Description Same as 810 plus Dual density. Picture here (20 KB JPG) Formats SSSD SSED Speeds 19.2 kbps Commands 52 - Read sector 50 - Write sector 53 - Get status 57 - Write sector with verify 21 - Format 22 - Format ED 23 - 1050 diags 1 24 - 1050 diags 2 RPM 288 Hardware cpu 6507, riot 6532, wd2793 fdc, ram 6810, two SIO ports. Memory map (0 KB TXT). Schematics here (95 KB GIF), drawn by Jerzy Sobola. Misc DIP switches: Black & white left: Drive 1 Black right, white left: Drive 2 Black left, white right: Drive 3 Black & white right: Drive 4 Upgrades US Doubler Manufacturer: ICD Year: 1984 Adds SSDD, 54kbps speed, sector skewing Commands 21 - Format 22 - Format ED 50 - Write sector 52 - Read sector 53 - Get status 57 - Write sector with verify 4E - Read PERCOM block 4F - Write PERCOM block 3F - Get high-speed index 66 - Format with skew Happy 1050 Manufacturer: Happy Computer Adds SSDD, 52kbps speed, 36 sector buffer. Can also read/write 180k MS-DOS. Multiple versions: 6.1, 7.0 at least, what are differences? Commands 50 - Write sector 57 - Write sector with verify 70 - ??? 77 - ??? 52 - Read sector 72 - ??? 53 - Get status 21 - Format 22 - Format ED 3F - Get high-speed index 24 - ??? 4E - Read PERCOM block 4F - Write PERCOM block 48 - Happy command 51 - ??? 1050 duplicator Manufacturer: Duplicator Technologies Inc./EMC Year: 1986 ? Commands 50 - Write sector 52 - Read sector 53 - Get status 57 - Write sector with verify 4E - Read PERCOM block 4F - Write PERCOM block 21 - Format 73 - ??? 75 - ??? 72 - ??? 67 - ??? 63 - ??? 68 - ??? 3F - Get high-speed index 62 - ??? 61 - ??? 77 - ??? 66 - Format with skew 6D - ??? 74 - ??? 76 - ??? 6E - ??? 6A - ??? 22 - Format ED 64 - ??? Super Archiver I + II Manufacturer: CSS Adds SSDD, 54kbps speed, copies and creates fuzzy & phantom sectors. Commands 50 - Write sector 52 - Read sector 53 - Get status 57 - Write sector with verify 21 - Format 22 - Format ED 4F - Write PERCOM block 73 - ??? 3F - Get high-speed index 4E - Read PERCOM block 66 - Format with skew 71 - ??? 75 - Upload & execute code 74 - Return prepared buffer 5A - ??? 42 - ??? 62 - ??? 43 - ??? 44 - ??? 46 - ??? 47 - ??? 4C - ??? 54 - Get drive variables 67 - ??? Hardware 74LS00, 6116 (2k ram), 27C32 (4k rom) put in original's rom socket. Memory map (0 KB TXT). Schematics here (58 KB JPG), drawn by Nir Dary. Cheer-Up 1050 Adds SSDD, 52kbps speed Speedy 1050 Manufacturer: Compy Shop (now ABBUC) Year: 1986 Adds SSDD, 57kbps speed, 8kb buffer, built-in DOS and copier. Has track & density display + beep speaker. Commands 50 - Write sector 57 - Write sector with verify 52 - Read sector 53 - Get status 21 - Format 22 - Format ED 4E - Read PERCOM block 4F - Write PERCOM block 3F - Get high-speed index 44 - Configure drive 4C - Jump without message 4D - Jump with message 51 - Quit 4B - Slow/fast config 60 - Write track 62 - Read track 68 - Get SIO length 69 - Get SIO routine 41 - Add/Remove command 20 - Format auto Mini-Speedy 1050 Same as above, but without displays & speaker. Super Speedy 1050 Adds SSDD, 96kbps speed, 192kb buffer (???) SuperMax 1050 Adds SSDD, 52kbps speed Lazer 1050 Adds SSDD, 54kbps speed Engl-Turbo-1050 Adds SSDD, 70kbps speed, different skew than USDoubler Back (c) 1998-2004 Jindroush Last modified: Sat Jan 11 22:53:34 2003