C CTM New Member Joined Mar 1, 2010 Messages 4 Location NYC area Jun 4, 2013 #1 Someone sent me two 16-sector, single sided, single density, hard-sector floppies. A friend said he thinks this may be what the Altair 8800 used. Might you know anyone that could read these? Thanks.
Someone sent me two 16-sector, single sided, single density, hard-sector floppies. A friend said he thinks this may be what the Altair 8800 used. Might you know anyone that could read these? Thanks.
T TX_Dj Experienced Member Joined Apr 5, 2013 Messages 229 Location Sachse, TX Jun 4, 2013 #2 Depends on the controller that was in the Altair that wrote it. Hard sector sounds like a Northstar, or Northstar controller.
Depends on the controller that was in the Altair that wrote it. Hard sector sounds like a Northstar, or Northstar controller.
M MikeS Veteran Member Joined Dec 23, 2005 Messages 7,513 Location Toronto ON Canada Jun 4, 2013 #3 TX_Dj said: Depends on the controller that was in the Altair that wrote it. Hard sector sounds like a Northstar, or Northstar controller. Click to expand... I think the Northstar used 10-sector diskettes... Micropolis (e.g. Vector Graphic) used 16 sectors AFAIR. I assume these are 5 1/4"?
TX_Dj said: Depends on the controller that was in the Altair that wrote it. Hard sector sounds like a Northstar, or Northstar controller. Click to expand... I think the Northstar used 10-sector diskettes... Micropolis (e.g. Vector Graphic) used 16 sectors AFAIR. I assume these are 5 1/4"?
smp Veteran Member Joined Oct 4, 2011 Messages 1,718 Location Bedford, NH, USA Jun 4, 2013 #4 MikeS said: I think the Northstar used 10-sector diskettes... Click to expand... Yes, that is correct. Northstar used (and for some, still use) 10 sector hard sector 5.25 inch disks. smp
MikeS said: I think the Northstar used 10-sector diskettes... Click to expand... Yes, that is correct. Northstar used (and for some, still use) 10 sector hard sector 5.25 inch disks. smp
Chuck(G) 25k Member Joined Jan 11, 2007 Messages 44,458 Location Pacific Northwest, USA Jun 4, 2013 #5 If it was an 8800, it would have been hard-sector 8" and probably used the Pertec floppy drive (assuming it was all MITS gear).
If it was an 8800, it would have been hard-sector 8" and probably used the Pertec floppy drive (assuming it was all MITS gear).