3350 Reference

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3350 Direct Access Storage
Capacity
	 	 	 	 	 	 	 	 
	Tracks per Cylinder	30
	Cylinders per Drive	555	(plus 5 alternates)	 	 
	Track Capacity	 		19,069	(plus 150 alternates)
	Cylinder Capacity	572,070	 	 
	Drive Capacity		317,498,850
	Records per Track Calculations
	 		 
	     19,254		(bytes per track)
	-------------------- 
	KL + DL + C		(bytes per record)	 
	 		 
	Where:		 
	 KL   =	key length		 
	 DL   =	data length		 
	 C    = overhead per record		 
	 	185 if KL = 0		 
	 	267 if KL not 0	 	 
				Capacity Table
                  Bytes per Record	     Number of Records
	Without Keys	 	With Keys	Per	Per	Per
	Min	Max	 	Min	Max	Track	Cylinder	Drive
	9443	19069		9361	18987	1	30	16650
	6234	9442		6152	9360	2	60	33300
	4629	6233		4547	6151	3	90	49950
	3666	4628		3584	4546	4	120	66600
	3025	3665		2943	3583	5	150	83250
	2566	3024		2484	2942	6	180	99900
	2222	2565		2140	2483	7	210	116550
	1955	2221		1873	2139	8	240	133200
	1741	1954		1659	1872	9	270	149850
	1566	1740		1484	1658	10	300	166500
	1420	1565		1338	1483	11	330	183150
	1297	1419		1215	1337	12	360	199800
	1191	1296		1109	1214	13	390	216450
	1099	1190		1017	1108	14	420	233100
	1019	1098		937	1016	15	450	249750
	948	1018		866	936	16	480	266400
	885	947		803	865	17	510	283050
	829	884		747	802	18	540	299700
	778	828		696	746	19	570	316350
	732	777		650	695	20	600	333000
	691	731		609	649	21	630	349650
	653	690		571	608	22	660	366300
	618	652		536	570	23	690	382950
	586	617		504	535	24	720	399600
	556	585		474	503	25	750	416250
	529	555		447	473	26	780	432900
	503	528		421	446	27	810	449550
	479	502		397	420	28	840	466200
	457	478		375	396	29	870	482850
	437	456		355	374	30	900	499500
	417	436		335	354	31	930	516150
	399	416		317	334	32	960	532800
	382	398		300	316	33	990	549450
	366	381		284	299	34	1020	566100
	350	365		268	283	35	1050	582750
	336	349		254	267	36	1080	599400
	322	335		240	253	37	1110	616050
	309	321		227	239	38	1140	632700
	297	308		215	226	39	1170	649350
	285	296		203	214	40	1200	666000
	274	284		192	202	41	1230	682650
	263	273		181	191	42	1260	699300
	253	262		171	180	43	1290	715950
	243	252		161	170	44	1320	732600
	234	242		152	160	45	1350	749250
	225	233		143	151	46	1380	765900
	217	224		135	142	47	1410	782550
	208	216		126	134	48	1440	799200
	201	207		119	125	49	1470	815850
	193	200		111	118	50	1500	832500
	186	192		104	110	51	1530	849150
	179	185		97	103	52	1560	865800
	172	178		90	96	53	1590	882450
	166	171		84	89	54	1620	899100
	159	165		77	83	55	1650	915750
	153	158		71	76	56	1680	932400
	147	152		65	70	57	1710	949050
	142	146		60	64	58	1740	965700
	136	141		54	59	59	1770	982350
	131	135		49	53	60	1800	999000
	126	130		44	48	61	1830	1015650
	121	125		39	43	62	1860	1032300
	116	120		34	38	63	1890	1048950
	112	115		30	33	64	1920	1065600
	107	111		25	29	65	1950	1082250
	103	106		21	24	66	1980	1098900
	99	102		17	20	67	2010	1115550
	95	98		13	16	68	2040	1132200
	91	94		9	12	69	2070	1148850
	87	90		5	8	70	2100	1165500
	83	86		4	4	71	2130	1182150
	79	82		 	 	72	2160	1198800
	76	78		 	 	73	2190	1215450
	72	75		 	 	74	2220	1232100
	69	71		 	 	75	2250	1248750
	66	68		 	 	76	2280	1265400
	62	65		 	 	77	2310	1282050
	59	61		 	 	78	2340	1298700
	56	58		 	 	79	2370	1315350
	53	55		 	 	80	2400	1332000
	50	52		 	 	81	2430	1348650
	47	49		 	 	82	2460	1365300
	45	46		 	 	83	2490	1381950
	42	44		 	 	84	2520	1398600
	39	41		 	 	85	2550	1415250
	37	38		 	 	86	2580	1431900
	34	36		 	 	87	2610	1448550
	32	33		 	 	88	2640	1465200
	29	31		 	 	89	2670	1481850
	27	28		 	 	90	2700	1498500
	25	26		 	 	91	2730	1515150
	23	24		 	 	92	2760	1531800
	20	22		 	 	93	2790	1548450
	18	19		 	 	94	2820	1565100
	16	17		 	 	95	2850	1581750
	14	15		 	 	96	2880	1598400
	12	13		 	 	97	2910	1615050
	10	11		 	 	98	2940	1631700
	8	9		 	 	99	2970	1648350
	6	7		 	 	100	3000	1665000
	4	5		 	 	101	3030	1681650
	2	3		 	 	102	3060	1698300
	1	1	 	 	 	103	3090	1714950

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Last updated: February 24, 2002.