Disk Drive Capacities - HP C2233 Product Description Manual

Disk Drive Capacities
Formatted capacities are given in parentheses and are
calculated using a 512-byte sector. When other sector sizes
are used, formatted capacities will change (refer to note 1).
HP
C2233
HP
C2234
HP
C2235
Data Surfaces: 5 7 9
Tracks per Surface:'
• Inside Zone
512 (509) 512 (509) 512 (509)
• Middle Zone
414 (411) 414 (411) 414 (411)
• Outer Zone
594 (591) 594 (591) 594 (591)
Sectors per track:
• Inside Zone
49 (48) 49 (48) 49 (48)
• Middle Zone
61 (60)
61 (60)
61 (60)
• Outer Zone
73 (72) 73 (72) 73 (72)
Data Bytes Per . 588 (512) 588 (512) 588 (512)
Sector (bytes):
Data Bytes Per
Track (bytes):
• Inside Zone
28,812 (24,576) 28,812 (24,576) 28,812 (24,576)
• Middle Zone
35,868 (30,720) 35,868 (30,720) 35,868 (30,720)
• Outer Zone
42,924 (36,864) 42,924 (36,864) 42,924 (36,864)
Data Bytes Per 55,097,952 55,097,952 55,097,952
Surface (bytes): (46,921,728) (46,921,728) (46,921,728)
Data Bytes Per 275,489,760 385,685,664 495,881,568
Drive (bytes): (234,608,640) (328,452,096) (422,295,552)
Notes:
1.
Unformatted capacities include one maintenance track each in the inside and outside zones, nine spare
tracks (three per zone) and spare sectors (one per track). In addition, 76 bytes are reserved in each
sector for other drive functions.
2. There are 1536 total cylinders per drive, allocated as follows: A. Data Cylinders - 1511; B. Alignment
Cylinders - 14; C. Spare Cylinders - 9; D. Maintenance Cylinders - 2 (one each in the 10 and 00 zones).
1-6 Product Specifications DRAFT
10/24/90 10:54