MSI MS-9803 User Manual page 30

MS-9803 Mainboard
Audio Amplifier Connector: JAMP1
The JAMP1 is used to connect audio amplifiers to enhance audio performance.
S/PDIF-Out Connector: JSPD1 (Optional, for HDMI graphics card
only)
This connector is used to connect S/PDIF (Sony & Philips Digital Interconnect Format)
interface for digital audio transmission to the HDMI graphics card.
SPI Flash ROM Connector: JSPI2
This connector is used to flash SPI flash ROM.
2-12
JAMP1
1
SPDIF-Out
JSPD1
JSPI2
9
10
Pin Definition
Pin Description
1 VCC3_SB
3 SPI_MISO_F
5 SPI_CS0_F#
7 GND
9 SPI_HOLD#
Pin Definition
PIN SIGNAL
1 AMP_L-
2 AMP_L+
3 AMP_R-
4 AMP_R+
GND
1
2
Pin Description
2 VCC3_SB
4 SPI_MOSI_F
6 SPI_CLK_F
8 GND
10 NC