11/24 board settings (Re: Next project: 11/24. Does it need memory?)

2020-11-14 Thread Jay Jaeger via cctalk
On 10/21/2020 11:36 AM, Noel Chiappa via cctalk wrote: > > From: Jay Jaeger > > >> 2--M7134 KT24 Memory map > > > M7891 UNIBUS Memory (256K, I think, presumably addressed for 0). > > If that's all the memory you have, the KT24 isn't really doing anything > (well, monitoring power;

Re: WTB: Amiga 8375 Agnus IC (NTSC or PAL) or Amiga 600 motherboard

2020-11-14 Thread Doc Shipley via cctalk
On 11/12/20 10:42 AM, Ethan O'Toole via cctalk wrote: Looking for an Amiga 8375 Agnus IC (Amiga 600, Amiga 500 Plus.) NTSC is what I have now but the PAL version might work. So say we all, man, so say we all. Doc

RE: VT-320 interfacing

2020-11-14 Thread Joe Piche via cctalk
Rebuilt the DEC-423 to DB-9F cable with a new db9, and it works a treat. -Original Message- From: cctalk On Behalf Of Joe Piche via cctalk Sent: Monday, November 9, 2020 10:34 PM To: 'Mark J. Blair' ; 'General Discussion: On-Topic and Off-Topic Posts' Subject: RE: VT-320 interfacing I

Re: Seagate Elite "reverse surging" noise

2020-11-14 Thread Jules Richardson via cctalk
On 11/14/20 11:09 AM, Richard Pope wrote: Jules,     That sounds like a spindle motor bearing that is going bad. Yes, it will get worst and the motor will fail to spin up at one point. I wouldn't use this drive for anything that is important. Remember these motors don't have a lot of torque.

Re: Seagate Elite "reverse surging" noise

2020-11-14 Thread Richard Pope via cctalk
Jules, That sounds like a spindle motor bearing that is going bad. Yes, it will get worst and the motor will fail to spin up at one point. I wouldn't use this drive for anything that is important. Remember these motors don't have a lot of torque. GOD Bless and Thanks, rich! On 11/14/2020

Seagate Elite "reverse surging" noise

2020-11-14 Thread Jules Richardson via cctalk
I picked up a couple of 9GB Seagate Elite SCSI disks the other day (model 410800N, 1995-vintage but 5.25" FH units). Both drives spin up, both pass r/w tests successfully. On one unit, the spindle motor sound is constant. On the other, however, it makes a sound that I can best describe as