Atari 1050

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