INT 1A - PCMCIA Socket Services v1.00 - READ ERROR DETECTION CODE               
	AH = 9Ch
	AL = adapter number
	BH = EDC generator
Return: CF clear if successful
	    AH destroyed
	    DL/DX = computed checksum or CRC
	CF set on error
	    AH = error code (01h,04h) (see #00656)
SeeAlso: AH=95h,AH=96h,AH=98h,AH=99h,AH=9Bh