1. Integrated Sector Format IBM Almaden Research Center
Martin Hassner
IBM Almaden Research Center
San Jose, CA 95120
September 19, 2001

2. Integrated Sector ECC Format
September 19, 2001

3. COMPAQ Long Block Format Proposal
8 -Sector 4 kB-Block Physical Alignment
Integral Multiple of 4 kB -Blocks Layout
Logical-to-Physical Translation
September 19, 2001

4. IBM ISF-ECC COMPAQ Long Block Format
Multi-Level C1/C2/C3-Error Correction
– { Low-Overhead Long-Burst Correction
– { Low-SNR OTF-Correction
– { Read-Modify-Write (RMW) Optional
MOST Data is LONG -Burst/ LOW -SNR Protected
Implementation Path: MOST g ALL
September 19, 2001

5. Integrated Sector Format
m r m r m r m r r m r m r m r m r r r
a c b
September 19, 2001

6. MULTI-LEVEL ENCODER ALGORITHM
September 19, 2001

7. MULTI-LEVEL DECODER ALGORITHM
September 19, 2001