
IPAEL-GS
Motherboard layout reference
Contents
• Specications summary
• Motherboard layout
• Rear panel connectors
• Function selectors
• Internal connectors
Oct 2008

Specications summary
CPU Socket: Intel Socket 775
Supports: Conroe, Kentseld, Wolfdale, Yorkeld, Conroe-L
Front Side Bus: 800/1066/1333 MHz
Chipset MCH (North Bridge): Intel P45
ICH (South Bridge): Intel ICH10R
Memory
Dual channel, 4 slots, Non-ECC, Unbuffered, 240 pin DDR2, max 16GB
Types: 667/PC2-5400, 800/PC2-6400
Expansion slots 2x PCI Express Graphic slot (x16)
2x PCI Express slot (x1)
3x PCI slot
Audio Azalia IDT 92HD73E CODEC (8 Channels)
LAN Intel 82567V Gigabit Ethernet PHY
Graphic None
Storage/RAID
1394 (optional) 1394a, 100/200/400Mbps, 2 ports (1 onboard, 1 on rear panel)
USB 12x USB 2.0 ports (6 onboard ports, 6 on rear panel)
Rear panel I/O ports
x SATA ports[H6$7$SRUW
1x 1394 port(optional) + 2x USB 2.0 ports
2x USB
2.0 ports + 1x eSATA port
1x LAN port + 2x USB 2.0 ports
5x Audio out ports
1x 63',)DXGLRRXWSRUW
Internal connectors 1x SPDIF output header
1x Front panel audio header
1x 1394a front panel header(optioanl)
3x USB 2.0 dual port headers
1x Front Panel connector
1x 7-pin SATA header
2x 14-pin SATA headers
1x Serial (COM) port header(optioanl)
1x System chassis intrusion header(optional)
Power connectors 1x 24-pin EATX (+12V EPS power connector)
1x 4-pin ATX (+12V power connector)
1x 4-pin PCIe power connector
1x CPU FAN connector
3x System FAN connectors (Front/Rear/Aux) (default rear only)
Selectors Clear RTC
BIOS
Form factor
2
SPI Mb (AMI)
ATX form factor 1 in. x 9.6 in.
IPAEL-GS motherboard layout reference

Motherboard layout
ATX CPU Power
Connector
REAR Fan
Connector
1394 • USB
Connectors
HSATA • USB
Connectors
LAN • USB
Connectors
Audio
Connectors
(6 ports)
PCIe Power
Connector
PCIE16
Connector
PCIE1
Connector
Front Panel
1394 ConnectorRSWLRQDO
PCIE16
Connector
ATX_CPU
REAR_FAN
1394_USB
SATA • USB
LAN • USB
AUDIO
F_1394
CPU Fan
Connector
CPU_FAN
PCIe POWER
PCIE-X1 Slot1
PCIE-X1 Slot2
Intel
LGA775
CPU Socket
PCIE-X16 Primary
PCIE-X16 Secondary
Northbridge
CMOS
Memory
Sockets
XMM1
XMM2
Southbridge
XMM3
XMM4
BATTERY
ATXPWR
FRONT_FANINTRUSION
SATA
F_PANEL
SPI_CON
ATX Power
Connector
Front Fan
ConnectorRSWLRDQO
Chassis Intrusion
Alarm Connector
Clear CMOS
Selector
Front Panel
Connector
Serial Peripheral
Interface
SATA
Connectors
PCI
Connectors
Internal SPDIF
Connector
F_AUDIO
SPDIF_OUT
Front Panel
Audio Connector
Rear panel connectors
1394a
portRSWLRQDO
USB 2.0
ports
USB 2.0
ports
ESATA
port
PCI Slot1
PCI Slot2
PCI Slot3
LAN (RJ-45)
port
USB 2.0
ports
PWR LED
SERIAL_A
Onboard
Power LED
Internal Serial
Port ConnectorRSWLRDQO
%ODFN: 5HDU/5
2UDQJH&HQWHU6XE
Blue: Line In, Side L/R
Lime: Front-L/R Out
Pink: Mic In
63',)DXGLRRXWSXW
Audio ports
BUZZER
F_USB3 F_USB2 F_USB1
USB 2.0
Connectors
AUX_FAN
Auxiliary Fan
ConnectorRSWLRQDO
IPAEL-GS motherboard layout reference
3

LAN port LED indicators
1 2 3
(Default) Clear CMOS
1 2 3
Left (LINK)
Blink : Activity
Off : No Activity
LAN port
Right (SPEED)
Yellow : 1Gbit
Green : 100M
Off : 10M
Function Selectors
CLEAR CMOS SELECTOR
To erase the CMOS RTC RAM user settings:
1. Turn OFF the computer and unplug the power cord.
2. Move the cap to clear for 5 to 10 secs, then move cap back to default.
3. Plug the power cord and turn ON the computer.
4. During the boot process, enter BIOS setup to re-enter user settings.
4
IPAEL-GS motherboard layout reference

Internal connectors
CPU_FAN
Ground
(+)12V
FAN_PWM
TPA2(-)
Ground
TPB2(-)
(+)12V
Ground
Ground
(+)12V
F_1394
SPDIF_OUT
Ground
SPDIF Out
+5V
MIC*_L
MIC*_R
LINE*_R
Ground
Ground
LINE*_L
LINE*_RTU
MIC*_RTU
AUDIO_PRES#
F_AUDIO
F_PANEL
Ground
Ground
HDLED(+)
HDLED(-)
+HDLED
RESET
PLED(+)
PLED(-)
PWR
ResetReset
PWRBTN
PLED
SPI_CON
Ground
+3P3V_CL
SPI_CS#_R
SPI_CS#
SPI_MOSI
SPI_MISO
SPI_CLK
Ground
Ground
Ground
RSATA_RXP*
RSATA_RXN*
RSATA_TXN*
RSATA_TXP*
Ground
Ground
Ground
RSATA_RXP*
RSATA_RXN*
RSATA_TXN*
RSATA_TXP*
USB*(-)
USB*(+)
USB*(+)
USB*(-)
Ground
Ground
SBV
SBV
NC
FP 1394
CPU FAN CONNECTOR
INTERNAL SPDIF CONNECTOR
SATA CONNECTORS
FRONT PANEL 1394 CONNECTOR
FP AUDIO
FRONT PANEL AUDIO CONNECTOR
SATA0
SATA12
SATA45
SATA CONNECTORS
ATX POWER CONNECTOR
USB 2.0 CONNECTORS
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
Ground
+5 Volts
Ground
+5 Volts
Ground
+3 Volts
+3 Volts
Ground
+5 Volts
+5 Volts
+5 Volts
1$
Ground
Ground
Ground
PSON#
Ground
12 Volts
+3 Volts
FRONT PANEL CONNECTOR
F_USB3
F_USB2
F_USB1
SPI CONNECTOR
IPAEL-GS motherboard layout reference
5

Internal connectors (cont’d)
SERIAL A
DDC*#
TTXD*
Ground
RRTS*#
RRXD*
DDTR*#
DDSR*#
CCTS*#
RRT*#
REAR FAN
SYS_FAN_TACH
+12V
Ground
INTRUSION
Chassis Signal
Ground
AUX_FAN
Ground
(+)12V
FAN_PWM
SERIAL_A
INTERNAL SERIAL PORT CONNECTOR
AUXILLIARY FAN CONNECTOR
REAR FAN CONNECTOR FRONT FAN CONNECTOR
CHASSIS INTRUSION ALARM CONNECTOR
PCIe POWER CONNECTOR
FRONT_FAN
5RWDWLRQ
+12V
*URXQG
6
IPAEL-GS motherboard layout reference