Re: Technically speaking.....
you cannot just change wires to get a scsi harddisk to work on a ata system, the internal (burned into the ic on the hd) software protocol is to different plus the formatting gives another headache, you can get scsi to ata convertersJames On 29/07/2004, at 19:30, Craig Ringer wrote: On Thu, 2004-07-29 at 19:21, Robert Howells wrote: Thank you ! The idea is right I just need to modify it slightly to SCSI disk interface. Yeah, sorry, I failed to spot ... 50 pins I thought the 7600 was ATA based, but apparently not. -- Craig Ringer -- The WA Macintosh User Group Mailing List -- Archives - http://www.wamug.org.au/mailinglist/archives.shtml Guidelines - http://www.wamug.org.au/mailinglist/guidelines.shtml Unsubscribe - mailto:[EMAIL PROTECTED] WAMUG is powered by Stalker CommuniGatePro
Re: Technically speaking.....
Hi People, I need to find out what voltage should be seen on what pins of the 50 way ribbons feeding to the Hard drive in a Mac 7600 box Can anybody direct me to a source of information , please ? Googling for SCSI pinout reveals: http://www.connectworld.net/scsi.html Have fun, Shay -- === Shay Telfer Perth, Western Australia Technomancer Join Team Sungroper in the Opinions for hire [POQ] 2005 World Solar Challenge [EMAIL PROTECTED] fnord http://sungroper.asn.au/
Re: Technically speaking.....
On Thu, 2004-07-29 at 23:13, James / Hans Kunz wrote: you cannot just change wires to get a scsi harddisk to work on a ata system, the internal (burned into the ic on the hd) software protocol is to different plus the formatting gives another headache. Yes, I'm well aware of that. I don't know what in my message gave you the impression that I was suggesting that could be done. All I said was that I thought the 7600 was ATA based, not SCSI based. In other words, I thought it was made after Apple made the transition from SCSI hard disks to ATA ones for the internal disks in PowerMacs. (As a curiosity, it _is_ apparently possible to use SATA disks on Serial Attached SCSI controllers. Cool, eh?) -- Craig Ringer
Re: Technically speaking.....(Slightly OT)
Craig Ringer wrote: On Thu, 2004-07-29 at 23:13, James / Hans Kunz wrote: you cannot just change wires to get a scsi harddisk to work on a ata system, the internal (burned into the ic on the hd) software protocol is to different plus the formatting gives another headache. Yes, I'm well aware of that. I don't know what in my message gave you the impression that I was suggesting that could be done. All I said was that I thought the 7600 was ATA based, not SCSI based. In other words, I thought it was made after Apple made the transition from SCSI hard disks to ATA ones for the internal disks in PowerMacs. (As a curiosity, it _is_ apparently possible to use SATA disks on Serial Attached SCSI controllers. Cool, eh?) -- Craig Ringer -- The WA Macintosh User Group Mailing List -- Archives - http://www.wamug.org.au/mailinglist/archives.shtml Guidelines - http://www.wamug.org.au/mailinglist/guidelines.shtml Unsubscribe - mailto:[EMAIL PROTECTED] WAMUG is powered by Stalker CommuniGatePro 50 pin connectors being so wide makes it easy to bend the end pins, which I did repeatedly, then, number 1 pin broke off! Shock horror! So an intrepid friend and I managed to solder a single wire, salvaged from an IDE cable as I didnt have the heart to destroy an actual scsi cable, just behind the cable connector on the HDD. I then got an intact scsi cable connected it normally to the HDD and Mainboard. Now the tricky bit, I simply pushed the bared end of the little wire we'd soldered into the number 1 hole in the NEXT connector along the scsi cable. Even though I accidentally yanked it out during boot up, it still worked when I just popped it back in! Data recovered, sweating ceased;) Cheers Paul
Re: Technically speaking.....
Hi People, I need to find out what voltage should be seen on what pins of the 50 way ribbons feeding to the Hard drive in a Mac 7600 box Can anybody direct me to a source of information , please ? TIA Bob
Re: Technically speaking.....
On Thu, 2004-07-29 at 18:33, Robert Howells wrote: Hi People, I need to find out what voltage should be seen on what pins of the 50 way ribbons feeding to the Hard drive in a Mac 7600 box Can anybody direct me to a source of information , please ? You'll want to find the ATA disk interface specification. Google should help. -- Craig Ringer
Re: Technically speaking.....
On Thu, 2004-07-29 at 19:21, Robert Howells wrote: Thank you ! The idea is right I just need to modify it slightly to SCSI disk interface. Yeah, sorry, I failed to spot ... 50 pins I thought the 7600 was ATA based, but apparently not. -- Craig Ringer
