NCR S26 manual Type Cylinders Heads Sectors Per Track

Hard Disk Drive Types

Type	Cylinders	Heads	Sectors Per Track
79	1001	15	32
80	1024	16	63
81	1024	10	17
82	1024	11	17
83	1024	15	17
84	776	8	33
85	926	13	17
86	805	4	26
87	976	5	17
88	745	4	28
89	747	2	28
90	782	2	1Bh
91	985	13	32
92	816	15	32
93	968	5	17
94	903	8	46
95	966	5	34
96	535	10	50
97	715	10	50
98~100	(reserved)
Auto or User	(User-defined)

4-34 Using the BIOS Setup Utility