Capacity of Model L52, D52, L53, D53, and S54 Frames

This section gives the type of eligible Capacity On Demand feature and quantity of drives, I/O slots, and storage slots for Model L52, D52, L53, D53, and S54 frames.

Table 1. Quantity of storage slots in Model L52, D52, L53, D53, and S54 frames. The quantity depends on the type of Capacity On Demand Expansion feature installed, whether the upper and lower I/O stations are used, and the quantity of drives in a frame.
Type of Frame	Type of Capacity On Demand (CoD) Feature	Quantity of Drives	Quantity of I/O Slots	Quantity of Storage Slots
L52, L53	No CoD (Entry)	0 to 12	16	64
L52, L53	Intermediate CoD	0 to 12	16	129
L52, L53	Full CoD	0 to 4	16	287
L52, L53	Full CoD	0 to 4	32	245
L52, L53	Full CoD	5 to 8	16	273
L52, L53	Full CoD	5 to 8	32	231
L52, L53	Full CoD	9 to 12	16	261
L52, L53	Full CoD	9 to 12	32	219
D52, D53¹	N/A²	0	0	440
D52, D53¹	N/A²	0	64³	264
D52, D53¹	N/A	1 to 4	0	422
D52, D53¹	N/A	1 to 4	64³	246
D52, D53¹	N/A	5 to 8	0	408
D52, D53¹	N/A	5 to 8	64³	232
D52, D53¹	N/A	9 to 12	0	396
D52, D53¹	N/A	9 to 12	64³	220
S54	No CoD (Base)	0	0	660
S54	HD CoD (Maximum)	0	0	1320
Notes: If the L frame is not an L32, L52, or L53, then the first D frame of a mixed media library will have one less storage slot to accommodate a diagnostic cartridge. N/A = not applicable. The 64 Additional I/O Slots feature (FC 1655) is only available on frame model D53.