Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-04 Thread Liam Proven via cctech
On 2 October 2017 at 14:22, Jules Richardson via cctech wrote: > > Does anyone know why IDE/ATA even came about? I mean, why SCSI wasn't used? Sure, yes. It was cheap. SCSI was expensive, and that was aside from any licensing issues. A working SCSI bus effectively means

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread Warner Losh via cctech
On Mon, Oct 2, 2017 at 9:12 AM, Jon Elson via cctech wrote: > On 10/02/2017 08:29 AM, allison via cctech wrote: > >> >> >> It was price... ATA-IDE was cheaper and PC industry was working hard to >> push the price down. >> SCSI always remained more costly. >> >> Yes. I

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread Alan Perry via cctech
On 10/2/17 11:34 AM, Chuck Guzis via cctech wrote: On 10/02/2017 10:03 AM, Alan Perry via cctech wrote: Here is a complete quote from the minutes: "Jim McGrath of Quantum defined his company's interest as being primarily in the ability to embed SCSI into a drive without there being a

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread Chuck Guzis via cctech
On 10/02/2017 10:03 AM, Alan Perry via cctech wrote: > Here is a complete quote from the minutes: > "Jim McGrath of Quantum defined his company's interest as being > primarily in the ability to embed SCSI into a drive without there being > a physical SCSI bus present. He described some problems

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread Alan Perry via cctech
On 10/2/17 5:22 AM, Jules Richardson via cctech wrote: On 10/02/2017 01:46 AM, Alan Perry via cctech wrote: There was a call to form the CAM (Common Access Method) Committee of X3T9.2 (SCSI-2) on 30 Sept 1988 and they first met on 19 Oct 1988. The primary goal was to come up with a SCSI

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread Jon Elson via cctech
On 10/02/2017 08:29 AM, allison via cctech wrote: It was price... ATA-IDE was cheaper and PC industry was working hard to push the price down. SCSI always remained more costly. Yes. I think there were royalties to pay for a true SCSI drive. Anyway, there was a VERY significant price

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread allison via cctech
On 10/2/17 10:13 AM, Jules Richardson via cctech wrote: On 10/02/2017 08:29 AM, allison via cctech wrote: On 10/2/17 8:22 AM, Jules Richardson via cctech wrote: On 10/02/2017 01:46 AM, Alan Perry via cctech wrote: There was a call to form the CAM (Common Access Method) Committee of X3T9.2

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread Jules Richardson via cctech
On 10/02/2017 08:29 AM, allison via cctech wrote: On 10/2/17 8:22 AM, Jules Richardson via cctech wrote: On 10/02/2017 01:46 AM, Alan Perry via cctech wrote: There was a call to form the CAM (Common Access Method) Committee of X3T9.2 (SCSI-2) on 30 Sept 1988 and they first met on 19 Oct

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread allison via cctech
On 10/2/17 9:40 AM, william degnan wrote: ATA-IDE and SCSI (OK SASI) are about the same age but had different adoption and growth rates. Earliest SASI/SCSI was AmproLB+ and Visual 1050 with adaptor.  I have both with hard disks. FYI the Z80 powered AMPROLB+ was 1984

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread william degnan via cctech
> > > ATA-IDE and SCSI (OK SASI) are about the same age but had different > adoption and growth rates. > > Earliest SASI/SCSI was AmproLB+ and Visual 1050 with adaptor. I have both > with hard disks. > FYI the Z80 powered AMPROLB+ was 1984 introduction. The Commodore D9060/D9090 pre-dates these

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread allison via cctech
On 10/2/17 8:22 AM, Jules Richardson via cctech wrote: On 10/02/2017 01:46 AM, Alan Perry via cctech wrote: There was a call to form the CAM (Common Access Method) Committee of X3T9.2 (SCSI-2) on 30 Sept 1988 and they first met on 19 Oct 1988. The primary goal was to come up with a SCSI

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-02 Thread Alan Perry via cctech
On 10/1/17 1:22 PM, Fred Cisin via cctech wrote: On Sun, 1 Oct 2017, Tom Gardner via cctalk wrote: I've looked for but cannot find any WD or Compaq documents publically using IDE to describe what ultimately issued as ATA-1.  My search included various Compaq maintenance manuals. Thank you