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X68k/FD Format

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This is a sub-page of X68k.

Dual-sided disk

FAT ID MB PDA Bytes/Sector Sectors/Track Cylinders FAT Sectors DIR Sectors Reserved Sectors Total Sectors Capacity Free space
2HD FE FE 90 1024 8 77 2×2 6 1 1232 1232 1221
2HDA FE ** ** 1024 8 80 2×2 6 1 1280 1280 1269
2HDE F8 EC ** 1024 9 80 3×2 6 1 1440 1440 1427
2HC F9 FD 90 512 15 80 7×2 14 1 2400 1200 1185
2HCE F8 ** ** 512 18 80 9×2 14 1 2880 1440 1423
2HQ F0 FA 70 512 18 80 9×2 14 1 2880 1440 1423
2HQ16 Unknown Unknown Unknown 512 20 80 10*2 14 1 3200 1600 1582
2HS FB EB ** 1024 9 80 3×1 6 1 1440 1440 1430
2HT FA EA ** ---- ---- 80 3×1 5 1 ---- 1599 1590
2DD FB FB 10 512 8 80 2×2 7 1 1280 640 634
2DD F9 FC 30 512 9 80 3×2 7 1 1440 720 713
2DD E0 E0 ** 512 10 80 3×2 7 1 1600 800 793
2D FF E8 ** 512 8 40 1×2 7 1 640 320 315
2D FD E6 ** 512 9 40 2×2 7 1 720 360 354
2ED F0 ** ** 512 36 80 9×2 15 1 5760 2880 2863

Single-sided disk

FAT ID MB PDA Bytes/Sector Sectors/Track Cylinders FAT Sectors DIR Sectors Reserved Sectors Total Sectors Capacity Free space
1DD FA EF ** 512 8 80 1×2 7 １ 640 320 315
1DD F8 EE ** 512 9 80 2×2 7 １ 720 360 354
1D FE E7 ** 512 8 40 1×2 4 １ 320 160 156
1D FC E5 ** 512 9 40 2×2 4 １ 360 180 175
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