23
JDASH1: Tuning Controller Connector
This connector is used to connect an optional Tuning Controller module.
Pin Signal Name Pin Signal Name
1 No Pin 2 NC
3 MCU_SMB_SCL_M 4 MCU_SMB_SDA_M
5 VCC5 6 Ground
1
2 6
5
JTBT1: Thunderbolt Add-on Card Connector
This connector allows you to connect the add-on Thunderbolt I/O card.
1
2 16
15
Pin Signal Name Pin Signal Name
1 TBT_Force_PWR 2 TBT_S0IX_Entry_REQ
3 TBT_CIO_Plug_Event# 4 TBT_S0IX_Entry_ACK
5 SLP_S3#_TBT 6 TBT_PSON_Override_N
7 SLP_S5#_TBT 8 No Pin
9 Ground 10 SMBCLK_VSB
11 DG_PEWake 12 SMBDATA_VSB
13 TBT_RTD3_PWR_EN 14 Ground
15 TBT_Card_DET_R# 16 PD_IRQ#
EZ Debug LED
These LEDs indicate the status of the motherboard.
CPU - indicates CPU is not detected or fail.
DRAM - indicates DRAM is not detected or fail.
VGA - indicates GPU is not detected or fail.
BOOT - indicates booting device is not detected or fail.