/dev/sda:

ATA device, with non-removable media
Standards:
	Likely used: 1
Configuration:
	Logical		max	current
	cylinders	0	0
	heads		0	0
	sectors/track	0	0
	--
	Logical/Physical Sector size:           512 bytes
	device size with M = 1024*1024:           0 MBytes
	device size with M = 1000*1000:           0 MBytes 
	cache/buffer size  = unknown
Capabilities:
	IORDY not likely
	Cannot perform double-word IO
	R/W multiple sector transfer: not supported
	DMA: not supported
	PIO: pio0