All known and available revisions of the Seattle Computer Products 8086 Monitor ROM. This monitor was written by @TimPaterson, for the SCP 8086 CPU Support Card, and was later turned into the 86-DOS/MS-DOS/PC-DOS DEBUG utility. Version 1.9 is required for booting MS-DOS 2.0 from hard drive.
| Version | Revision | Source Code | Cromemco 4FDC | Cromemco 16FDC | NorthStar SD | SCP Disk Master | Tarbell DD | Tarbell SD |
| 1.4 | 1980-02-18 | N/A | N/A | |||||
| 1.5 | 1980-04-24 | |||||||
| 1981-05-26 | ||||||||
| 1982-03-19 | ||||||||
| 1982-06-10 | ||||||||
| 1.6 | 1982-??-?? |
ASM* |
N/A | N/A | ||||
| 1.9 | 1983-08-04 | |||||||
*Reconstructed based on existing binary.