Questions tagged [chs]
Cylinder-head-sector disk addressing: addressable range, direct use, compatibility issues and conversion between coordinate systems.
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How can I edit CMOS hard drive geometry settings on a 1991 PC?
First, I am NOT asking how to use the BIOS Setup utility. I'm asking how to OVERRIDE the built-in settings my BIOS Setup supports for the HD geometry.
I have a 1991 NCR PC with a 386SX, on-board IDE, ...
9
votes
2
answers
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How to determine BIOS-provided (INT 13h) hard disk geometry, and how to fix the MBR partition table to agree with it?
When transferring a hard drive from one computer to another, sometimes a situation can occur where the BIOS-provided CHS hard disk geometry (interrupt 13h without extensions) is different from the CHS ...
7
votes
4
answers
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Booting from SD card on a Compaq LTE 4/75 – DOS 6 works, Windows 95 doesn't
I'm in the process of restoring an old Compaq LTE Elite 4/75 laptop, which was missing its hard drive, so I thought I'd try booting using an SD-to-IDE adapter.
On my main workstation I created an ...
18
votes
1
answer
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How did Drive Overlay programs break BIOS disk barriers on older PCs?
I was just reading a thread on Vogons about OnTrack and EZ-Drive setup, and it occurred to me that I have no idea how they work.
Please explain why the barrier existed and then how the overlay ...
8
votes
2
answers
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Compaq Contura Aero 4/33C - moving data to CF/IDE disk - No operating system detected
I've got a Compaq Contura Aero 4/33 laptop with original DOS system installed. As the HDD is old and dying, I've decided to copy the drive to a CF card on a CF/IDE adapter.
After connecting the drive, ...