+/****************************************************************************************
+* Open Motion controller with enable based extruders
+*
+* ATMega644
+*
+* +---\/---+
+* (D 0) PB0 1| |40 PA0 (AI 0 / D31)
+* (D 1) PB1 2| |39 PA1 (AI 1 / D30)
+* INT2 (D 2) PB2 3| |38 PA2 (AI 2 / D29)
+* PWM (D 3) PB3 4| |37 PA3 (AI 3 / D28)
+* PWM (D 4) PB4 5| |36 PA4 (AI 4 / D27)
+* MOSI (D 5) PB5 6| |35 PA5 (AI 5 / D26)
+* MISO (D 6) PB6 7| |34 PA6 (AI 6 / D25)
+* SCK (D 7) PB7 8| |33 PA7 (AI 7 / D24)
+* RST 9| |32 AREF
+* VCC 10| |31 GND
+* GND 11| |30 AVCC
+* XTAL2 12| |29 PC7 (D 23)
+* XTAL1 13| |28 PC6 (D 22)
+* RX0 (D 8) PD0 14| |27 PC5 (D 21) TDI
+* TX0 (D 9) PD1 15| |26 PC4 (D 20) TDO
+* INT0 RX1 (D 10) PD2 16| |25 PC3 (D 19) TMS
+* INT1 TX1 (D 11) PD3 17| |24 PC2 (D 18) TCK
+* PWM (D 12) PD4 18| |23 PC1 (D 17) SDA
+* PWM (D 13) PD5 19| |22 PC0 (D 16) SCL
+* PWM (D 14) PD6 20| |21 PD7 (D 15) PWM
+* +--------+
+*
+****************************************************************************************/
+#if MOTHERBOARD == 90 //Alpha OMCA board
+#define KNOWN_BOARD 1
+
+#ifndef __AVR_ATmega644__
+#error Oops! Make sure you have 'SanguinoA' selected from the 'Tools -> Boards' menu.
+#endif
+
+#define X_STEP_PIN 21
+#define X_DIR_PIN 20
+#define X_ENABLE_PIN 24
+#define X_MIN_PIN 0
+#define X_MAX_PIN -1
+
+#define Y_STEP_PIN 23
+#define Y_DIR_PIN 22
+#define Y_ENABLE_PIN 24
+#define Y_MIN_PIN 1
+#define Y_MAX_PIN -1
+
+#define Z_STEP_PIN 26
+#define Z_DIR_PIN 25
+#define Z_ENABLE_PIN 24
+#define Z_MIN_PIN 2
+#define Z_MAX_PIN -1
+
+#define E0_STEP_PIN 28
+#define E0_DIR_PIN 27
+#define E0_ENABLE_PIN 24
+
+#define E1_STEP_PIN -1 // 19
+#define E1_DIR_PIN -1 // 18
+#define E1_ENABLE_PIN 24
+
+#define E2_STEP_PIN -1 // 17
+#define E2_DIR_PIN -1 // 16
+#define E2_ENABLE_PIN 24
+
+#define SDPOWER -1
+#define SDSS 11
+#define SDCARDDETECT -1 // 10 optional also used as mode pin
+#define LED_PIN -1
+#define FAN_PIN 3
+#define PS_ON_PIN -1
+#define KILL_PIN -1
+
+#define HEATER_0_PIN 4
+#define HEATER_1_PIN -1 // 12
+#define HEATER_2_PIN -1 // 13
+#define TEMP_0_PIN 0 //D27 // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
+#define TEMP_1_PIN -1 // 1
+#define TEMP_2_PIN -1 // 2
+#define HEATER_BED_PIN -1 // 14/15
+#define TEMP_BED_PIN -1 // 1,2 or I2C
+/* Unused (1) (2) (3) 4 5 6 7 8 9 10 11 12 13 (14) (15) (16) 17 (18) (19) (20) (21) (22) (23) 24 (25) (26) (27) 28 (29) (30) (31) */
+
+#endif
+
+#if MOTHERBOARD == 91 // Final OMCA board -- REF http://sanguino.cc/hardware
+#define KNOWN_BOARD 1
+
+#if !defined(__AVR_ATmega644P__) && !defined(__AVR_ATmega644__)
+#error Oops! Make sure you have 'Sanguino' selected from the 'Tools -> Boards' menu. (Final OMCA board)
+#endif
+
+#define X_STEP_PIN 26
+#define X_DIR_PIN 25
+#define X_ENABLE_PIN 10
+#define X_MIN_PIN 0
+#define X_MAX_PIN -1
+
+#define Y_STEP_PIN 28
+#define Y_DIR_PIN 27
+#define Y_ENABLE_PIN 10
+#define Y_MIN_PIN 1
+#define Y_MAX_PIN -1
+
+#define Z_STEP_PIN 23
+#define Z_DIR_PIN 22
+#define Z_ENABLE_PIN 10
+#define Z_MIN_PIN 2
+#define Z_MAX_PIN -1
+
+#define E0_STEP_PIN 24
+#define E0_DIR_PIN 21
+#define E0_ENABLE_PIN 10
+
+/* future proofing */
+#define __FS 20
+#define __FD 19
+#define __GS 18
+#define __GD 13
+
+#define UNUSED_PWM 14 /* PWM on LEFT connector */
+
+#define E1_STEP_PIN -1 // 21
+#define E1_DIR_PIN -1 // 20
+#define E1_ENABLE_PIN -1 // 19
+
+#define E2_STEP_PIN -1 // 21
+#define E2_DIR_PIN -1 // 20
+#define E2_ENABLE_PIN -1 // 18
+
+#define SDPOWER -1
+#define SDSS 11
+#define SDCARDDETECT -1 // 10 optional also used as mode pin
+#define LED_PIN -1
+#define FAN_PIN 14 /* PWM on MIDDLE connector */
+#define PS_ON_PIN -1
+#define KILL_PIN -1
+
+#define HEATER_0_PIN 3 /*DONE PWM on RIGHT connector */
+#define HEATER_1_PIN -1
+#define HEATER_2_PIN -1
+#define HEATER_1_PIN -1
+#define HEATER_2_PIN -1
+#define TEMP_0_PIN 0 // ANALOG INPUT NUMBERING
+#define TEMP_1_PIN 1 // ANALOG
+#define TEMP_2_PIN -1 // 2
+#define HEATER_BED_PIN 4
+#define TEMP_BED_PIN 2 // 1,2 or I2C
+
+#define I2C_SCL 16
+#define I2C_SDA 17
+
+#endif
+
#ifndef KNOWN_BOARD
#error Unknown MOTHERBOARD value in configuration.h