The BIOS setting for the 720k was the 3.5" drive setting. I have used multiple cables, including an un-twisted cable, with the jumpers of both drives set up as...
I'm hoping to be able to attend... However, I'm currently injured and can't move a lot of stuff by myself, so I'm waiting for a friend to agree to help me. If...
I have a Model 4 that has a floopy drive that goes out or alignment after the computer has been turned on for a while (Probably caused by the fact it is...
FYI:- http://www.freetechbooks.com/ http://textbookrevolution.org/computers-tech Not exactly our subject perhaps but there might be something useful here. Neil...
Try spinrite (software name) if they work on Model IV's __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the...
Spinrite is for HARD DRIVES on PC-Compatibles. Not Floppy Drives for TRS-80's. It's not worth doing. Aligning a Floppy drive requires a $100 Alignment Floppy,...
Hi The Newdos80 manual used to be on David Keil's site http://discover-net.net/~dmkeil/index.htm But I can no longer find the documentation. I have it but he...
You're right, it's not worth it. I now have 2 Model III's and one Model 4. Swapping the bad drive for one that works from one of the other computers makes...
FYI: http://www.datasheets.org.uk/ The Data Book Project "We have launched an ambitious project to digitize thousands of obsolete data books and technical...
TCP/IP LEAN: WEB SERVERS FOR EMBEDDED SYSTEMS (2nd Edition) by Jeremy Bentham. ISBN 1-57820-108-X Publisher: CMP Books. Shows you how to do it with a PIC...
no actual characters or any such, just 1/2 dozen+ wavy diagonal lines. Have a similar problem with a Sanyo MBC-1000. Sound like a logic problem (i.e. bad chips...
... Hi Is what you are seeing the retrace? That is the beam when it moves fast at black level from right to left and from bottom to top. Is the pot's for...
Sounds like horizontal sync. It could be a loose connector, or the monitor has aged and the horizontal frequency has drifted. I would just adjust the control....
recepient just pays shipping, includes, atari, trs80, coco, tandy, ibm, apple2, commodore, CPM, etc. Jeff Wood 307-222-4224 proteanthread at yahoo will...
I am restoring my old TRS-80 Model 1. Some of the wire-wrap connections are torn out on the top of the motherboard. I think I must have used Steven Wexler's...
Hi, to be more specific: Z30.13 is the output of the generated fake bit 6. It would be used to switch in the original mapping, for use with the older type...
I have a full set of Kilobauds, except for March 1978 and perhaps the last couple of issues published. Do you know *which* issue contains this article???...
Is it not on Ira's site? I thought he scanned them all. Neil ... From: geomatic6 I am restoring my old TRS-80 Model 1. Does anyone have a copy of the above...
I am currently working on a list and will be posting it to my website shortly: http://www.rtdos.com/list.txt (dead link right now but should be up sometime...