Siemens Microfloppy FDD100-5 Operating And Maintenance Manual page 43

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REPEATED FOR EACH RECORD
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DATA FIELD
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G3 : G4A ---' G2
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CRC IWG OFFI
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128 2 1
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ID FIELD •
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HEX BYTE
NO. OF BYTES
PHYSICAL INDEX
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f"
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BINARY BYTE
UPDATE WRITE
CD -
TRACK ADDRESS, ZEROES; SECTOR ADDRESS, ZEROES.
(3) -
GENERATED BY CRC GENERATOR (IBM OR EQUIVALENT).
@ -
FB FOR DATA FIELD, OR F8 FOR DELETED DATA FIELD.
o -
USER DATA.
Figure 4-3. Soft-Sectored Format (128 Bytes/Sector, 16 Sectors)