Avnet MSC C10-MB-EV, User Manual

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MSC C10-MB-EV User Manual
42 / 48
4.17 External SPI BIOS-Flash
There is a socket (SO8 220) on the motherboard, where an additional BIOS-Flash can be inserted.
The BIOS SPI flash can be selected with DIP switch S2802.
BIOS_DIS1 BIOS_DIS0 BIPOS Entry (SPI_CS#)
OFF OFF On module SPI (default)
OFF ON Carrier FWH (not supported)
ON OFF Carrier SPI
ON ON On module SPI, carrier SPI contains management data
Table 23 Jumper BIOS selection
4.18 Feature Connector
Many COMExpress signals are not used on this carrier. These signals and some other
signals and power planes are available at the Feature connector.
Specification Feature connector:

References: X1401

Connector: 40 pin IDC-M

Pin-out: Refer to Table 24

Location: Refer to Illustration 3 Miscellaneous Parts
Pin Signal Pin Signal
1 VCC5S (5V switched) 2 VCC3V3S (3,3V switched)
3 VCC5A (5V always on) 4 SATA_LED#
(incl. 330R serial)
5 I2C_DAT 6 SMB_CLK
7 I2C_CLK 8 SMB_DAT
9 VCC3V3A (always on) 10 LPC_SERIRQ
11 TPM_PP (TPM presence) 12 VCC5S (5V switched)
13 SLP_S5# 14 BEEPER
15 SLP_S3# 16 SER0_TXD
17 SLP_S4# 18 SER0_RXD
19 PS_ON# 20 SMB_ALERT#
21 GND 22 CAN0_SER1_TXD
23 SUS_STAT# 24 THRM#
25 GND 26 CAN0_SER1_RXD
27 WDT (Watch dog trigger) 28 SLEEP#
29 GND 30 GND
31 BATLOW# 32 PCIE_WAKE#
33 GND 34 GND
35 LID# 36 RESET#
37 GND 38 GND
39 PWRBTN# 40 PWR_OK
Table 24 Pin-out Feature connector