JETWAY J-791A Manual de usuario

Chapter 1

1-1 Preface...........................................................................................

1-2 Key Feature ...................................................................................

Chapter 2

Installation ..................................................................................

2-1 Unpacking ........................................................................................ 3

2-2 Mainboard Layout ............................................................................ 4

2-3 Installation Steps ............................................................................. 6

2-3-1 Jumper Settings................................................................... 6

2-3-2 System Memory (DRAM) ..................................................... 8

2-4 Central processing Unit (CPU) ........................................................ 8

2-5 Expansion Cards ............................................................................. 9

2-6 External Connectors........................................................................ 10

Chapter 3

AWARD BIOS SETUP .................................................................

3-1 STANDARD CMOS SETUP ............................................................... 17

3-2 BIOS FEATURES SETUP.................................................................. 17

3-3 CHIPSET FEATURES SETUP ........................................................... 21

3-4 POWER MANAGEMENT SETUP ...................................................... 22

3-4-1 The Description of the Power Management......................... 22

3-4-2 Description of the Green Functions ..................................... 23

3-5 PNP/PCI CONFIGURATION SETUP ................................................. 24

3-6 LOAD BIOS DEFAULTS .................................................................... 25

3-7 LOAD SETUP DEFAULTS................................................................. 25

3-8 INTEGRATED PERIPHERALS SETUP ............................................. 26

3-9 SUPERVISOR/USER PASSWORD ................................................... 28

3-10 IDE HDD AUTO DETECTION .......................................................... 28

3-11 SAVE & EXIT SETUP....................................................................... 30

3-12 EXIT WITHOUT SAVING ................................................................. 30

3-13 I/O & MEMORY MAP ....................................................................... 30

3-14 TIME & DMA CHANNELS MAP ....................................................... 32

3-15 INTERRUPT MAP ............................................................................ 32

3-16 RTC & CMOS RAM MAP ................................................................. 32

3-17 BIOS REFERENCE-POST CODES ................................................. 33

TABLE OF CONTENT

Chapter 1

1-1 Preface

Welcome to use the J-791A/J-791A/L mainboard. This mainboard supports PentiumII

processor PC/AT compatible system with AGP slot,ISA bus and PCI local bus. Also this board

including some special designs, like ACPI/APM power management & powerful performance ,

We think you will enjoying your personal computer because of your right choice.

1-2 Key Feature

The J-791A/J-791A/L is designed for the PC user who wants a great many features in a small

package. This motherboard:

•SDRAM Clock selectable (66MHz/100MHz),in 100MHz Bus Frequeney,let users more

choice when use SDRAM.

•AGP: Accelerated Graphics Port for 533MB/sec data transfer rate and 66MHz Bus clock

to improve graphic functions.

•Easy Installation: Is equipped with BIOS supports auto detection of hard drives and plug

and play to make setup of hard drives and expansion cards virtually automatic.

•Chipset: VIA APOLLO PRO VT82C691/VT82C596 PCI/AGPset with I/O subsystems.

•Multi-Speed Support: Supports Intel Pentium



II processor from 233MHz to 450MHz on

Slot-1.

•DRAM Memory Support: Support 3x168-pin DIMMs of 16MB, 32MB, 64MB, 128MB,

256MB from a memory size between 16MB to 768M.

•AGP, ISA and PCI Expansion Slots: Provides an AGP slot, two 16-bit ISA slots, and four

32-bit PCI slots.

•Super Multi-I/O: Provides two high-Speed UART compatible serial ports and one parallel

port with EPP and ECP capabilities. Two floppy drives of either 5.25” or 3.5” (1.44MB or

2.88MB) are also supported without an external card.

•PCI Bus Master IDE Controller and ULTRA DMA 33: On-board PCI Bus Master IDE

controller with two connectors that supports four IDE devices in two channels, provides

faster data transfer rates, and supports Enhanced IDE devices such as Tape Backup, CD-

ROM drives and LS-120. This controller also supports PIO Modes 3 and 4 and Bus Master

IDE DMA 33Mbyte/Sec.

•

ACPI supporting for OS Directed Power Management.

Ring-ln Wake up: When Ring-In the system can wake up from SMI Mode.

Ring-ln Power On: When Ring-In the system can power on automatic by this function.

Wake On LAN: Workstation can power on by Server in Network.

RTC Power On: Enabled RTC Power On function, you can setting RTC alarm to power on the

system at the time length you setting.

Power Button: Press the button will place the system power on/off.

CPU fan auto-stopping when in suspend mode.

Support Software Power Off function.

•Power Support: Efficient PWM switching power instead of traditional Linear Voltage

Regulator to prevent power component from being burned-out.

•PC 97 ready

•PS/2 Mouse: This motherboard support PS/2 mouse set.

•USB Port Connector: This motherboard supports two USB port connectors for USB

devices.

•ATX Form Factor: Dimensions 30.5cm

18cm.

•Optional IrDA: This motherboard supports an optional infrared port module for wireless

interface, with independent 3rd UART (32-byte FIFO).

•Fans: Support two Extra fan connectors to evacuate the heat from CPU, and the heat

within the computer case.

•PC HEALTH MONITOR: (Only in J-791A/L)

To frack PC system temperature system Vottage,and Fan speed. When system

temperature is over warning temperature by HEALTH Monitor Utility will have alarm to warn

users.

Chapter 2

Hardware Installation

2-1 Unpacking

This mainboard package should contain the following:

•The J-791A/J-791A/L mainboard

•USER’S MANUAL for mainboard

•Cable set for IDE x1, Floppy x1

•CD for Drivers PACK

The mainboard contains sensitive electronic components which can be easily damaged by

electron-static, so the mainboard should be left in its original packing until it is installed.

Unpacking and installation should be done on a grounded anti-static mat.

The operator should be wearing an anti static wristband, grounded at the same point as the

anti-static mat.

Inspect the mainboard carton for obvious damage. Shipping and handling may cause damage

to your board. Be sure there are no shipping and handling damages on the board before

proceeding.

After opening the mainboard carton, extract the system board and place it only on a grounded

anti-static surface component side up. Again inspect the board for damage.

Press down on all of the socket IC’s to make sure that they are properly inserted. Do this only

on with the board placed on a firm flat surface.

Warning: Do not apply power to the board if it has been damaged.

You are now ready to install your mainboard. The mounting hole pattern on the mainboard

matches the IBM-AT system board.

It is assumed that the chassis is designed for a standard IBMXT/ATmain board mounting.

Place the chassis on the anti-static mat and remove the cover.

Take the plastic clips, Nylon stand-off and screws for mounting the system board, and keep

them separate.

2-2 Mainboard Layout

FLOPPY

FDD1

KB/MS

W83977TF

USB

ATXPOWERCONN.

CN1

VT82C691

4321

AGP1

AGPSLOT

DIM1

DIM3

DIM2

FAN1

SLOT1

SLOT-1

POWER-LED

SPEAK

RSET

TURBO-LED

TUBRO-SW

SMI-SW

PS/2

MOUSE

K/B

COM1

COM2

COM PORT COM PORT

LPT1

CPUFAN

IDE2

IDE1

PCI 1

PCI 2

PCI 3

ISA2

ISA1

JP2

VT82C596

BATT.

JBAT1

BOIS

1 5

JIR1

4321

DIMM3

DIMM2

DIMM1

IDE2

IDE1

USB1

SB-LINK1

PWB-BIN

PCI 4

WON1

U14

J10

Figure 2-1

Jumpers

1) U4 p. 7 DIP Switch for CPU Ratio Selection

JBAT1 p. 7 CMOS RAM (Normal/Clear CMOS Data)

(Yellow

color selector)

3) U2 p. 7 DIP Switch for CPU BUS Frequency Selection

Connectors

1) CN1 p. 10 ATX Power connector (20-pin Block)

2) KB/MS p. 11 PS/2 Keyboard & PS/2 Mouse connector (6-pin Female)

3) LPT1 p. 11 Parallel Port connector (25-pin Block)

4) COM1, COM2 p. 11 Serial Port COMA & COMB (10-pin Block)

5) FDD1 p. 12 Floppy Driver connector (34-pin Block)

6) IDE1 p. 12 Primary IDE connector (40-pin Block)

7) IDE2 p. 12 Secondary IDE connector (40-pin Block)

8) SMI_SW(J9 2&4) p. 13 SMI Suspend Switch lead (2-pin)

9) HDLED

(J9 1&3)

p. 13 IDE activity LED connector (2-pin)

10) TBLED p. 13 Turbo LED switch (2-pin)

11) RESET p. 13 Reset Switch lead (2-pin)

12) KEYLOCK/Power LEDp. 13 Keyboard Lock Switch Power/LED (5-pin)

13) SPEAKER p. 13 Speaker connector (4-pin)

14) JIR1 p. 13 Infrared Module connector (5-pin)

15) USB1

p. 14 USB Port connector

16) CPUFAN p. 14 CPU Fan connector

17) FAN1 p. 14 Extra fanning system connectors

18) PWR_BTN

(J5 2&4)

p. 15 Power-On Button connector

19) SB_LINK1 p.15 SBLINK connector

20) WON 1 p.15 Wake On Lan connector

Expansion Slots

1) DIMM Slots p. 8 DRAM Memory Expansion slots

2) Slot-1 p. 8 Slot for Central Processing Unit (CPU)

3) AGP Slot p. 9 AGP Expansion slot

4) ISA 1,2 p. 9 16-bit ISA Bus Expansion slots

5) PCI 1,2,3,4 p. 9 32-bit PCI Bus Expansion slots

2-3 Installation Steps

Before using your computer, you must follow the steps as follows:

1. Set Jumpers on the Motherboard

2. Install the CPU

3. Install DRAM Modules

4. Install Expansion card

5. Connect Cables, Wires, and Power Supply

6. Setup the BIOS Software

2-3-1 Jumper Settings

1. DIP Switch for CPU Type Selection:U4,U2

DIP SW

CPU TYPE

U4 U2

#1 #2 #3 #4 #1 #2 #3 #4

Pentium

Ⅱ

233 ON OFF OFF ON OFF OFF OFF OFF

Pentium

Ⅱ

266 OFF ON ON ON OFF OFF OFF OFF

Pentium

Ⅱ

300 OFF ON OFF ON OFF OFF OFF OFF

Pentium

Ⅱ

333 OFF OFF ON ON OFF OFF OFF OFF

Pentium

Ⅱ

350 ON OFF OFF ON OFF OFF ON OFF

Pentium

Ⅱ

400 OFF ON ON ON OFF OFF ON OFF

Pentium

Ⅱ

450 OFF ON OFF ON OFF OFF ON OFF

CPU ratio selector U4

BUS Frequency selector U2

Ratio

#1 #2 #3 #4

2.5X ON ON OFF ON 66.6MHz OFF OFF OFF OFF

3.0X ON OFF ON ON 75MHz OFF ON OFF OFF

3.5X ON OFF OFF ON 100MHz OFF OFF ON OFF

4.0X OFF ON ON ON 103MHz ON OFF ON OFF

4.5X OFF ON OFF ON 112MHz OFF ON ON OFF

5.0X OFF OFF ON ON

5.5X OFF OFF OFF ON

6.0X ON ON ON OFF

6.5X ON ON OFF OFF

7.0X ON OFF ON OFF

Frequency

Celeron 266

Celeron 300

Celeron 333

COM2

4321

300MHz

266MHz

4321

233MHz

4321

333MHz

350MHz

4321

400MHz

4321

450MHz

266MHz

300MHz

350MHz

333MHz

400MHz

450MHz

4321

233MHz

4321

2. SDRAM Clock Selector: U2 #4

This selector can choose SDRAM clock Synchronous or Asynchronous to CPU Bus frequency. When

choose Asynchronous can let users have more choice of NON-PC100 SDRAM at over 66 MHz Bus

frequency .

U2 #4 ON SDRAM clock same as AGP clock (66MHz) Asynchronous.

U2 #4 OFF SDRAM clock same as CPU Bus clock (66MHz,75MHz,100MHz,

103MHz,112MHz): Synchronous.

3. CMOS RAM: JBAT1 (Yellow color selector)

WARNING: Make sure your computer is POWER OFF when you are CLEAR CMOS.

Connect a jumper Cap over this jumper for a few seconds, will clears information stored in

the CMOS RAM Chip that input by user, such as hard disk information and passwords.

After CLEAR CMOS, you must enter the BIOS setup (by holding down <DEL> during

power-up) to re-enter BIOS information (see BIOS SETUP).

Selections JBAT1

Normal 1-2 (Default)

Clear CMOS 2-3 (momentarily)

COM2

Normal

JUBA1

CMOS RAM (Normal / Clear CMOS Data)

Clear CMOS

JUBA1

2-3-2 System Memory (DRAM)

This motherboard support tree168-pin DIMM Module, using +3V unbuffer synchronous DRAM

in either EDO or SDRAM with Max. memory size of 768MB.

DIMM1 DIMM2 DIMM3

Total Memory

Combination

16MB

none

16MB

none

32MB

16MB

48MB

32MB

none

32MB

none

64MB

32MB

96MB

64MB

none

64MB

none

128MB

64MB

192MB

128MB

none

128MB

none

256MB

128MB

384MB

256MB

none

256MB

none

512MB

256MB

768MB

2-4 Central Processing Unit (CPU)

The motherboard provides a Slot-1 for Pentium II processor. The CPU on board must have a

fan or heat sink attached to prevent overheating.

WARNING: Without a fan or heat sink, the CPU will overheat and cause damage to both the CPU

and the motherboard.

To install a CPU, first turn off your system and remove its cover. Locate the Slot- 1 and place

RETENTION MODULE as following:

IMPORTANT: You must setswitch U4,U2 for both “CPU to Bus frequency Ratio” and “Bus

Frequency Selection” on page 7 depending on the CPU that you install.

➀

Attach heat sink to the CPU.

➁Place Part A on slot-1 and gently screw four corners on top of the mother-board.

COM2

PART A

2-5 Expansion Cards

You must read the documentation come with expansion card for any hardware or software

settings that may be required to setup your specific card.

Installation Procedure:

1. Read the documentation from your expansion card.

2. Set any necessary jumpers on your expansion card.

3. Remove your computer’s cover.

4. Remove the bracket on the slot you intend to use.

5. Carefully align the card’s connectors and press firmly.

6. Secure the card on the slot with the screw you remove in step 4.

7. Replace the computer’s cover.

8. Setup the BIOS if necessary.

9. Install the necessary software drivers for your expansion card.

Assigning IRQs for Expansion Cards

Some expansion cards may require an IRQ to operate. Generally an IRQ must be exclusively

assigned to only one device. In an standard design there are 16 IRQs available but most of

them are occupied by the system and leaves 6 free for expansion cards.

Either AGP, ISA or PCI expansion cards may require an IRQs. System IRQs are available to

cards installed in the ISA expansion first, and any remaining IRQs can be used by PCI cards.

Currently, there are two types of ISA cards. An original ISA expansion card design, know as

“Legacy” ISA cards, they request configure the card’s jumpers manually and then install it in

any available slot on the ISA bus, and other know as Plug and Play. You may use Microsoft’s

Diagnostic (MSD.EXE) utility included in the DOS directory to see a map of your used and any

free IRQs. For Windows 95 users, the “Control Panel” icon in “My Computer”, contains a

“System” icon which gives you “Device Manager” tab. Double clicking on a specific device

give you “Resources” tab which shows the Interrupt number and address. Make sure that no

any two of devices use the same IRQs, or your computer will experience problems when those

two devices are in use at the same time.

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