Acorp 4845GVM User manual

0-1
Contents Motherboard 4845GVM(V3.1)
Motherboard
4845GVM(V3.1)
1. 4845GVM(V3.1) Specifications ........4
1.1 Introduction ............................................................ 4
1.2 Package Contents .................................................. 4
1.3 Specifications and Features .................................. 5
CPU Processor ........................................................................... 5
Chipset ........................................................................................ 5
PCI .............................................................................................. 5
DDR SDRAM Memory ............................................................... 5
VGA On Board ............................................................................ 5
Bus Slots ..................................................................................... 5
Universal Serial Bus .................................................................. 5
WOL (Wake On LAN) ................................................................ 5
AwardBIOS ................................................................................ 6
ATA 100 On Board ..................................................................... 6
PCI-Based AC 97 Digital Audio Processor ............................... 6
1.4 4845GVM(V3.1) Layout Diagram ....................... 7
1.5 CPU and CPU Fan Installation .............................. 9
1.5.1 CPU Installation with Socket 478 ..................................... 9
1.5.2 CPU Fan Installation with P4 Fan Base ........................... 10
1.6 DDR SDRAM Installation ................................. 11

0-2
Contents Motherboard 4845GVM(V3.1)
1.7 Connectors & Jumpers Setting ........................... 12
1.7.1 Back Panel I/O Connectors ............................................. 12
1.7.1.1 PS/2 Mouse / Keyboard Connector. ....................................... 1 2
1.7.1.2 USB Connectors: USB0/USB1 ................................................ 1 2
1.7.1.3 Serial Interface Port: COM1 .................................................. 1 3
1.7.1.4 VGA Interface Connector: VGA(15 Pin) ............................. 1 3
1.7.1.5 Parallel Interface Port .............................................................. 1 3
1.7.1.6 MIDI/Game(Joystick) Connector ........................................... 1 3
1.7.1.7 Audio Port Connectors ............................................................. 1 3
1.7.2 ATX Power Connectors: PW1/PW2 ............................... 14
1.7.3 Floppy Disk Connector: FDD .......................................... 15
1.7.4 Hard Disk Connectors: IDE1/IDE2 ................................ 15
1.7.5 Fan Connectors: FAN1~3 ................................................ 15
1.7.6 CD Audio-In Connectors: CDIN1/CDIN2 ....................... 16
1.7.7 Audio-out Connectors: Jp3 .............................................. 17
1.7.8 Wake On LAN Connector: CN2 ...................................... 17
1.7.9 USB Pin Headers: USB1 & USB2 ................................... 18
1.7.10 Front Panel Connectors: PANEL1 ................................ 19
1.7.11 IR infrared module: IR1 Connector .............................. 20
1.7.12 Smart COM Connector ................................................. 21
1.7.13 COM2 Pin Header ........................................................ 21
1.7.14 Second BIOS Connector: Jp6 ....................................... 21
1.7.15 CMOS Function Selector: Jp5 ...................................... 22
1.7.16 Keyboard/Mouse Power On: Jp1 ................................... 22
1.7.17 CPU Clock Frequency Selector: Jp2 ............................ 23
2. BIOS Setup ..................................... 24
2.1 BIOS Support ....................................................... 24
2.2 Main Menu .......................................................... 27

0-3
Contents Motherboard 4845GVM(V3.1)
2.3 Standard CMOS Features .................................. 30
2.4 Advanced BIOS Features ................................... 34
2.5 Advanced Chipset Features ................................ 38
2.6 Integrated Peripherals ......................................... 41
2.7 Power Management Setup .................................. 45
2.8 PnP/PCI Configurations ....................................... 49
2.9 PC Health Status ................................................. 52
2.10 Frequency/Voltage Control ............................... 53
2.11 Load Fail-Safe Defaults ..................................... 54
2.12 Load Optimized Defaults ................................... 55
2.13 Set Supervisor / User Password ........................ 56
2.14 Save & Exit Setup ............................................. 58
2.15 Exit Without Saving ........................................... 59
3. Drivers & Utilities ........................... 60
3.1 Auto-run Menu .................................................... 60
3.2 Installing Intelinf .................................................. 61
3.3 Installing Application Accelerator ...................... 64
3.4 Installing Audio Driver ........................................ 67
3.5 Installing VGA Driver ......................................... 69
3.6 Installing USB 2.0 Device ................................... 73
3.6.1 Install USB2.0 driver for Win 2000 ................................ 73
3.6.2 Install USB2.0 driver for Win XP ................................... 73

1-4
Chapter 1 Motherboard 4845GVM(V3.
1)
The 4845GVM(V3.1) motherboard is an integration of
Intel P4 CPUs in Socket-478 packaging and the North Bridge
i845GV supporting 400 MHz Front Side Bus.
North Bridge i845GV on board also supports DDR 266/
200 DRAMs in DDR 266MHz main bandwidth, while the South
Bridge ICH4 provides stable supports of ULTRA ATA 100,
2-channel Audio playback and USB 2.0/1.1 interface.
The resulting architecture will provide an ideal multi-
task environment to support operating systems such as MS-
DOS, Windows, Windows NT , Windows ME, Windows
2000, Novell, OS/2, Windows 95/98, Windows 98SE, Win-
dows XP, UNIX, Liunx, SCO UNIX etc. This user-friendly
manual is to describe in detail how to install, configure and
use this motherboard with drivers and BIOS setup illustrations.
Chapter 1
Specification
HDD UDMA66/100 Cable.
FDD Cable.
Flash Memory with BIOS.
USB2/3 Cable (Optional).
Fully Setup Driver CD with built in utilities.
User Manual.
1.1 Introduction
1.2 Package Contents
1. 4845GVM(V3.1) Specifications

1-5
Chapter 1 Motherboard 4845GVM(V3.1)
CPU Processor
| Support 533/400MHz System Interface speed.
| Single Socket 478 for Intel P4TM 1.5 to 3.06GHz HT CPUs or
higher (Northwood & Celeron Processor).
| Support Intel NetburstTM Micro-architecture.
Chipset
| Intel 845GV North Bridge.
| Intel ICH4 South Bridge.
PCI
| Supports 33MHz PCI Bus speed.
DDR SDRAM Memory
| Supporting 64/128/256/512....MB DDR module
| Supporting Synchronous DRAM(2.5V)
| Supporting a maximum memory size of 2GB with DDR
266/200 SDRAM.
VGA On Board
| 2D/3D Graphics display supported on board
| 15-pin Connector on board for VGA CRT display
Bus Slots
| 3 32-bit PCI slots.
Universal Serial Bus
| Supporting two on-board Universal Serial Bus(USB)Ports
and four external Universal serial Bus(USB)Ports.
| Supporting USB 2.0/1.1
WOL (Wake On LAN)
| Supporting system power-on by LAN Ring-up signal.
1.3 Specifications and Features

1-6
Chapter 1 Motherboard 4845GVM(V3.1)
Award BIOS
| Supporting Plug & Play specification which detects the
peripheral devices and expansion cards automatically
| Supporting CD-ROM, SCSI, LAN BOOT, Temperature sen-
sor, LAN, Alarm Bus CLK setup
| Supporting Desktop Management Interface (DMI) func-
tion for recording mainboard specification
ATA 100 On Board
| Supporting four IDE devices.
| Supporting PIO Mode 5, Master Mode, high performance
hard disk drives.
| Supporting Ultra DMA 33/66/100 Bus Master Mode.
| Supporting IDE interface with CD-ROM.
| Supporting high capacity hard disk drives.
| Supporting LBA mode.
PCI-Based AC 97 Digital Audio Processor
| AC 97 2.1Audio specifications, 2-channel compatible
| 16-bit Stereo Full-Duplex Codec with indenpendent and vari-
able sampling rate up to 48 KHz
| 4 Analog Line-level Stereo inputs for connection from Line,
CD, Video and AUX
| 2 Analog Line-level:
Mono Input -- PC-beep and Phone-in;
Stereo input -- Speakerphone and PC-beep

1-7
Chapter 1 Motherboard 4845GVM(V3.1)
Intel
ICH4
VIA
IT8712F
mPGA478B
Socket 478
Intel
845GV
Battery
BIOS
VT610
5
LPC IO
AC'97
ALC101
16
17
1
14
116
15
12
21
13
4
98
3
1.4 4845GVM(V3.1) Layout Diagram
10
19
18
7
PCI 1
PCI 2
PCI 3
DIMM 1
DIMM 2
26
23
24 22
5
2
25 20
27

1-8
Chapter 1 Motherboard 4845GVM(V3.1)
6. IR1: IR connector for Infrared signal transmission
7. CN2: Wake On LAN connector
8. COM2: Connector for Serial Port
9. USB1: USB Header for 2 USB ports
10. USB2: USB Header for 2 USB ports
11. Jp6 (Optional): Connector for connection with Second BIOS
12. Panel 1: Front Panel Connector
13. Jp5: Jumper for clearing CMOS
14. Fan 3: Cooling fan connector
15. IDE1: Primary IDE connector
16. IDE2: Secondary IDE connector
17. FD1: Floppy Drive connector
18. PW2: ATX Main Power connector
19. Fan 1: Cooling Fan Connector
20. Jp2: Jumper for CPU Clock Selection
21. PW1: +12 Power Connector
22. CPU Fan Base
23. Socket 478 for P4 CPUs
24. FAN 2: Cooling Fan Connector
25. Jp1: Jumper for Keyboard/Mouse Power On
26. Back Panel: Back Panel I/O Connectors (Mouse, Keyboard,
USB1, COM1, VGA, Printer, MIC in, Line in, Speaker-
out, Game stick)
27. Chipset VIA VT6105: Chip for LAN (optional)
1. CDIN2: CD Audio-in Connector
2. CDIN1: CD Audio-in Connector
3. Jp3: Audio-Out Controller
4. Smart Panel Connector: Connector for expansion of 1 COM Port
with a Smart Panel
5. LPC I/O Chip: Chip for Input/Output control
4845GVM(V3.1) Component Layout Description:

1-9
Chapter 1 Motherboard 4845GVM(V3.1)
mPGA478B
Socket 478
This motherboard is designed with Socket 478 for
Intel P4TM processor.
Pin
1
1.5 CPU and CPU Fan Installation
1. Pull the lever sideways away from the socket and then pull it
up to a 90-degree.
2. Locate Pin 1 in the socket. Pin 1 of CPU is marked by the
yellow corner or cut edge on the CPU. Match Pin 1 of Socket
478 and Pin 1 of CPU.
3. Pull up the lever of Socket 478 to let the CPU in and press
the lever down to lock the CPU.
4. Make sure that Pin 1 of Socket 478 is matching with Pin 1 of
CPU.
5. Make sure that all CPU pins are completely in socket before
pressing down the socket lever.
Intel
pentium 4
Lever of Socket 478
Cooling Fan Base
1.5.1 CPU Installation with Socket 478
Note: Hyper-threading CPUs are supported by Win XP or up
system only.

1-10
Chapter 1 Motherboard 4845GVM(V3.1)
mPGA478B
Socket 478
1.5.2 CPU Fan Installation with P4 Fan Base
1. P4 CPU Fan is typically designed with 4 latches and mounted
with a thick heatsink. Please do not use other type of CPU fan
which cannot match the P4 Fan base on board.
2. Install the P4 CPU fan into the Fan base in such a way that
the 4 latches of the CPU Fan match with the 4 Supporters of
the CPU Fan Base.
3. Press down the latches to lock CPU Fan to the Fan Base.
4. Then connect the Fan Power Cable to one of the Fan con-
nectors on board.
5. Make sure that the Fan Power Cable is correctly connected
to Fan Connector.
Fan Base
4 Latch Supporters
Fan Connector for Fan Power Cable
Mainboard

1-11
Chapter 1 Motherboard 4845GVM(V3.1)
This motherboard supports a maximized 2GB DDR 266/
200 SDRAM. It provides two184-pin DDR sockets support-
ing 64MB to 1GB DDR memory module.
DDR SDRAM Installation Procedures:
1. The DDR socket has a “Plastic Safety Tab” and the DDR memory
module has an asymmetrical notch”, so the DDR memory
module can only fit into the slot in one way.
2. Push the tabs sideways. Insert the DDR memory modules into
the socket at a 90-degree angle and then push down the mod-
ule vertically to fit it into place.
3.The plastic tabs should click into the edge of the memory
module to hold the DDR memory modules in place.
Warning: Be sure to turn off system power whenever to insert or
remove a Memory Module. Otherwise, the power will damage the
module or even the system.
1.6 DDR SDRAM Installation
Bank Memory module
DIMM 1 64MB, 128MB, 256MB, 512MB, 1GB
184 pin, 2.5V DDR SDRAM
DIMM 2 64MB, 128MB, 256MB, 512MB, 1GB
184 pin , 2.5V DDR SDRAM
Total System Memory (Max 2GB)
184-pin DDR Module
DDR Module Notch
DDR Module Rib

1-12
Chapter 1 Motherboard 4845GVM(V3.1)
1.7.1 Back Panel I/O Connectors
This motherboard provides the following back panel
connectors:
1.7 Connectors & Jumpers Setting
1.7.1.1 PS/2 Mouse / Keyboard Connector.
The motherboard provides a standard PS/2 mouse / Keyboard
mini DIN connector for attaching a PS/2 mouse. You can
plug a PS/2 mouse / Keyboard directly into this connector.
1.7.1.2 USB Connectors: USB0/USB1
The motherboard provides a OHCI(Open Host Controller
Interface)Universal Serial Bus Roots for attaching USB
devices such as a keyboard, mouse and other USB devices.
You can plug the USB devices directly into the USB connectors.
PS/2 Mouse
Parallel(Printer) Port
25-pin female
PS/2 Keyboard COM1 VGA Speaker
Line-in
Mic
USB0
MIDI/Game
(15-pin female)
(6-pin female) USB1

1-13
Chapter 1 Motherboard 4845GVM(V3.1)
1.7.1.3 Serial Interface Port: COM1
The serial interface port is sometimes referred to as an RS-
232 port or an asynchronous communication port. Mice,
printers, modems and other peripheral devices can be
connected to a serial port. The serial port can also be used
to connect computer systems together . If you like to transfer
the contents of your hard disk to another system, it can be
accomplished with serial port.
1.7.1.4 VGA Interface Connector: VGA(15 Pin)
This connector is for output to CRT display devices.
1.7.1.5 Parallel Interface Port
Unlike serial ports, parallel interface ports have been
standardized and should not present any difficulty interfacing
peripherals to your system. Sometimes called a Centronics
port, the parallel port is almost exclusively used with printers.
The parallel port on your system is a 25-pin, DB 25 connector.
1.7.1.6 MIDI/Game(Joystick) Connector
You can connect a joystick or game pad to this connector.
1.7.1.7 Audio Port Connectors
Speaker-out is a connector for Speakers or Headphones. Line-
in is used for external CD player, Tape player, or other audio
devices. Mic is a connector for the microphones.
COM1
VGA

1-14
Chapter 1 Motherboard 4845GVM(V3.1)
Note:
When you set up P4 power supply, both PW1 and PW2
must be connected to power.
Important:
To switch on your power supply, please make sure:
1. Memory Module is properly installed.
2. Power supply setup is OK.
Pin PW2 Signal Pin PW2 Signal
1 3.3V 11 3.3V
2 3.3V 12 -12V
3 GND 13 GND
4 5V 14 PS-ON
5 GND 15 GND
6 5V 16 GND
7 GND 17 GND
8 PW-OK 18 -5V
9 5V_SB 19 5V
10 12V 20 5V
1.7.2 ATX Power Connectors: PW1/PW2
PW2 connector is the Main Power Connector supporting the
power button on-board. Functions such as Wake On LAN and
Soft Power Off are supported on motherboard with ATX Power
Supply.
PW1 is ATX 4-pin power connector supporting only +12V
voltage.
Pin PW1 Signal Pin PW1 Signal
1 GND 2 GND
3 +12V 4 +12V
4
31
2
1
10
11
20

1-15
Chapter 1 Motherboard 4845GVM(V3.1)
Intel
ICH4
VIA
IT8712F
mPGA478B
Socket 478
Intel
845GV
Battery
BIOS
VT610
5
LPC IO
AC'97
ALC101
1.7.3 Floppy Disk Connector: FDD
This connector supports the floppy drive ribbon cable. After
connecting the single end to the board, connect the other end
with the two plugs to the floppy drives.
1.7.4 Hard Disk Connectors: IDE1/IDE2
These connectors are provided with IDE hard disk ribbon
cable into the package . After connecting the end of cable
with single connector to the mainboard, connect the other
two connectors at the other end to your hard disk. If you
install two hard disks, you must configure the second drive
to Slave mode by setting its jumper settings. BIOS now
supports SCSI device or IDE CD-ROM boot up (see "HDD
Sequence SCSI/IDE First" & "Boot Sequence" in the BIOS
Features Setup of the BIOS SOFTWARE).
1.7.5 Fan Connectors: FAN1~3
FAN 3
Connector
Pin Definition
1 Ground
2 +12VDC
3 Vcc5
1
3
2
FAN1
Connector
FAN2
Connector
FAN1, FAN2 and FAN3 connectors are
for connecting cooling fans to the
Motherboard power. CPU, Chassis,
chips and add-on cards are devices that
need a cooling fan to cool themselves
down.

1-16
Chapter 1 Motherboard 4845GVM(V3.1)
Intel
ICH4
VIA
IT8712F
mPGA478B
Socket 478
Intel
845GV
Battery
BIOS
VT610
5
LPC IO
AC'97
ALC101
1.7.6 CD Audio-In Connectors: CDIN1/CDIN2
CDIN1 and CDIN2 are the connectors for CD-Audio Input signal.
CDIN2 is of larger pin-pitch than CDIN1. When connecting them
to CD-ROM CD-Audio output connector, take care to choose
the one with same pin pitch.
CDIN1
These Fan connectors support cooling fans of 1Amp or less.
Depending on the fan manufacturer, the wiring and fan cable
connector may be different. The red wire is positive voltage,
while the black is ground. When connect the fan cable connector
to the Fan connector on-board, take into consideration the
polarity of the connector.
Pin CDIN1 Definition
1 GND
2 CD-L
3 GND
4 CD-R
CDIN2
Pin CDIN2 Definition
1 CD-L
2 GND
3 GND
4 CD-R

1-17
Chapter 1 Motherboard 4845GVM(V3.1)
Intel
ICH4
VIA
IT8712F
mPGA478B
Socket 478
Intel
845GV
Battery
BIOS
VT610
5
LPC IO
AC'97
ALC101
1.7.7 Audio-out Connector: Jp3
Jp3 is an Audio-out connector for connecting additional
speakers.
Jp3 Audio-out Connector
1 Front R 2 Front L
3 Line L 4 Line R
5 Mic 1 6 Mic 2
1.7.8 Wake On LAN Connector: CN2
CN2 is an Wake On LAN (WOL) connector for transmitting the
Ring signal from a PCI LAN card to wake up system. If you use
a PCI LAN card for system networking, you can connect this
Wake On LAN connector with the PCI LAN card on board for
Wake On LAN function.
CN2: Wake On LAN Connector
Jp3
12
56

1-18
Chapter 1 Motherboard 4845GVM(V3.1)
Intel
ICH4
VIA
IT8712F
mPGA478B
Socket 478
Intel
845GV
Battery
BIOS
VT610
5
LPC IO
AC'97
ALC101
1.7.9 USB Pin Headers: USB1 & USB2
USB1 USB2
USB1 and USB2 are 2x5 Pin Headers for support of external USB
ports. Each USB pin header requires a USB cable for expansion
of two USB ports. This optional USB cable is available from
your motherboard dealer or vendor.
2
5
1
10
Vcc5
USB3-
USB3+
GND
GND
GND
GND
USB2+
USB2-
Vcc5
Vcc5
USB5-
USB5+
GND
GND
GND
GND
USB4+
USB4-
Vcc5
12
910
12
910

1-19
Chapter 1 Motherboard 4845GVM(V3.1)
Intel
ICH4
VIA
IT8712F
mPGA478B
Socket 478
Intel
845GV
Battery
BIOS
VT610
5
LPC IO
AC'97
ALC101
1.7.10 Front Panel Connectors: PANEL1
PSSW
The system power is controlled by a momentary switch
connected to this lead. Pushing the button once will switch
the system ON.
PowerLED Lead (PW_LED)
The system power LED lights when the system power is on.
Speaker Connector (SPEAKER)
The speaker (onboard or offboard) provides error beep code
information during the Power Self-Test when the computer
cannot use the video interface. The speaker is not connected
to the audio subsystem and does not receive output from
the audio subsystem.
PS SW
(+)
Front Panel Connectors
11
13
15
17
19
1
3
5
7
9
12
14
16
18
20
2
4
6
8
10
RST
HD LED
SPEAKER
PW LED
(+)
(+)
(+)
(+) (+)
(+)

1-20
Chapter 1 Motherboard 4845GVM(V3.1)
Intel
ICH4
VIA
IT8712F
mPGA478B
Socket 478
Intel
845GV
Battery
BIOS
VT610
5
LPC IO
AC'97
ALC101
1.7.11 IR infrared module: IR1 Connector
This connector supports the optional wireless transmission
and reception infrared module. You must configure the setting
through the BIOS setup to use the IR function.
Pin Assignment
1 +5V
2 N/A
3 IRRX
4 GND
5 IRTX
15
The connector can be connected to a reset switch. Press this
reset switch to restart system.
Reset Switch Lead (RST)
Hard Drive LED Connector (HD_LED)
This connector supplies power to the cabinet IDE activity LED.
Read and write activity by devices connected to the Primary or
Secondary IDE connectors will cause the LED to light up.