
Page 32 AmITX-BT-I
4.2.14. DB40 Debug Board Connector
FPC Connector Type: FCI 59GF Flex 10042867
1 40
Pin Interface Signal Remark Pin Interface Signal Remark
1 VCC_SPI_IN SPI Power Input from flash tool to
module. HW need add MOS FET
to switch SPI power for SPI ROM
21 TXD6
2 GND 22 RXD6
3 SPI_BIOS_CS0# 23 FUMD0
4 SPI_BIOS_CS1# 24 RESET_IN#
5 SPI_BIOS_MISO 25 DATA
6 SPI_BIOS_MOSI 26 CLK
7
SPI
Program
interface
SPI_BIOS_CLK 27 OCD0A Include a jumper to
connect OCD0A via 1K0
pull-up to 3.3V_BMC
8 3V3_LPC System power 3.3V provide from
COM module
28
BMC Program
interface
(continued)
OCD0B Include a jumper to
connect OCD0A via 1K0
pull-up to 3.3V_BMC
9 GND 29 PWRBTN#
10 CB_RESET# Platform Reset 30 SYS_RESET#
11 RST# 31 CB_RESET#
12 CLK33_LPC 32 CB_PWROK
13 LPC_FRAME# 33 SUS_S3#
14 LPC_AD3 34 SUS_S4#
15 LPC_AD2 35
Test points
SUS_S5#
16 LPC_AD1 always power 3.3V provide from
COM module
36 POSTWDT_DIS# Connect to Jumper for
Debug
17
LPC Bus
LPC_AD0 37 SEL_BIOS Connect to Jumper for
Debug
18
3.3V_BMC always power 3.3V provide from
COM module
38 BIOS_MODE Connect to Jumper for
Debug
19 3.3V_BMC always power 3.3V provide from
COM module
39
BMC Debug
signals
BMC_STATUS
20
BMC
Program
interface
GND 40 Reserved
Note: the pin description on the Debug Module is the inverse of that on the motherboard.
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