Fujitsu MHV2040BH, MHV2100BH Operations, Power Save Controlled by Interface Power Management IPM

Contents

	5.4.5 DMA data-out command protocol			5-152
	5.4.6 Native Command Queuing protocol			5-153
5.5	Power-on and COMRESET			5-156
CHAPTER 6	Operations		.................................................................................	6-1
6.1	Reset and Diagnosis			6-2
	6.1.1	Response to power-on		6-2
	6.1.2	Response to COMRESET		6-4
		6.1.2.1	Software settings preservation	6-5
		6.1.2.2	COMRESET preservation requirements	6-5
	6.1.3 Response to a software reset			6-7
6.2	Power Save			6-8
	6.2.1	Power save mode		6-8
	6.2.2	Power commands		6-10
6.3	Power Save Controlled by Interface Power Management (IPM)			6-11
	6.3.1 Power save mode of the interface			6-11
6.4	Read-ahead Cache			6-13
	6.4.1	Data buffer structure		6-13
	6.4.2	Caching operation		6-14
	6.4.3 Using the read segment buffer			6-16
		6.4.3.1	Miss-hit	6-16
		6.4.3.2	Sequential hit	6-17
		6.4.3.3	Full hit	6-17
		6.4.3.4	Partial hit	6-19
6.5	Write Cache			6-20
	6.5.1	Cache operation		6-20

xiv C141-E224