Int 15/AX=D801h

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EISA SYSTEM ROM - READ FUNCTION CONFIGURATION INFORMATION

AX = D801h
CH = function number to read
CL = slot number (including embedded and virtual)
DS:SI -> 320-byte buffer for standard configuration data block

Return:
CF clear if successful AH = 00h DS:SI buffer filled CF set on error AH = error code (80h-83h,86h,87h) (see #00539) BX destroyed

Note: Call with AL=81h if using 32-bit CS addressing mode instead of 16-bit. This function is also supported by the Compaq SystemPro 486, but it uses more than 1297 bytes of stack.

BUG: Some implementations appear to destroy the DF direction flag; the Novell DOS 7+ memory managers explicitly clear it afterwards.

Category: Expansion Bus Bios - Int 15h - E

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