Re: Re: [LIB] CPU Motherboard
Date: Sat, 8 Nov 2003 7:57:42 + From: [EMAIL PROTECTED] Subject: Re: Re: [LIB] CPU Motherboard From: Fran [EMAIL PROTECTED] Date: 2003/11/06 Thu AM 01:55:47 GMT To: Libretto [EMAIL PROTECTED] Subject: Re: [LIB] CPU Motherboard Date: Thu, 6 Nov 2003 14:51:24 +1300 From: Fran [EMAIL PROTECTED] Subject: Re: [LIB] CPU Motherboard Very interested... I love my libby but this sounds great! 'Snot gonna work in my 70s, though :( Neil - Email provided by http://www.ntlhome.com/ ** http://libretto.basiclink.com - Libretto mailing list http://www.silverace.com/libretto/ - Archives ---TO UNSUBSCRIBE--- Reply to any of the list messages. The reply mail should be addressed to: [EMAIL PROTECTED] - Then replace any text on the message's subject line: cmd:unsubscribe TO UNSUBSCRIBE DIGEST-- Do above but with this on subject line: cmd:unsubscribe digest **
RE: [LIB] How to calculate cylinder#s from sector#s?
Date: Sat, 8 Nov 2003 07:26:04 -0500 From: Carnage [EMAIL PROTECTED] Subject: RE: [LIB] How to calculate cylinder#s from sector#s? Ummm... Where, exactly, would one go about finding this linux script? (Preferrably on a bootable floppy or somesuch.) -Original Message- From: David Chien [mailto:[EMAIL PROTECTED] Sent: Saturday, 08 November, 2003 01.24 To: Libretto Subject: RE: [LIB] How to calculate cylinder#s from sector#s? :snip: 4) You can also use the Linux script below to find this information. :snipped to end (and still no script!): ** http://libretto.basiclink.com - Libretto mailing list http://www.silverace.com/libretto/ - Archives ---TO UNSUBSCRIBE--- Reply to any of the list messages. The reply mail should be addressed to: [EMAIL PROTECTED] - Then replace any text on the message's subject line: cmd:unsubscribe TO UNSUBSCRIBE DIGEST-- Do above but with this on subject line: cmd:unsubscribe digest **
Re: [LIB] How to calculate cylinder#s from sector#s?
Date: Sun, 09 Nov 2003 01:08:48 + From: Matt Hanson [EMAIL PROTECTED] Subject: Re: [LIB] How to calculate cylinder#s from sector#s? Wow... Thanks of the rub down on this Lewin! I'll have to copy and paste this and archive it for a closr read when I can grok it a bit more thoroughly. Matt From: Lewin A.R.W. Edwards [EMAIL PROTECTED] Matt Hanson wrote: software. I've posed this question to a few people off-list, but have yet to find someone who knows how things get written to HDDs well enough to offer an explanation. I've written MS-DOS compatible filesystemns from scratch, does that count? :) If you have an absolute (physical) sector number, you can calculate the corresponding CHS address as follows: Let SPC = (Heads per cylinder * sectors per track) Note that some utilities will tell you the NUMBER of heads, and some utilities will tell you the MAXIMUM HEAD NUMBER, which is the number of heads minus one. Make sure you use the correct value. For a given physical sector P, calculate: Cyl = integer portion of (P / SPC) Now let P' = P - (Cyl * SPC) (i.e. the remainder of sectors left over after subtracting the cylinder address) Head = integer portion of (P' / sectors per track) Now let P'' = P' - (Head * sectors per track) (i.e. the remainder of sectors left over after subtracting the cylinder and head addresses) Sector = P'' + 1 (The reason for adding 1 to the sector address is that sectors are numbered starting at 1. Cylinders and heads are numbered starting at zero). David has estimated that the Windows swap file covers about cylinders 1010 to 1040 for the 64MB RAM on the L1xx Libbys. So Ive created a Interesting. I have seen 1016 quoted as the most common starting cyl#. What is the geometry of your drive? it, put the system into hibernation, booted again, and using WinHex, have found the starting and ending sectors of the hibernation area on the drive. Whoa. These may be RELATIVE (logical) sector numbers. Those are quoted relative to the start of the partition, not the start of the hard drive. -- -- Lewin A.R.W. Edwards (http://www.larwe.com/) Learn how to develop high-end embedded systems on a budget! http://www.amazon.com/exec/obidos/ASIN/0750676094/zws-20 _ Great deals on high-speed Internet access as low as $26.95. https://broadband.msn.com (Prices may vary by service area.) ** http://libretto.basiclink.com - Libretto mailing list http://www.silverace.com/libretto/ - Archives ---TO UNSUBSCRIBE--- Reply to any of the list messages. The reply mail should be addressed to: [EMAIL PROTECTED] - Then replace any text on the message's subject line: cmd:unsubscribe TO UNSUBSCRIBE DIGEST-- Do above but with this on subject line: cmd:unsubscribe digest **
Re: [LIB] How to calculate cylinder#s from sector#s?
Date: Sun, 09 Nov 2003 01:10:23 + From: Matt Hanson [EMAIL PROTECTED] Subject: Re: [LIB] How to calculate cylinder#s from sector#s? U Wow... Thanks for the run down on this Lewin! I'll have to copy and paste this and archive it for a closr read when I can grok it a bit more thoroughly. From: Lewin A.R.W. Edwards [EMAIL PROTECTED] Matt Hanson wrote: software. I've posed this question to a few people off-list, but have yet to find someone who knows how things get written to HDDs well enough to offer an explanation. I've written MS-DOS compatible filesystemns from scratch, does that count? :) If you have an absolute (physical) sector number, you can calculate the corresponding CHS address as follows: Let SPC = (Heads per cylinder * sectors per track) Note that some utilities will tell you the NUMBER of heads, and some utilities will tell you the MAXIMUM HEAD NUMBER, which is the number of heads minus one. Make sure you use the correct value. For a given physical sector P, calculate: Cyl = integer portion of (P / SPC) Now let P' = P - (Cyl * SPC) (i.e. the remainder of sectors left over after subtracting the cylinder address) Head = integer portion of (P' / sectors per track) Now let P'' = P' - (Head * sectors per track) (i.e. the remainder of sectors left over after subtracting the cylinder and head addresses) Sector = P'' + 1 (The reason for adding 1 to the sector address is that sectors are numbered starting at 1. Cylinders and heads are numbered starting at zero). David has estimated that the Windows swap file covers about cylinders 1010 to 1040 for the 64MB RAM on the L1xx Libbys. So Ive created a Interesting. I have seen 1016 quoted as the most common starting cyl#. What is the geometry of your drive? it, put the system into hibernation, booted again, and using WinHex, have found the starting and ending sectors of the hibernation area on the drive. Whoa. These may be RELATIVE (logical) sector numbers. Those are quoted relative to the start of the partition, not the start of the hard drive. -- -- Lewin A.R.W. Edwards (http://www.larwe.com/) Learn how to develop high-end embedded systems on a budget! http://www.amazon.com/exec/obidos/ASIN/0750676094/zws-20 _ Great deals on high-speed Internet access as low as $26.95. https://broadband.msn.com (Prices may vary by service area.) ** http://libretto.basiclink.com - Libretto mailing list http://www.silverace.com/libretto/ - Archives ---TO UNSUBSCRIBE--- Reply to any of the list messages. The reply mail should be addressed to: [EMAIL PROTECTED] - Then replace any text on the message's subject line: cmd:unsubscribe TO UNSUBSCRIBE DIGEST-- Do above but with this on subject line: cmd:unsubscribe digest **
