diff --git a/hardware/diskimages.rst b/hardware/diskimages.rst index dae71f6..9deec07 100644 --- a/hardware/diskimages.rst +++ b/hardware/diskimages.rst @@ -103,7 +103,7 @@ There are limits to how big of a hard disk an emulated machine can accept. Such - 16 - 256 -The maximum supported disk image size for IDE or SCSI is 131071 MB. Disk overlay software such as *Ontrack Disk Manager* can work around BIOS limits and allow booting of IDE hard drives within the 131071 MB limit, with the same caveats as using such software on a real machine. +The maximum supported disk image size for IDE or SCSI is 131071 MB. Disk overlay software such as the :ref:`settings/storage:Vision Systems LBA Enhancer` or *Ontrack Disk Manager* can work around BIOS limits and allow booting of larger IDE hard drives, with the same caveats as using such software on a real machine. Floppy disk images ------------------ diff --git a/settings/storage.rst b/settings/storage.rst index f31063c..4be5f3a 100644 --- a/settings/storage.rst +++ b/settings/storage.rst @@ -39,3 +39,12 @@ Cassette -------- Enable IBM cassette tape emulation. Only available on machines with a cassette port. The cassette deck can be controlled through the :ref:`status bar ` or :ref:`Media menu `. + +Vision Systems LBA Enhancer +--------------------------- + +Add an IDE Enhancer option ROM card, which can help work around the :ref:`hard disk size limits ` on many older machines. Hard disks up to 8055 MB (16367 cylinders, 16 heads, 63 sectors) in size are supported; they must be manually configured to **8 cylinders, 8 heads and 8 sectors** on the machine's BIOS setup utility for the Enhancer to handle them. + +The BIOS option ROM address used can be configured through the *Settings* button. + +.. note:: Added in **86Box 4.1.1**.