Soft-Sectored Format - Siemens Microfloppy FDD100-5 Operating And Maintenance Manual

4.3.2 SOFT SECTOR FORMAT
The controller may record one long record or several small records in this type of format. The Index
pulse starts each track, and a unique record identifier precedes each record. Figure 4·3 shows a
soft-sectored format.
SECTOR SEPARATION DONE BY THE USING SYSTEM
FM RECOMMENDED FORMAT (SINGLE DENSITY)
HEX BYTE
#
OF BYTES
G1
+10"1_
HEX
HEX
00 FB
16 1
UPDATE WRITE
QJ
·USER DATA
CD
GENERATED BY CRC GENERATOR (IBM OR EOUIV)
Figure 4-2. Hard-Sectored Format for Single Density
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