Page 1
G4S306-C
Rev. A+
System Board
User’s Manual
935-G4S306-500G
A80210545
Page 2
Introduction
1
6
1.1 Features and Specifications
1.1.1 Features
Chipset
• Intel® 865G chipset
- Intel® 865G Graphics Memory Controller Hub (GMCH)
- Intel® 82801EB I/O Controller Hub (ICH5)
Processor
The system board is equipped with Socket 478 for installing one of
the following suppor ted processors.
• Intel® Pentium® 4 Processor with Hyper-Threading Technology
- 800MHz/533MHz system data bus
• Intel® Pentium® 4 Nor thwood processor
- 533MHz/400MHz system data bus
• Intel® Celeron® Nor thwood processor
- 400MHz system data bus
System Memory
• Two 184-pin DDR DIMM sockets
• Suppor ts dual channel (128-bit wide) memory interface
• Suppor ts up to 2GB system memor y
• Synchronous operation with processor system bus
- PC2700/PC3200 (DDR333/DDR400) with 800MHz FSB
CPU. DDR333 will run at 320MHz memor y frequency when
used with 800MHz FSB CPU.
- Use PC2100/PC2700 (DDR266/DDR333) with 533MHz
FSB CPU
- Use PC2100 (DDR266) with 400MHz FSB CPU
• Supports non-ECC (x64) DIMM using 128Mb, 256Mb or
512Mb
• Suppor ts unbuffered DIMMs
Note:
When using DDR333/DDR400 with Celeron 400MHz FSB
CPU, the maximum speed will be limited to the speed of a
DDR266.
Chapter 1 - Introduction
Page 3
1
Introduction
7
Density Width
Single/Double
184-pin DDR
64 Mbit
X8
SS/DS
64/128MB
X16
SS/DS
32MB/NA
Density
128 Mbit
X8
SS/DS
128/256MB
X16
SS/DS
64MB/NA
256 Mbit
X8
SS/DS
256/512MB
X16
SS/DS
128MB/NA
512 Mbit
X8
SS/DS
512/1024MB
X16
SS/DS
256MB/NA
Expansion Slots
• 1 AGP slot
• 3 PCI slots
AGP (Accelerated Graphics Port)
• Suppor ts AGP 3.0 (AGP 4x and 8x) and AGP 2.0 (AGP 1x and
4x) spec.
• Supports 1.5V AGP 8x (2.13GB/sec.) and AGP 4x (1066MB/
sec.) add-in cards.
AGP is an interface designed to suppor t high performance 3D
graphics cards for 3D graphics applications. It handles large
amounts of graphics data with the following features:
• Pipelined memory read and write operations that hide
memor y access latency.
• Demultiplexing of address and data on the bus for nearly
100 percent efficiency.
Note:
AGP 2x and 3.3V AGP cards are not supported.
Onboard Graphics Features
• Graphics memory
- Shares 1MB/8MB/16MB of the system memory in DOS
mode
- Uses Dynamic Video Memory Technology (DVMT) in
Windows mode
• Graphics controller
- Core frequency of 266MHz
- 350MHz integr ated 24-bit RAMDAC
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2
Hardware Installation
2.1 System Board Layout
Chapter 2 - Hardware Installation
KB/Mouse
COM 1
Parallel
VGA
Socket 478
1
+12V power
USB 1-2
LAN, USB 3-4
Line-out/Line-in/Mic-in
Intel
82865G
Intel
ICH5
Realtek
RTL8101L
1
IrDA
COM 2
AGP
PCI 1
PCI 2
PCI 3
1
Game
1
CD-in
Audio
Codec
1
1
Front audio
S/PDIF
Surr_con
1
FDD
1
1
USB 5-61USB 7-8
BIOS
1
1
1
SATA 2
SATA 1
Battery
Chassis
fan
1
IDE 1
1
IDE 2
DDR 1
1
1
1
ATX
power
CPU fan
2nd fan
1
WOL
DIMM LED
DDR 2
Winbond
W83627HF
1
PS/2 Power (JP4)
1
USB 1-4 Power
(JP5)
1
1
USB 5-8 Power
(JP6)
1
Clear CMOS (JP3)
HD-LED
RESET
SPEAKER
PWR-LED
ATX-SW
1
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2
Hardware Installation
COM 1
2.5.2 Serial Ports
"
"
The serial ports are RS-232C asynchronous communication ports
with 16C550A-compatible UARTs that can be used with modems,
serial pr inters, remote display terminals, and other serial devices.
The system board is equipped with an onboard serial por t (CN4 Teal/Turquoise) for COM 1 and a 9-pin connector at location J6 for
COM 2.
One card-edge bracket, mounted with a serial port cable, will be
provided as an option. If you want to use the COM 2 serial port,
connect the serial port cable to connector J6. Make sure the colored
stripe on the ribbon cable is aligned with pin 1 of connector J6.
Mount the card-edge bracket to the system chassis.
BIOS Setting
Select the serial ports’ I/O address in the Integrated Peripherals
submenu (“Super IO Device” section) of the BIOS. Refer to chapter
3 for more information.
COM 2
1
9
2
CD
TD
RD
DTR
SG
RTS
DSR
CTS
RI
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2
Hardware Installation
2.6.3 S/PDIF Connector
The system board is equipped with a S/PDIF connector. One cardedge bracket, mounted with S/PDIF ports, will be provided as an
option. Install the card-edge bracket to the system chassis then
connect the audio cable connector to J3. Make sure pin 1 of the
audio cable connector is aligned with pin 1 of J3.
15
VCC
Key
SPDIF out
GND
SPDIF in
"
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2
Hardware Installation
2.6.13 Front Panel Connectors
HD-LED: Primary/Secondary IDE LED
This LED will light when the hard drive is being accessed.
RESET: Reset Switch
This switch allows you to reboot without having to power off the
system thus prolonging the life of the power supply or system.
SPEAKER: Speaker Connector
This connects to the speaker installed in the system chassis.
ATX-SW: ATX Power Switch
Depending on the setting in the BIOS setup, this switch is a “dual
function power button” that will allow your system to enter the SoftOff or Suspend mode. Refer to “Soft-Off By PWR-BTTN” in the
Power Management Setup (Chapter 3).
!
J14
1
2
21
22
PWR-LED
ATX-SW
HD-LED
RESET
SPEAKER
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2
Hardware Installation
PWR-LED: Power/Standby LED
When the system’s power is on, this LED will light. When the system
is in the S1 (POS - Power On Suspend) or S3 (STR - Suspend To
RAM) state, it will blink ever y second.
Note:
If a system did not boot-up and the Power/Standby LED did
not light after it was powered-on, it may indicate that the CPU
or memory module was not installed properly. Please make
sure they are properly inserted into their corresponding socket.
Pin
3
5
14
16
8
10
18
20
7
9
13
15
17
19
2
4
6
1
11
21
22
12
HD-LED
(Primary/Secondary IDE LED)
Reserved
ATX-SW
(ATX power switch)
Reserved
RESET
(Reset switch)
SPEAKER
(Speaker connector)
PWR-LED
(Power/Standby LED)
Reserved
Key
Pin Assignment
HDD LED Power
HDD
N. C.
N. C.
PWRBT+
PWRBT-
N. C.
N. C.
Ground
H/W Reset
Speaker Data
N. C.
Ground
Speaker Power
LED Power (+)
LED Power (+)
LED Power (-) or Standby Signal
N. C.
N. C.
N. C.
N. C.
N. C.
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