DIP Switch Settings and Pin Definitions¶
This chapter provides guidance on setting up the DIP switch and using the internal I/Os of the Alderamin MK3 Embedded System hardware.
Jumper and Internal Connector Placement¶
Overall Layout¶
Label |
Component |
|---|---|
A |
1st Board-to-Board Connector |
B |
DIMM Sockets |
C |
2nd Board-to-Board Connector |
D |
Mini PCIe Slot 2 |
E |
CPU Socket |
F |
DIP Switch for Power COM |
G |
AT/ATX Mode Switch |
H |
M.2 Key E Connector |
I |
Board-to-Board Connector for Power Ignition |
J |
5V Power Header |
K |
5V Power Header |
L |
12V Power Header for PoE Module of Mini PCIe |
M |
12V Power Header for PoE Module of Mini PCIe |
N |
2nd SATA Signal Header |
O |
2nd SATA Power Header |
P |
FAN Header |
Q |
1st SATA Connector |
R |
Coin Battery Connector |
S |
M.2 Key M |
T |
PCIe X16 |
U |
Clear CMOS Switch |
V |
Mini PCIe Slot 1 |
W |
PCIe X1 |
X |
3rd SATA Signal Header |
Y |
3rd SATA Power Header |
DIP Switch Settings¶
AT/ATX Mode Selection (Location #G)¶
Pin Position |
Mode |
|---|---|
UP |
ATX Mode |
DOWN |
AT Mode |
Power COM DIP Switch (Location #F)¶
Switch Setting |
Mode |
1 |
2 |
|---|---|---|---|
COM 1 |
RI |
ON |
ON |
5V |
ON |
OFF |
|
12V |
OFF |
ON |
|
COM 2 |
RI |
ON |
ON |
5V |
ON |
OFF |
|
12V |
OFF |
ON |
Internal Connector Pin Definitions¶
1st SATA Connector (Location #Q)¶
Pin |
Signal Name |
|---|---|
P1-P3 |
VCC3 |
P4-P6 |
GND |
P7-P9 |
VCC |
P10 |
GND |
P11 |
RES |
P12 |
GND |
P13-P15 |
+12V |
S1 |
GND |
S2 |
SATAHDR_TXP0_C |
S3 |
SATAHDR_TXN0_C |
S4 |
GND |
S5 |
SATAHDR_RXN0_C |
S6 |
SATAHDR_RXP0_C |
S7 |
GND |
SATA Power Headers (Location #O/#Y - 2nd & 3rd SATA Power Headers)¶
Pin |
Signal Name |
|---|---|
1 |
VCC3 |
2 |
GND |
3-4 |
VCC |
5 |
GND |
6-7 |
+12V |
SATA Signal Headers (Location #N/#X - 2nd & 3rd SATA Signal Headers)¶
Pin |
Signal Name |
Description |
|---|---|---|
1 |
GND |
Ground |
2 |
SATAHDR_TXP_C |
SATA Data Transmit (Positive) |
3 |
SATAHDR_TXN_C |
SATA Data Transmit (Negative) |
4 |
GND |
Ground |
5 |
SATAHDR_RXN_C |
SATA Data Receive (Negative) |
6 |
SATAHDR_RXP_C |
SATA Data Receive (Positive) |
7 |
GND |
Ground |
Fan Header (Location #P)¶
Pin |
Signal |
|---|---|
1 |
Ground |
2 |
+12V |
3 |
CPU_FAN_TACH |
4 |
CPU_FAN_CTRL |
M.2 Connectors¶
M.2 Key E Slot (Location #H)¶
M.2 Key M Slot (Location #S)¶
12V Power Headers for PoE Xpansion (Location #L/#M)¶
Pin |
Signal |
|---|---|
1 |
Ground |
2-3 |
+12V |
4 |
GND |
5V Power Headers (Location #J/#K)¶
Pin |
Signal |
|---|---|
1 |
+5V |
2 |
Ground |
External Connector Pin Definitions¶
3-Pin Terminal Block for DC Input¶
Pin |
Signal |
|---|---|
1 |
DC IN +9~48VIN |
2 |
Ignition (IGN) |
3 |
GND |
4-Pin Terminal Block for PWM Fan¶
Pin |
Signal |
|---|---|
1 |
Ground |
2 |
+12V |
3 |
System_FAN_TACH |
4 |
SYSTEM_FAN_CTRL |
2-Pin Terminal Block for Remote Power ON/OFF and Reset¶
Pin |
Signal |
|---|---|
1 |
Ground |
2 |
EXT Reset |
3 |
Ground |
4 |
EXT_PWRBT_ON/OFF |
Expansion Modules¶
COM/DIO Expansion Module¶
This module consists of Serial COM and Digital IO functions.
COM Port Settings¶
Location: Supports 4 COM ports (Configurable as RS232/RS485/RS422).
DIP Switch Functions¶
COM ID Selection Switch
Powered COM Enable Switch
Powered COM Power Source Selection Switch
COM Mode Setting Switch
LAN Expansion Module¶
Supports four M12 type interfaces for Giga LAN connectivity.
Ignition Expansion Module¶
Detects vehicle ignition status and controls power delay settings.
Delay Power On/Off Setting Switch¶
