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The Amiga Future 140 was released on the August 30th.

The Amiga Future 140 was released on the August 30th.
The Amiga Future 140 was released on the August 30th.

The Amiga Future 140 was released on the August 30th.
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Check4GB 



Check if your HD setup is 4GB-ready


 [ One rating ]
This download was added on 22.01.2008 - 17:27 by AndreasM  • Last download 28.09.2019 - 09:53

Extra Information


Requires

Amiga


How the Extension works

Amiga Computers with Kickstart 3.1 and below cannot handle hard drives greater than 4GB. Although there are many solutions and even OS3.5+ claim to be compatible with large hard drives, it is sometimes difficult to be sure.

Background

The standard interface between a device driver (e.g. scsi.device) and a file system (e.g. FastFileSystem) addresses blocks on a drive by a 32 bit address. With 32 bits you can address 2^32 bytes = 4GB.

There are three solutions to expand this border:

- TD64 is a 64 bit command set invented by Phase5.
- NSD is a new style to communicate with a device driver. It also adds
64 bit commands similar to TD64.
- Direct-SCSI is a method to send raw device commands directly to the
SCSI bus. Most IDE drivers understand and emulate these commands, too.

To bypass the 4GB border you need a device driver and a file system that both support the same command set out of the above.

File hash table

check4gb.lha [md5] c96713137613324e0e2f630f742a7195