Format of DEC 21052 PCI-PCI bridge PCI configuration data:
Offset	Size	Description	)
 00h 64 BYTEs	header, type 1 (see #00878)
		(vendor ID 1011h, device ID 0021h)
 40h	BYTE	chip control
 41h	BYTE	diagnostic control
 42h	BYTE	burst counter
 43h	BYTE	SErr disable
 44h	BYTE	primary target wait timer
 45h	BYTE	secondary target wait timer
 46h  2 BYTEs	reserved
 48h	DWORD	count of secondary write attempts
 4Ch	DWORD	count of primary write attempts
 50h 44 DWORDs	reserved
!!!digital\21052ds.pdf p.117
SeeAlso: #00742