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diff --git a/private/ntos/ndis/sonic/i386/sonicdet.h b/private/ntos/ndis/sonic/i386/sonicdet.h
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+++ b/private/ntos/ndis/sonic/i386/sonicdet.h
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+/*++
+
+Copyright (c) 1990-1992  Microsoft Corporation
+
+Module Name:
+
+    sonicdet.h
+
+Abstract:
+
+    This file has processor-specific definitions.
+
+    The overall structure is taken from the Lance driver
+    by Tony Ercolano.
+
+Author:
+
+    Anthony V. Ercolano (tonye) creation-date 19-Jun-1990
+    Adam Barr (adamba) 5-Nov-1991
+
+Environment:
+
+    This driver is expected at the equivalent of kernel mode.
+
+    Architecturally, there is an assumption in this driver that we are
+    on a little endian machine.
+
+Revision History:
+
+
+--*/
+
+
+//
+// Handy macros to read out of sonic ports.
+//
+// Because the use of PortShift makes the code more complicated,
+// we make some assumptions about when it is needed. On x86, we
+// only support the EISA card; on MIPS, we only support the
+// internal version unless MIPS_EISA_SONIC is defined.
+//
+// We define two constants, SONIC_EISA and SONIC_INTERNAL, if
+// that particular adapter type is supported by this driver.
+// This is to prevent unneeded code from being compiled in.
+//
+
+
+//
+// x86, only the EISA card is supported, the registers are always 16 bits.
+//
+
+#define SONIC_WRITE_PORT(_Adapter, _Port, _Value) \
+    NdisRawWritePortUshort((_Adapter)->SonicPortAddress + (_Port * 2), (USHORT)(_Value))
+
+#define SONIC_READ_PORT(_Adapter, _Port, _Value) \
+    NdisRawReadPortUshort((_Adapter)->SonicPortAddress + (_Port * 2), (PUSHORT)(_Value))
+
+
+#define SONIC_EISA
+#undef SONIC_INTERNAL
+#undef MIPS_EISA_SONIC  // just in case it is defined
+
+
+//
+// The default adapter type is EISA
+//
+
+#define SONIC_ADAPTER_TYPE_DEFAULT  SONIC_ADAPTER_TYPE_EISA