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Add more information about HDD limits

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RichardG867
2020-07-13 23:26:22 -03:00
parent 0ee7c2f51a
commit 72455712cb
1 changed files with 32 additions and 28 deletions
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60
settings/hdd.rst
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@@ -32,25 +32,25 @@ The *New...* button opens a new window allowing you to create an existing hard d
* The *Channel* value for the IDE bus has two numbers, which correspond to an IDE channel and device, respectively:
+---------+-----------+------+
|*Channel*|IDE channel|Device|
+=========+===========+======+
|0:0 |Primary |Master|
+---------+-----------+------+
|0:1 |Primary |Slave |
+---------+-----------+------+
|1:0 |Secondary |Master|
+---------+-----------+------+
|1:1 |Secondary |Slave |
+---------+-----------+------+
|2:0 |Tertiary |Master|
+---------+-----------+------+
|2:1 |Tertiary |Slave |
+---------+-----------+------+
|3:0 |Quaternary |Master|
+---------+-----------+------+
|3:1 |Quaternary |Slave |
+---------+-----------+------+
+---------+-----------+------+
|*Channel*|IDE channel|Device|
+=========+===========+======+
|0:0 |Primary |Master|
+---------+-----------+------+
|0:1 |Primary |Slave |
+---------+-----------+------+
|1:0 |Secondary |Master|
+---------+-----------+------+
|1:1 |Secondary |Slave |
+---------+-----------+------+
|2:0 |Tertiary |Master|
+---------+-----------+------+
|2:1 |Tertiary |Slave |
+---------+-----------+------+
|3:0 |Quaternary |Master|
+---------+-----------+------+
|3:1 |Quaternary |Slave |
+---------+-----------+------+
Press the *OK* button to create the disk image file, or *Cancel* to close the window.
@@ -73,12 +73,16 @@ Size limits
There are limits to how big of a hard disk an emulated machine can accept. Such limits will vary depending on the machine's age. Here are a few important ones:
+------------+---------+---------+-----+-------+
|Limit |Disk size|Cylinders|Heads|Sectors|
+============+=========+=========+=====+=======+
|20-bit CHS |504 MB |1024 |16 |63 |
+------------+---------+---------+-----+-------+
|Extended CHS|8032 MB |1024 |256 |63 |
+------------+---------+---------+-----+-------+
|48-bit LBA |131071 MB|Not applicable |
+------------+---------+-----------------------+
+---------------+---------+---------+-----+-------+
|Limit |Disk size|Cylinders|Heads|Sectors|
+===============+=========+=========+=====+=======+
|20-bit CHS |504 MB |1024 |16 |63 |
+---------------+---------+---------+-----+-------+
|Extended CHS |8032 MB |1024 |256 |63 |
+---------------+---------+---------+-----+-------+
|65535 cylinders|32255 MB |65535 |16 |63 |
+---------------+---------+---------+-----+-------+
|48-bit LBA |131071 MB|Not applicable |
+---------------+---------+-----------------------+
These limits can be worked around (with caveats) by using software such as *Ontrack Disk Manager*, except for the 131071 MB one which is a hard limit of 86Box's hard disk emulation.