AXIOMTEK CEM521 User Manual page 19

Pin Signal
A1 GND (FIXED)
A2 LAN1_MDI3-
A3 LAN1_MDI3+
A4 LAN1_LED_100_N
A5 LAN1_LED_1000_N B5
A6 LAN1_MDI2-
A7 LAN1_MDI2+
A8 LAN1_LINK_LED_N B8
A9 LAN1_MDI1-
A10 LAN1_MDI1+
A11 GND (FIXED)
A12 LAN1_MDI0-
A13 LAN1_MDI0+
A14 GBE0_CTREF
A15 SLP_S3_N_B
A16 SATA0_TXP
A17 SATA0_TXN
A18 SLP_S4_N_B
A19 SATA0_RXP
A20 SATA0_RXN
A21 GND (FIXED)
A22 SATA2_TXP
A23 SATA2_TXN
A24 MCP_SLP_S5_N
A25 SATA2_RXP
A26 SATA2_RXN
A27 PM_BATLOW_N
A28 SATA_LED_N
A29 AUD_LINK_SYNC
A30 AUD_LINK_RST#
A31 GND (FIXED)
A32 AUD_LINK_BCLK
A33 AUD_LINK_SDO
A34 BIOS_DISABLE0_N B34
A35 THERMTRIP_N_3V3 B35
A36 USBP_6N
A37 USBP_6P
A38 USB_OC3_N
A39 USBP_4N
A40 USBP_4P
A41 GND (FIXED)
A42 USBP_2N
A43 USBP_2P
A44 USB_OC1_N
A45 USBP_0N
A46 USBP_0P
A47 VCC_RTC_CB
A48 I2C_ALERT_N
A49 COM_GBE0_SPD
A50 INT_SERIRQ_R
A51 GND (FIXED)
A52 PCIE_TX_DP5
A53 PCIE_TX_DN5
A54 COM_GPI0
A55 PCIE_TX_DP4
Module and Pin Assignments
Pin Signal Pin
B1 GND (FIXED) C1
B2 LAN1_LED_ACT_N C2
B3 LPC_FRAME_N C3
B4 LPC_AD0 C4
LPC_AD1 C5
B6 LPC_AD2 C6
B7 LPC_AD3 C7
N.C. C8
B9 N.C. C9
B10 L_CLK_33M_COM C10
B11 GND (FIXED) C11
B12 PWRBTN_N_CB C12
B13 COM_SMB_CLK C13
B14 COM_SMB_DAT C14
B15 SMBALERT_N C15
B16 SATA1_TXP C16
B17 SATA1_TXN C17
B18 SUS_STAT_N_R C18
B19 SATA1_RXP C19
B20 SATA1_RXN C20
B21 GND (FIXED) C21
B22 N.C. C22
B23 N.C. C23
B24 PWR_OK_CB C24
B25 N.C. C25
B26 N.C. C26
B27 WDT_RESET_N C27
B28 N.C. C28
B29 AUD_LINK_SDI1 C29
B30 AUD_LINK_SDI0 C30
B31 GND (FIXED) C31
B32 MCP_SPKR C32
B33 I2C_CLK_SBY C33
I2C_DAT_SBY C34
COM_THRM_N C35
B36 USBP_7N C36
B37 USBP_7P C37
B38 USB_OC2_N C38
B39 USBP_5N C39
B40 USBP_5P C40
B41 GND (FIXED) C41
B42 USBP_3N C42
B43 USBP_3P C43
B44 USB_OC0_N C44
B45 USBP_1N C45
B46 USBP_1P C46
B47 N.C. C47
B48 N.C. C48
B49 RST_BTN_N C49
B50 PLTRST_2_N C50
B51 GND (FIXED) C51
B52 PCIE_RX_DP5 C52
B53 PCIE_RX_DN5 C53
B54 COM_GPO1 C54
B55 PCIE_RX_DP4 C55
CEM521 COM Express
Signal Pin
GND (FIXED) D1
GND D2
USB3_RX0_N D3
USB3_RX0_P D4
GND D5
USB3_RX1_N D6
USB3_RX1_P D7
GND D8
USB3_RX2_N D9
USB3_RX2_P D10
GND (FIXED) D11
USB3_RX3_N D12
USB3_RX3_P D13
GND D14
N.C. D15
N.C. D16
N.C. D17
N.C. D18
PCIE_RX_DP6 D19
PCIE_RX_DN6 D20
GND (FIXED) D21
PCIE_RX_DP7 D22
PCIE_RX_DN7 D23
DDPB_HPD D24
N.C. D25
N.C. D26
N.C. D27
N.C. D28
N.C. D29
N.C. D30
GND (FIXED) D31
DDIC_CTRLCLK_AUXP D32
DDIC_CTRLDATA_AUXN D33
DDIC_SEL D34
N.C. D35
N.C. D36
N.C. D37
N.C D38
N.C D39
N.C D40
GND (FIXED) D41
N.C D42
N.C D43
N.C D44
N.C. D45
N.C D46
N.C D47
N.C. D48
N.C. D49
N.C. D50
GND (FIXED) D51
N.C. D52
N.C. D53
N.C. D54
N.C. D55
TM
Type 6 Module
Signal
GND (FIXED)
GND
USB3_TX0_N
USB3_TX0_P
GND
USB3_TX1_N
USB3_TX1_P
GND
USB3_TX2_N
USB3_TX2_P
GND (FIXED)
USB3_TX3_N
USB3_TX3_P
GND
DDIB_CTRLCLK_AUXP
DDIB_CTRLDATA_AUXN
N.C.
N.C.
PCIE_TX_DP6
PCIE_TX_DN6
GND (FIXED)
PCIE_TX_DP7
PCIE_TX_DN7
N.C.
N.C.
DDPB_0P
DDPB_0N
N.C.
DDPB_1P
DDPB_1N
GND (FIXED)
DDPB_2P
DDPB_2N
DDIB_SEL
N.C.
DDPB_3P
DDPB_3N
N.C.
COM_DDPC_0P
COM_DDPC_0N
GND (FIXED)
COM_DDPC_1P
COM_DDPC_1N
DDPC_HPD
N.C.
DDPC_2P
DDPC_2N
N.C.
DDPC_3P
DDPC_3N
GND (FIXED)
N.C.
N.C.
N.C.
N.C.
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