ENPC EP-MZ21 Manuel utilisateur
1
Manual Rev. A
CONTENTS
Item Checklist
Please check that your package is complete. If you discover damaged or
missing items, please contact your retailer.
Motherboard x 1
40-pin IDE Connector Flat Cable x 1
34-pin Floppy Disk Drive Flat Cable x 1
User Manual x 1; CD x 1
Option : Components will be include upon customer ordering instructions
per Proforma Invoice & additional external procurement cost will be
included.
1. Specification ................................................................... 2
2. Parts Of The Mother Board .................................................. 4
3. MotherBoardLayoutQuick View ............................................ 5
4. Installation .................................................................... 6
4-1 Jumper Overview 6
4-2 CPU Setting 8
4-3 Install System Memory Modules 9
4-4 External Conncetion 10
4-5 ATX Power Supply Connector 11
4-6 KeyBoard , Mouse, USB, COM / LPT / Sound 12
4-7 Front Panel Connection 14
4-8 FAN, IR, WOL, CD IN Connector 15
4-9 Power On Procedure 17
Appendix: BIOSSetupTips...................................................... 18
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Manual Rev. A
1. Specification
Microprocessor
č Support for a single Intel PPGA Mendocino processor
č Supports66MHz host bus speed(100MHZ Clock will besupported in
the feature when CPU is available ), selectable by BIOS
č PPGA socket 370
Cache and System Memory
č 128KB cache, built-in Mendocino processor
č 2 x 168-pin dual inline memory module (DIMM) sockets
č Supports up to 256 MB of synchronous DRAM (SDRAM)
Chipset (Intel 82440ZX AGPset and PCI/IDE Interface)
č Intel 82443ZX PCI/AGP controller (PAC)
Integrated PCI bus mastering controller
Integrated Accelerated Graphics Port (AGP) interface
č Intel 82371EB PCI/ISA/IDE Xcelerator (PIIX4E)
Multifunction PCI-to-ISA bridge
Universal Serial Bus (USB) and DMA controllers
Two fast IDE interfaces that support up to four IDE drives or devices
Power management logic
Real-time clock
Audio Subsystmes
č ESS solo1 PCI 3D single chip audio controller
č Line-out, Mic-in , Line-in, MIDI/Game Port
I/O Features
č Winbond 83977 super I/O controller
č 1xFDD Port support up to 2.88MB
č 1xParallel Port (LPT) support ECP/EPP
č 2xHigh Speed Serial (16C550 UART) Ports
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Manual Rev. A
č 2 x IDE Ports support ultra DMA/33
č 2xUniversal Serial Bus (USB) Ports
č 1xPS/2 Keyboard Port
č 1xPS/2 Mouse Port
č 2xIrDA Front and Rear Port
Expansion Slots
č 1 x 16-bit ISA Slot
č 3 x 32-bit PCI Slots
č 1 x 32-bit AGP Slot
Other Features
č Award BIOS (2 Mb flash memory)
č Plug and Play compatible
č Jumperless configuration
č Advanced Power Management (APM) 1.2 support
č Advanced Configuration and Power Interface (ACPI) 1.0 support
č Hardware monitoring and alert (Optional)
č Modem ring wake up and power up. Wake on LAN
č Keyboard power on and PS/2 mouse power on
Form Factor
Micro ATX, 244mmX200mm
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Manual Rev. A
2. Parts Of The Mother Board
5
Manual Rev. A
3. MotherBoard Layout Quick View
Jumper:
1. J11: FSB 66 MHZ / 100 MHZ Switching
2. J 9: CMOSClear ( Set theBIOS Data toFactory default )
3. J 7/J 6: On Board Sound Chip Enable / Disable
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Manual Rev. A
4-1 Jumper Overview
ON: Enable On Board Audio
OFF: Disable On Board Audio
ON: For 66 MHZ FSB
OFF: For 100 MHZ FSB
1-2 Normal
2-3 Clear CMOS
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Manual Rev. A
CMOS Clearing
CMOS Clear, which is a safety hook if you forget the password. Sometime , if
user change the CPU and making the BIOS difficult to recognize the CPU
type, Clear CMOS will help BIOS to re-config the system successfully.
Follow the steps:
After you have turned off your computer, clear the CMOS memory by mo-
mentarily shorting pins 2-3, for a few seconds. Then restore it to the initial
1-2 jumper setting in order to recover and retain the default settings. Reset
your computer now.
J11 ( 66MHZ / 100 MHZ Switching )
IfoverclocktheCPUfrom66MHZto100MHZonthe jumperless design mother
board the following symptom will happen:
The AGP card will run 100 MHZ with the AGP Clock, inside the AGP
Chip will run up to 200MHZ ( For 2x AGP Card ) instead of the
66MHZ x 2 = 133MHZ
That¡¦s because the CPU origonal is 66MHZ FSB design by Intel, When you
overclock the CPU to 100MHZ, the Chipset didn¡¦t know you force the Clock
to 100MHZ by BIOS, it will let the 100MHZ as AGP Clock. If you use the
66MHZ for that CPU, the AGP Card clock will be 66MHZ; If you use the
origonal 100 MHZ FSB CPU , the Chipset recognized the CPU is 100MHZ
FSB design, it will reduce the 100MHZ / 1.5 = 66MHZ, then the AGP will run
66MHZ( Inside AGP will be 66MHZ x 2 = 133 MHZ ).
If use the 100MHZ FSB,
Regardless use the 66MHZ or 100MHZ type CPU
Set the J11 to OFF.
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Manual Rev. A
4-2 CPU Setting
Selecting the CPU Frequency
The CPU frequency selection is set with the followings:
BIOS Setup èè
èè
èCPU Speed Setting èè
èè
è CPU Freuency
(The possible setting is 66, 75, 83 , 100, 103, 112, 124, 133 MHZ)
BIOS Setup èè
èè
èCPU Speed Setting èè
èè
è CPU Ratio
(The possible setting is 3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x)
Notes:
1. Most current Intel Pentium II, Pentium III or Celeron CPU will fix the CPU
Clock Ratio, User just need to deside the CPU Front Side Bus for the CPU.
The Mother Board provide the Clock from 66MHZ to 112 MHZ for user to
setup.
2. User can define the CPU Clock Ratio in the BIOS setup utility for the
CPU which did not fix the Clock Ratio. If the CPU fix the Ratio, the CPU Clock
ratio will be no changed.
3. If user fail to power up the system ( No Display ), please Clear the CMOS
thenboot upagainorPress[Insert] key topowerupthesystem. Ifstillfail,please
check the Memory is contact well or not and also well adjest the CPU Front
Side Bus for the related CPU.
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Manual Rev. A
4-3 Install System Memory Modules
This motherboard support 2 slots for 168-pin 3.3V Non-buffered DIMM mod-
ules, providing support for up to 256 MB of main memory using DIMM mod-
ules from 8MB to 128MB. For 66MHz host bus CPUs, please use 10ns or
faster DIMM modules. For 100MHz host bus CPUs, please use 8ns or faster
DIMM modules. The following is the example to install the system SDRAM
memory module combination: if you have two DIMM Modules, you has better
install them into DIMM Slot 1 & Slot 2 with the Max possible memory size up
to 256MB ( 128 + 128 ) if the 128MB DIMM module is available.
The DIMM types supported SDRAM (Synchro-
nous DRAM). The following is the summary:
Single side:
1Mx64 (8MB), 2Mx64 (16MB), 4Mx64 (32MB),
8Mx64 (64MB), 16Mx64 (128MB)
Double side:
1Mx64x2 (16MB), 2Mx64x2 (32MB), 4Mx64x2
(64MB), 8Mx64x2 (128MB).
Total Memory Size:
There is no jumper setting required for the
memorysize or type.Itisautomaticallydetected
bythe system BIOS, andthe total memorysize
is to add them together.
1
2
ehtfosrebmuN eludoMyromeM 1MMID 2MMID eziSyromeM eziS.xaM
1ts1BM821~8BM821
2ts1dn2BM821~8BM652
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Manual Rev. A
4-4 External Conncetion
1.Unplug your power supply when adding or removing expansion cards or
other system components. Failure to do so may cause severe damage to
both your motherboard and expansion cards.
2.Ribbon cables should always be connected with the red stripe on the Pin 1
sideof the connector. The Four Cornersof the connectors are labeled on the
motherboard. Pin 1 is the side closest to the power connector on hard drives
and floppy drives. IDE ribbon cable must be less than 18in. (46cm), with the
second drive connector no more than 6in. (15cm) from the first connector.
3.The motherboard requires a power supply and a power good signal. Make
the ATX power supply can take at least 10mAmp load on the 5V Standby
lead (5VSB) to meet the standard ATX specification.
4. To prevent electrical spikes, make sure that the power supply is not con-
nected to an outlet when making or removing connections. Power supplies
contain power remains, which can damage electrical components.
5. Expansion Card Installation Procedure
! Read the documentation for your expansion card and make any
necessary hardware or software settings for your expansion card, such as
jumpers.
!Remove your computer system’s cover and the bracket plate on the slot
you intend to use. Keep the bracket for possible future use.
!Carefully align the card’s connectors and press firmly.
! Secure the card on the slot with the screw you removed above.
!Replace the computer system’s cover.
! Set up the BIOS if necessary (such as IRQ xx Used By ISA: Yes in PNP
AND PCI SETUP)
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