INSTALLATIONS
14
MB837-D25 / MB837-D25-R User’s Manual
J11: DC Power Jack (+12V only)
Note: Do not connect J9 and J11 at the same time.
LED1, LED2, LED3 & LED4: LAN Port Link, Active LEDs
LED5: Power, Alarm & Status LEDs
Signal
Name
Pin #
Pin #
Signal
Name
PWR
LED+
A1
C1
PWR LED-
ALARM
LED+
A2
C2
SIO GPIO55
STATUS
LED+
A3
C3
SIO
GPIO56
Index port: 4E
Data port: 4F
Device: 08
30h
bit1 = 1
E0h
bit5, bit6 = 0
E1h
bit5, bit6 (Control pin)
SW3: Software Reset Button
Signal Name
Pin #
Pin #
Signal Name
GND
1
2
Intel NM10 PCH
GPIO7
IO Base:
Read IO 0x500 and set bit 7 to “1” (Enabled GPIO function)
Read IO 0x504 and set bit 7 to “1” (GPIO act as GPI )
Read IO 0x50C and check the bit 7 (Control Pin)
Note: SW3 is controlled by GPIO only.
SW2: Power Switch
JP3: Mini-PCI Connector
Summary of Contents for MB837-D25
Page 1: ...MB837 D25 MB837 D25 R Intel Atom D2550 5 25 inch SBC USER S MANUAL Version 1 2...
Page 5: ...MB837 D25 User s Manual v This page is intentionally left blank...
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Page 10: ...INSTALLATIONS 4 MB837 D25 MB837 D25 R User s Manual Board Dimensions...
Page 42: ...BIOS Setup 36 MB837 D25 MB837 D25 R User s Manual This page is intentionally left blank...
Page 52: ...APPENDIX 46 MB837 D25 MB837 D25 R User s Manual void Unlock_W627UHG void...