Bitfields for Intel 82434LX/NX Secondary Cache Control:
Bit(s)	Description	)
 7-6	secondary cache size
	00 none
	01 reserved
	10 256K
	11 512K
 5	SRAM type
	0 standard SRAMs
	1 burst SRAMs
 4	secondary cache allocation
	0 cache only CPU reads of memory with CACHE# asserted
	1 cache all CPU reads of cacheable memory
 3	Cache Byte Control
	0 use single write enable and per-byte select lines
	1 use per-byte write enables on the cache
 2	(NX only) SRAM connectivity
	0 disable CCS[1:0]# / CCS1# functionality
	1 enable CCS[1:0]# functionality to de-select async SRAMs, placing them
	  in a low-power standby mode
	1 enable CCS1# functionality for burst SRAMs, indicating the lack of an
	  external address latch
 1	(LX only) Secondary Cache Write Policy
	0 write-through
	1 write-back (NX is always in write-back mode)
 0	Secondary Cache Enable
SeeAlso: #01055,#01058