MFM Hard disks ============== Seagate MODEL FORMAT R/W Data Step AveAcc Sect Auto Watts Im Write MBytes HEADS Cyl us ms /Trk Park Max A Comp ----------------------------------------------------------------------------- ST1100 83.0 9 1072 6-200 15 17 YES 12.0 2.7 N/A ST124 21.4 4 615 3-200 40 17 NO 33.0 2.9 N/A ST125 21.4 4 615 3-200 28 17 YES 28.0 2.0 N/A ST125-0 21.4 4 615 3-200 40 17 YES 28.0 2.0 N/A ST125-1 21.4 4 615 3-200 28 17 YES 28.0 2.0 N/A ST138 32.1 6 615 3-200 28 17 YES 28.0 2.0 N/A ST138-0 32.1 6 615 3-200 40 17 YES 28.0 2.0 N/A ST138-1 32.1 6 615 3-200 28 17 YES 28.0 2.0 N/A ST151 42.5 5 977 3-20 24 17 YES 27.0 2.0 N/A ST212 10.0 4 306 5-500 65 17 NO 44.4 4.2 N/A ST213 10.7 2 615 5-200 65 17 NO 30.4 2.2 300 ST225 21.4 4 615 5-200 65 17 NO 33.0 2.4 300 ST251 42.8 6 820 3-200 40 17 YES 36.0 2.0 N/A ST251-0 42.8 6 820 3-200 40 17 YES 29.0 2.0 N/A ST251-1 42.8 6 820 3-200 28 17 YES 36.0 2.5 N/A ST252-0 42.8 6 820 3-200 40 17 YES 29.0 2.0 N/A ST252-1 42.8 6 820 3-200 28 17 YES 36.0 2.5 N/A ST253 43.0 5 989 8-200 28 17 YES 45.0 4.5 N/A ST412 10.0 4 306 5-500 85 17 NO 50.0 3.5 128 ST419 15.0 6 306 5-500 85 32 NO 50.0 3.5 128 ST4026 21.4 4 615 25-50 40 17 YES 55.0 4.0 N/A ST4038 31.9 5 733 10-70 40 17 YES 56.0 4.0 300 ST4038M 31.9 5 733 10-70 40 17 YES 56.0 4.0 N/A ST4051 42.5 5 977 10-70 40 17 YES 55.0 4.0 N/A ST4053 44.5 5 1024 3-70 28 17 YES 55.0 4.0 N/A ST406 5.0 2 306 5-500 85 17 NO 50.0 3.6 128 ST4085 71.0 8 1024 8-200 28 17 YES 61.0 5.8 N/A ST4086 72.0 9 925 8-200 28 17 YES 61.0 5.8 N/A ST4096 80.2 9 1024 3-70 28 17 YES 55.0 5.3 N/A ST4097 80.0 9 1024 8-200 28 17 YES 61.0 4.5 N/A ST506 5.0 4 153 3 Only 85 17 NO 47.0 3.5 128 ----------------------------------------------------------------------------- RLL Hard disks ============== Seagate MODEL FORMAT R/W Data Step AveAcc Sect Auto Watts Im Write MBytes HEADS Cyl us ms /Trk Park A Comp ----------------------------------------------------------------------------- ST1106R 91.0 7 977 24 26 YES 12.0 2.5 N/A ST1150R 128.0 9 1072 6-200 15 26 YES 12.0 3.2 300 ST138R 32.7 4 615 3-200 28 26 YES 28.0 2.8 N/A ST157R-0 49.1 6 615 3-200 40 26 YES 28.0 2.8 N/A ST157R-1 49.1 6 615 3-200 28 26 YES 28.0 2.8 N/A ST225R 21.2 2 667 5-200 70 31 NO 33.0 3.2 N/A ST238R 32.7 4 615 5-200 65 26 NO 33.8 3.2 N/A ST250R 42.3 4 667 5-200 70 31 NO 33.0 3.2 N/A ST251R 43.6 4 820 3-200 40 N/A ST277R-0 65.5 6 820 3-200 40 26 YES 29.0 3.0 N/A ST277R-1 65.5 6 820 3-200 28 26 YES 36.0 3.7 N/A ST278R-0 65.5 6 820 3-200 40 26 YES 29.0 3.0 N/A ST278R-1 65.5 6 820 3-200 28 26 YES 36.0 3.7 N/A ST279R 65.0 5 989 8-200 28 26 YES 40.0 5.5 128 ST4077R 68.2 5 1024 3-70 28 26 YES N/A ST4135R 115.0 9 960 8-200 28 26 YES 61.0 5.8 N/A ST4144R 122.7 9 1024 3-70 28 26 YES 55.5 5.3 N/A ----------------------------------------------------------------------------- SCSI Hard disks ============== Seagate MODEL FORMAT R/W Data Step AveAcc Sect Auto Watts Im Write MBytes HEADS Cyl us ms /DRV Park A Comp ----------------------------------------------------------------------------- ST1090N ST1096N ST1111N ST11200N ST1126N ST1133N ST1156N ST1162N ST1186N ST1201N ST1239N ST125N ST138N 32 28 63139 12.0 ST1400N ST1401N ST1480N ST1481N ST157N 48 28 95015 12.0 ST1581N ST177N ST1980N ST2106N ST2125N ST2209N ST225N 21.4 4 65 41720 NO 16.8 2.2 ST2383N ST2502N ST251N 43.1 4 40 84254 13.0 2.0 ST277N 64.9 6 40 126790 13.0 2.0 ST296N ST3283N ST4077N 67.6 5 28 25.5 4.0 ST4096N 83.9 4 17 25.5 4.0 ST41200N ST4144N 122.1 9 28 25.5 4.0 ST41600N ST41601N ST41650N ST41651N ST4182N ST4192N 168.5 8 17 25.5 4.0 ST42100N ST42101N ST4350N ST4376N ST4385N ST4702N ST4766N ST4767N ----------------------------------------------------------------------------- ESDI Hard disks ============== Seagate MODEL FORMAT R/W Data Step AveAcc Sect Auto Watts Im Write MBytes HEADS Cyl us ms /DRV Park A Comp ----------------------------------------------------------------------------- ST1111E ST1156E ST1201E ST2106E ST2182E ST2383E ST4182E ST4383E ST4384E ST4442E ST4766E ST4767E ST4769E ----------------------------------------------------------------------------- ATBUS Hard disks ================ Seagate MODEL FORMAT R/W Data Step AveAcc Sect Auto Watts Im Write MBytes HEADS Cyl us ms /DRV Park A Comp ----------------------------------------------------------------------------- ST1057A ST1090A ST1102A ST1111A ST1126A ST1133A ST1144A ST1156A ST1162A ST1186A ST1201A ST1239A ST125A ST138A ST1400A ST1401A ST1480A ST157A ST2274A ST2383A ST274A ST280A ST3051A ST3096A ST3120A ST3144A ST325AX ST3283A ST351AX ST9051A ST9077A ST9096A ST9144A ----------------------------------------------------------------------------- Miniscribe Drive Specifications ------------------------------------------------------------------------ Model Form Capacity Access Cyls Hds Sect/Trk Precomp Park Cyl ------------------------------------------------------------------------ 1006 5F 5.3 179 306 2 17 128 336 1012 5F 10.6 179 306 4 17 128 336 2006 5F 5.3 93 306 2 17 128 336 2012 5F 10.6 85 306 4 17 128 336 3012 5H 10.6 155 612 2 17 128 656 3053 5H 44.5 25 1024 5 17 512 AUTO 3085 5H 71.2 22 1170 7 17 512 AUTO 3130E 5H 112.0 17 1250 5 35 N/A AUTO 3180E 5H 156.8 17 1250 7 35 N/A AUTO 3180S 5H 161.9 17 1255 7 36 N/A AUTO 3212 5H 10.6 85 612 2 17 128 656 3412 5H 10.6 60 306 4 17 128 336 3425 5H 21.4 85 615 4 17 128 656 3425P 5H 21.4 53 615 4 17 128 656 3438 5H 32.7 85 615 4 26 128 656 3438P 5H 32.7 53 615 4 26 128 656 3650 5H 42.2 61 809 6 17 128 852 3650R 5H 64.6 61 809 6 26 128 852 3675 5H 64.6 61 809 6 26 128 852 4010 5F 8.3 133 480 2 17 128 522 4020 5F 16.7 133 480 4 17 128 522 6032 5F 26.7 28 1024 3 17 512 AUTO 6053 5F 44.5 28 1024 5 17 512 AUTO 6079 5F 68.1 28 1024 5 26 512 AUTO 6085 5F 71.3 28 1024 8 17 512 AUTO 6128 5F 109.0 28 1024 8 26 512 AUTO 7040A 3O 42.7 19 981 5 17 N/A AUTO 7080A 3O 85.4 19 981 10 17 N/A AUTO 8051A 3H 42.7 28 745 4 28 N/A AUTO 8051S 3H 42.7 28 745 4 28 N/A AUTO 8212 3H 10.7 68 615 2 17 128 656 8225 3H 20.5 45 771 2 26 128 810 8225A 3H 21.4 40 615 4 17 N/A 810 8225XT 3H 21.4 68 805 2 26 N/A 820 8412 3H 10.6 50 306 4 17 128 336 8425 3H 21.4 68 615 4 17 128 664 8425F 3H 21.4 40 615 4 17 128 664 8425S 3H 21.4 68 615 4 17 N/A 664 8425XT 3H 21.4 68 615 4 17 N/A 664 8438 3H 32.7 68 615 4 26 128 664 8438F 3H 32.7 40 615 4 26 128 664 8450 3H 41.0 45 771 4 26 128 810 8450A 3H 42.7 40 745 4 28 N/A 810 8450XT 3H 42.8 68 805 4 26 N/A 820 9380E 5F 329.0 16 1224 15 35 N/A AUTO 9380S 5F 336.7 16 1218 15 36 N/A AUTO 9780E 5F 676.0 17 1661 15 53 N/A AUTO ------------------------------------ Code Legend E = ESDI Interface S = SCSI Interface A = Integrated AT Controller XT = Integrated PC/XT Controller 5 = 5.25 inch disks 3 = 3.50 inch disks F = Full Height H = Half Height O = One Inch High N/A= Not Applicable - ignored by drive NOTE: In the case of AT drives the characteristics in this table are translated installation characteristics that do not necessarily reflect the physical characteristics of the drive. IDE Hard disks ============== Conner PHYSICAL FORMAT (NATIVE MODE) Drive type for Bios ------------------------------ /--------------------\ MODEL FORMAT R/W Data Sect Drv Cyl Hds Sect MBytes HEADS Cyl Type ENC INTER ----------------------------------------------------------------------------- CP2024 21 2 653 RLL IDE CP3000 42.6 2 1045 40 17 977 5 17 CP3020 20 2 636 33 RLL SCSI CP3024/20 21 2 636 33 17 615 4 17 RLL IDE CP3040 40 2 1047 RLL SCSI CP3044 42 2 1047 17 MFM IDE CP3044/20 42.9 2 1024/26 40 - 977 5 17 CP30064/160 60 4 761 39 - 761 4 39 CP30084/80 84.1 4 1053 39 - 832 6 33 CP30100 120 4 1522 RLL SCSI CP30104/00 120 4 1522 39 - 761 8 39 RLL IDE CP3100 100 8 776 33 RLL SCSI CP3104/00 104 8 776 33 - 776 8 33 RLL IDE CP3114 112 8 832 33 - 832 8 33 RLL IDE CP3180 80 6 832 UNK SCSI CP3184/80 84.2 6 832 33 - 832 6 33 RLL IDE CP3200 209 8 1209 39 RLL SCSI CP3200F 212 8 1366 38 RLL SCSI CP3204F/00F 212 8 1366 38 - 683 16 38 RLL IDE CP340 42 4 788 26 RLL SCSI CP342 40.0 4 2 CP344 42 4 805 RLL IDE CP3504 510 12 1695 49 - 1024 16 61 CP4024 21 2 627 RLL IDE CP4044 42 2 1104 RLL IDE ----------------------------------------------------------------------------- VAX Hard disks ============== Digital rev/min Total Clust Sect Trk Max Total FORMAT UNFORM Ave trk Bytes hds trks Rot Ave Ave Cyl Size Trk Cyl File Blocks MBytes MBytes seek trk Sectr Surf Spd access Rot-Lat ------------------------------------------------------------------------------------------------------------------ RZ22 33 52 25 512 33.4 8.3 RZ23 33 104 25 512 33.4 8.3 RZ24 38 209 16 512 24.3 8.3 RZ55 36 332 380 16 512 24.3 8.3 RZ56 54 665 760 16 512 24.3 8.3 RZ57 71 1GB 1.2GB 14.5 512 22.8 8.3 RA60 42 205 41.7 512 1600 3600 50ms 8.3 REMOVABLE RA70 33+1 280 350 19.5 512 11+1 1507 4000 27.0ms 7.5 RA80 RA81 1248 3 51 14 152083 891072 440 RA82 1423 3 57 15 152083 1216665 622 855 24 6 512 15 3600 32.3 8.3 RA90 69+1 1.2GB 1.6GB 16ms 5.5ms 512 13 3600 8.3ms RA92 1.5GB 2.0GB 18.5 RF30 37+1 150 200 21 3.0 512 1331 3600 29.3 8.3 RF31 381 499 15.3 23.6 RF71 400 532 21 RF72 50+1 1.0GB 1.4GB 13.3 512 1861 21.7 8.3 ------------------------------------------------------------------------------------------------------------------ DEC HARD DISK EQUIVILENTS ========================= RD31 ST225 20MB RD32 ST241 42MB RD50 ST506 RD51 ST412 RD52 Q540 RD53 1325 71MB RD54 159MB General Disk Information ======================== --Sector location ranges(DOS 3.xx)-- Disk Disk Sectrs Media CLust Boot FAT-1 FAT-2 Root Data Area Size Type perTrk Dscrpt Size ------------------------------------ ------------------------------------------------------------------------- 10M HARD 17 F8 4096 0 1-8 9-16 17-48 49-20720 20M HARD 17 F8 2048~ 0 1-40 41-80 81-112 113-40457 21M HARD 17 F8 2048~ 0 1-41 42-82 83-114 115-41666 30M HARD 17 F8 2048~ 0 1-60 61-120 121-152 153-60157 31M HARD 17 F8 2048~ 0 1-61 62-122 123-154 155-62202 32M HARD 17 F8 2048~ 0 1-63 64-126 127-158 159-63856 33M HARD 17 F8 2048~ 0 1-64 65-128 129-160 161-65516 60M HARD 17 F8 2048~ 0 1-118 119-236 237-268 269-120596 ------------------------------------------------------------------------- Cluster size=8192 if done under DOS 2.xx FOR XT CONTROLLERS ================== A:>DEBUG - G=C800:CCC - 1-6 3 0-1 0 Y Y Q A:>FDISK A:>FORMAT C:/S FOR XT CONTROLLERS Western Digital controller ROM v6.0 or earlier ================== A:>DEBUG -RAX :0104 -------------------- 1 = DRIVE D, 0=C: => 7=J: - G=C800:5 4 = INTERLEAVE - Y - Q A:>FDISK A:>FORMAT C:/S DISK TYPES FOR IBM's ==================== Disk # of # of # of write Track to Sectors Mega Type Cyl Hds Pre-comp Park Hds per Trk bytes ----------------------------------------------------------------------------- 1 306 4 128 305 17 10 2 615 4 300 615 17 21 3 615 6 300 615 17 31 4 940 8 512 940 17 64 5 940 6 512 940 17 48 6 615 4 FFFF 615 17 21 7 462 8 256 511 17 31 8 733 5 FFFF 733 17 31 9 900 15 FFFF 901 17 115 10 820 3 FFFF 820 17 21 11 855 5 FFFF 855 17 36 12 855 7 FFFF 855 17 51 13 306 8 128 319 17 21 14 733 7 FFFF 733 17 44 15 0 0 0 0 0 0 16 612 4 0(ALL) 663 17 21 17 977 5 300 977 17 41 18 977 7 FFFF 977 17 58 19 1024 7 512 1023 17 61 20 733 5 300 732 17 31 21 733 7 300 732 17 44 22 733 5 300 733 17 31 23 306 4 0(ALL) 336 17 10 24 612 4 305 663 17 21 25 306 4 FFFF 340 17 10 26 612 4 FFFF 670 17 21 27 698 7 300 732 17 41 28 976 5 488 977 17 41 29 306 4 0(ALL) 340 17 10 30 611 4 306 663 17 21 31 732 7 300 732 17 43 32 1023 5 FFFF 1023 17 43 ----------------------------------------------------------------------------- DISK TYPES FOR COMPAQ's ======================= Disk # of # of # of write Track to Sectors Mega Type Cyl Hds Pre-comp Park Hds per Trk bytes ----------------------------------------------------------------------------- 1 306 4 128 305 17 10 2 615 4 128 638 17 21 3 615 6 128 615 17 31 4 1024 8 512 1023 17 70 5 940 6 512 939 17 48 6 697 5 128 696 17 30 7 462 8 256 511 17 31 8 925 5 128 924 17 39 9 900 15 FFFF 899 17 115 10 980 5 FFFF 980 17 42 11 925 7 128 924 17 55 12 925 9 128 924 17 71 13 612 8 256 611 17 42 14 980 4 128 980 17 33 15 0 0 0 0 0 0 16 612 4 0(ALL) 612 17 21 17 980 5 128 980 17 42 18 966 6 128 966 17 49 19 1023 8 FFFF 1023 17 69 20 733 5 256 732 17 31 21 733 7 256 732 17 44 22 768 6 FFFF 768 17 39 23 771 6 FFFF 771 17 39 24 966 14 FFFF 966 17 115 25 966 16 FFFF 966 17 131 26 1023 14 FFFF 1023 17 122 27 966 10 FFFF 966 17 82 28 771 3 FFFF 771 17 20 29 578 4 FFFF 578 17 20 30 615 4 128 615 25 31 31 615 8 128 615 25 61 32 966 3 FFFF 966 34 49 33 966 5 FFFF 966 34 82 34 966 7 FFFF 966 34 115 35 966 8 FFFF 966 34 131 36 966 9 FFFF 966 34 148 37 966 5 FFFF 966 34 82 38 1023 9 FFFF 1023 33 152 39 1023 11 FFFF 1023 33 185 40 1023 13 FFFF 1023 33 219 41 1023 15 FFFF 1023 33 253 42 1023 16 FFFF 1023 34 278 43 756 4 FFFF 756 26 39 44 756 2 FFFF 756 26 20 45 768 4 FFFF 768 26 40 46 768 2 FFFF 768 26 20 47 966 5 128 966 25 60 -------------------------------------------------------------------------- Disk Controller Connectors: =========================== XT Fixed Disk Controller Connector J1: Pin Discription Direction 1 Ground 2 -Reduced write current From controller 3 Ground 4 RESERVED 5 Ground 6 -Write gate From controller 7 Ground 8 -Seek complete From drive 9 Ground 10 -Track 00 From drive 11 Ground 12 -Write Fault From drive 13 Ground 14 -Head select 2^0 From controller 15 Ground 16 RESERVED 17 Ground 18 -Head select 2^1 From controller 19 Ground 20 -Index From drive 21 Ground 22 -Ready From drive 23 Ground 24 -Step From controller 25 Ground 26 -Drive select 1 From controller 27 Ground 28 -Drive select 2 From controller 29 Ground 30 RESERVED 31 Ground 32 RESERVED 33 Ground 34 -Direction in From controller XT Fixed Disk Controller Connectors J2 and J3: Pin Discription Direction 1 Drive select From drive 2 Ground 3 Reserved 4 Ground 5 NO PIN (key) 6 Ground 7 RESERVED 8 Ground 9 UNUSED 10 UNUSED 11 Ground 12 Ground 13 MFM write data From controller 14 -MFM write data From controller 15 Ground 16 Ground 17 MFM read data From drive 18 -MFM read data From drive 19 Ground 20 Ground