Format of PCI Configuration Data for Intel 82437FX:
Offset	Size	Description	)
 00h 64 BYTEs	header (see #00878)
		(vendor ID 8086h, device ID 122Dh) (see #00873)
 40h 16 BYTEs	reserved
 50h	BYTE	PCI Control (see #01111)
 51h	BYTE	reserved
 52h	BYTE	cache control (see #01112)
 53h  4 BYTEs	reserved
 57h	BYTE	DRAM Control (see #01116)
 58h	BYTE	DRAM timing (see #01117)
 59h  7 BYTEs	Programmable Attribute Map registers 0-6 (see #01118)
 60h  5 BYTEs	DRAM Row Boundary Registers 0-4
		each register N indicates cumulative amount of memory in rows
		  0-N, in 4M units (each row is 64 bits wide)
 65h  3 BYTEs	reserved
 68h	BYTE	DRAM Row Type (see #01121)
 69h  9 BYTEs	reserved
 72h	BYTE	System Management RAM control (see #01123)
 73h 141 BYTEs	reserved
SeeAlso: #01106,#01108