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diff --git a/libmaple/board_maple.h b/libmaple/board_maple.h
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+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Bryan Newbold.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+// Board-specific settings file, included from libmaple.h based on the BOARD
+// environment variable.
+
+// See ../notes/portability.txt for more information
+
+#ifndef _BOARD_MAPLE_H_
+#define _BOARD_MAPLE_H_
+
+// ------------------------------------------------------------------------
+// Some settings probably need to be changed for every board
+
+// Number of GPIO ports (GPIOA, GPIOB, etc), definately used
+#define NR_GPIO_PORTS             4
+
+// Number of timer devices ports, definately used
+#define NR_TIMERS                 4
+
+// Total number of GPIO pins
+#define NR_MAPLE_PINS             39
+
+// Number of ADC pins. Not actually used?
+#define NR_ANALOG_PINS            29
+
+// USB Identifier numbers
+// Descriptor strings must be modified by hand in usb/descriptors.c for now
+#define VCOM_ID_VENDOR    0x1EAF
+#define VCOM_ID_PRODUCT   0x0004
+#define USB_CONFIG_MAX_POWER      (100 >> 1)
+#define RESET_DELAY               (100)
+
+// Where to put usercode (based on space reserved for bootloader)
+#define USER_ADDR_ROM 0x08005000
+#define USER_ADDR_RAM 0x20000C00
+#define STACK_TOP     0x20000800
+
+// Debug port settings (from ASSERT)
+#define ERROR_LED_PORT         GPIOA_BASE
+#define ERROR_LED_PIN          5
+#define ERROR_USART_NUM        2
+#define ERROR_USART_BAUD       9600
+#define ERROR_TX_PIN           2
+#define ERROR_TX_PORT          GPIOA_BASE
+
+// ------------------------------------------------------------------------
+// Some settings are probably stable across the entire STM32 line
+
+// Just in case, most boards have at least some memory
+#ifndef RAMSIZE
+#  define RAMSIZE             (caddr_t)0x50000
+#endif
+
+#define BITBAND_SRAM_REF   0x20000000
+#define BITBAND_SRAM_BASE  0x22000000
+#define BITBAND_PERI_REF   0x40000000
+#define BITBAND_PERI_BASE  0x42000000
+
+#endif
+