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Questions tagged [hard-disk]

Hard disk drives: hardware, connection, low-level format and drivers.

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35
votes
8answers
10k views

Why were floppy disks invented after hard disks?

For those of us who grew up with personal computers in the 1970's or 1980's, the experience was a very gradual migration from floppy disks to hard disks as the primary persistent storage. So, based on ...
54
votes
3answers
12k views

On DOS computers, what would the PARK command do?

In 1994 or so, we had an old computer at my primary school. I remember finding out that it had a park command. From reading its documentation, it said that this command should be executed prior to ...
27
votes
17answers
6k views

How much did the first hard drives for PCs cost?

I would like to know how much early PC hard drives cost but have only been aable to find adjacent or unsourced data. According to the Centre for Computing History: The "IBM 5161 Expansion ...
4
votes
1answer
1k views

How I can install Windows 98SE in Hyper-V, but can't run it after

Create the Gen 1 machine with less than 512MiB Ram (above requires you to put MaxFileCache=524288 and MaxPhysPage=40000 in the system.ini later). Add either a virtual or physical IDE drive (physical ...
12
votes
4answers
5k views

How can a ST-412 MFM hard drive be integrated with a modern PC?

I have a Seagate ST-225 20MB hard drive. It used a ST-412 MFM (Modified Frequency Modulation) controller which unfortunately went to the great bit bucket some time ago. Is it possible to get this ...
13
votes
2answers
794 views

Was there ever a Linux kernel driver for accessing disks via BIOS?

If there is some piece of PC compatible hardware where there are no (publicly) existing drivers for Linux, the only option is to access the disk with BIOS calls. I'm aware that this imposes ...
9
votes
1answer
1k views

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, ...
28
votes
1answer
5k views

How can I take an image of a 50-pin SCSI hard-drive

I have two 50-pin SCSI hard-drives that I need to image. However, after spending quite a while searching across the Internet, I cannot find any adapters to convert the 50-pin connector to something ...
3
votes
1answer
190 views

ST-506 price: wholesale or retail?

The ST-506 was an early personal computer hard disk, introduced in 1980 with a capacity of 5 megabytes and a price of $1500. While several sources confirm the price, I haven't been able to find ...
2
votes
4answers
662 views

Hard disks in 1977

Suppose you wanted to take one of the 1977 trinity (Apple II, Commodore PET, TRS-80) and attach it to a hard disk at that time - in 1977. Of course this wouldn't be easy. Not only was there no ...