Compaq E500S, V300 manual Mfm, Fci, Bpi

Table 6-12 Continued

	1.68 MB	1.44 MB	1.2 MB	1.2 MB	720 KB
	DMF
Magnetic tracks	80	80	77	80	80
surface
Optical servo	N/A	N/A	N/A	N/A	N/A
tracks/surface
Sectors/track	21	18	8	15	9
Sector interleave	2:1	1:1	1:1	1:1	1:1
Spare sectors	0	0	0	0	0
Zones (each side)	1	1	1	1	1
Average	70 ms	70 ms	70 ms	70 ms	70 ms
random seek
Track-to-track	25 ms	25 ms	25 ms	25 ms	25 ms
seek
Max single seek	170 ms	170 ms	170 ms	170 ms	170 ms
Average latency	41.67 ms	41.67 ms	41.67 ms	41.67 ms	41.67 ms
Motor RPM	720±	720±	720±	720±	720±
	0.5%	0.5%	0.5%	0.5%	0.5%
Motor start time	800 ms	800 ms	800 ms	800 ms	800 ms
Track density	135 TPI	135 TPI	135 TPI	135 TPI	135 TPI
Track width	125 µm	125 µm	125 µm	125 µm	125 µm
Encoding method	MFM	MFM	MFM	MFM	MFM
Max flux density	17,334	17,334	17,334	17,334	17,334
	FCI	FCI	FCI	FCI	FCI
Recording density	17,334	17,334	17,334	17,334	17,334
	BPI	BPI	BPI	BPI	BPI
Nominal transfer	150	150	125	125	75
rate	KB/sec	KB/sec	KB/sec	KB/sec	KB/sec
Nominal sustained	65	55	49	46	28
transfer rate	KB/sec	KB/sec	KB/sec	KB/sec	KB/sec
across interface	read	read	read	read	read
	32	28	25	23	14
	KB/sec	KB/sec	KB/sec	KB/sec	KB/sec
	write	write	write	write	write
Buffer transfer rate	4.0	4.0	4.0	4.0	4.0
	MB/sec	MB/sec	MB/sec	MB/sec	MB/sec

Specifications 6-9