;========================================================================== ; DPB-8.LIB ; This file contains Non-conflicting 8" Diskette formats for use in Auto- ; selecting disks during the logon sequence. The hardware MUST support the ; use of 8" (or so-called "Hi-Density") formats with the higher 500 kbps ; clock speeds with the exception of the IBM 3740 Single-Density format. ; Some computers such as the YASBEC and AMPRO Little Boards cannot operate ; at the 500 kbps rates and this file should not be included. ; See DPB.LIB for definitions of Format Type Bytes. ;..... ; IBM 3740 8-inch Single Density Disk Format DEFB 'IBM 3740 ',' '+80H ; Id - 10 bytes DEFB DSK8+SS+SD ; Format type byte 0 DEFB SPEED8+SEC128+ALC1K ; Format type byte 1 DEFB 6 ; Skew factor DEFB 1 ; Starting sector number DEFB 26 ; Physical sectors per track DEFB 77 ; Physical tracks/side DEFW 26 ; Sectors per track DEFB 3 ; Block shift factor DEFB 7 ; Block mask DEFB 0 ; Extent mask DEFW 242 ; Disk size-1 DEFW 63 ; Directory max DEFB 0C0H, 0 ; Alloc 0,1 DEFW 16 ; Check size DEFW 2 ; Track offset IF NOT CALCSK ; NOTE: Sectors are Physical size, Not 128 Byte Record Size ; 00 01 02 03 04 05 06 07 ; Logical Sector DEFB 01,07,13,19,25,05,11,17 ; Physical sector ; 08 09 10 11 12 13 14 15 ; Logical Sector DEFB 23,03,09,15,21,02,08,14 ; Physical sector ; 16 17 18 19 20 21 22 23 ; Logical Sector DEFB 20,26,06,12,18,24,04,10 ; Physical sector ; 24 25 ; Logical Sector DEFB 16,22 ; Physical sector ENDIF ;..... ; Bower 8" 1k-sctrs, SS/DD DEFB 'Bower 1kS','S'+80H ; Id - 10 bytes DEFB DSK8+SS+DD ; Format type byte 0 DEFB SPEED8+SEC1K+ALC2K ; Format type byte 1 DEFB -2 ; Skew factor DEFB 1 ; Starting sector number DEFB 9 ; Physical sectors per track DEFB 77 ; Physical tracks/side DEFW 72 ; Sectors per track DEFB 4 ; Block shift factor DEFB 15 ; Block mask DEFB 0 ; Extent mask DEFW 336 ; Disk size-1 DEFW 255 ; Directory max DEFB 0F0H, 0 ; Alloc 0,1 DEFW 64 ; Check size DEFW 2 ; Track offset IF NOT CALCSK ; NOTE: Sectors are Physical size, Not 128 Byte Record Size ; 00 01 02 03 04 05 06 07 ; Logical Sector DEFB 01,02,03,04,05,06,07,08 ; Physical sector ; 08 09 10 11 12 13 14 15 ; Logical Sector DEFB 09,00,00,00,00,00,00,00 ; Physical sector ; 16 17 18 19 20 21 22 23 ; Logical Sector DEFB 00,00,00,00,00,00,00,00 ; Physical sector ; 24 25 ; Logical Sector DEFB 00,00 ; Physical sector ENDIF ;..... ; Bower 1024-byte sctrs, DS/DD DEFB 'Bower DSD','D'+80H ; Id - 10 bytes DEFB DSK8+TSBTL+DD ; Format type byte 0 DEFB SPEED8+SEC1K+ALC2K ; Format type byte 1 DEFB -2 ; Skew factor DEFB 17 ; Starting sector number DEFB 9 ; Physical sectors per track DEFB 77 ; Physical tracks/side DEFW 72 ; Sectors per track DEFB 4 ; Block shift factor DEFB 15 ; Block mask DEFB 0 ; Extent mask DEFW 683 ; Disk size-1 DEFW 255 ; Directory max DEFB 0F0H, 0 ; Alloc 0,1 DEFW 64 ; Check size DEFW 2 ; Track offset IF NOT CALCSK ; NOTE: Sectors are Physical size, Not 128 Byte Record Size ; 00 01 02 03 04 05 06 07 ; Logical Sector DEFB 17,18,19,20,21,22,23,24 ; Physical sector ; 08 09 10 11 12 13 14 15 ; Logical Sector DEFB 25,00,00,00,00,00,00,00 ; Physical sector ; 16 17 18 19 20 21 22 23 ; Logical Sector DEFB 00,00,00,00,00,00,00,00 ; Physical sector ; 24 25 ; Logical Sector DEFB 00,00 ; Physical sector ENDIF ;======================= End of DPB-8.LIB ===========================