goldfish@maxwell.Concordia.CA ( PAUL GOLDSMITH | BBKFH41 | SGWER307-1 | ) (03/11/89)
Does anyone know if the TRS-80 Model 4 CPM Plus will operate with DSDD drives? This is the version sold by Radio Shack and does not come with BIOS source. My Model 4-P seems to support double sided drives, however I don't want to open it up if it is hopeless. - Goldfish Ps: And while I'm at it, RS dropped the TRS line like a hot rock and neither support, nor released source of their CP/M BIOS, even though their documentation says it comes with the package. Their service is usually excellent, but not for "stale" products.
eichin@athena.mit.edu (Mark W. Eichin) (03/11/89)
Hmm. Check over in comp.sys.tandy, but I think there is some odd problem with the Model 4P drives. It may have only been that you couldn't add more than the existing two drives without PC board hacking, but check and see if someone has tried+failed just from the hardware end first. _Mark_ ps. Does anyone know if Software 2000 is still in business? I have a license for my personal copy of TurboDOS, of which I have the port to the Model 4 (in fact, the Model 4P I am typing from...) If there is anyway to "liberate" TurboDOS, I'd go though the effort to liberate the drivers for the ported version (myself and two others hold copyrights to the drivers.) The floppy driver (which I wrote) could read DSDD on the Model4D, and in fact it could read some 40 different formats including BOTH Osborne ones... but I ramble. _Mark_