COMe Eval Carrier2 T6 (ADT6) User Guide Rev 1.2
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5.1.7.
I2C and SMBus (J57 and FPGA U17)
I2C is connected to EEPROM U32 (24C32), Feature Connector J57 and FPGA U17. VGA I2C connected to VGA connector
and can be measured on MTP72 and MTP12. LVDS_I2C is connected to LVDS connector J2 and eDP connector J14
Table 16: SMBus
COMe (3.3V,
EN_SMB_EXT)
Feature Connector
J57
PEG, PCIe0-7
PICe clkbuffer U12
FPGA U12
SMB_CLK
Pin 13
B5
SMB_CLK_S0_CKBUF
M10
SMB_DAT
Pin 12
B6
SMB_CLK_S0_CKBUF
L10
SMB_Alert#
Pin 10
-
-
J8
5.1.8.
PCIe Slots (J25, J81 – J88)
The slot for PCI Express Graphics is J25 with up to x16 Gen3.
Table 17: PCIe Slots
COMe connector
Lane width
PCIe connector
PEG
x16
J25
PCIE0
x1
J81
PCIE1
x1
J82
PCIE2
x1
J83
PCIE3
x1
J84
PCIE4
x1
J85
PCIE5
x1
J86
PCIE6
x1
J87
PCIE7
x1
J88
5.1.8.1.
PCI Express Reference Clock
Place bypass resistors for Reference Clock measurements. For x4/x8/x16 PCIe cards it might be necessary to place
J98 to output the reference clock on all x1 slots.
