Cache comprises 256KB or 512KB of static AM
(S AM) to increase system performance.
The motherboard supports standard Fast Page (FP), EDO (Extended
Data Out), or SD AM (Synchronous D AM) memory, and provides
four 72-pin SIMMs and two 168-pin DIMMs. The sockets support
1Mx32(32MB) single-sided or double-sided memory modules.
Memory timing requires 70ns Fast Page devices or 60ns EDO AM.
Memory parity generation and checking is not supported. (D AM
Modules may be parity (x36) or non-parity (x32).
The board also has two onboard PCI IDE connectors, and detects the
IDE hard disk type through an automatic BIOS utility. The system
also supports Award Plug & Play BIOS for the ISA and PCI cards.
EP-PT21 User’s Manual i
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