Making RT-11 bootable

From: Jerome H. Fine <jhfinepw4z_at_compsys.to>
Date: Thu Jun 20 08:49:03 2002

>Pat Finnegan wrote:

> OK, I now have a bootable RX-50. My question is what is the difference
> between DL.SYS and DLX.SYS drivers? Is the non-x version unibus and the
> with-x version qbus or something?

Jerome Fine replies:

Two aspects of your question indicate you are a newbie
RT-11 user:
(a) You don't specify what you are booting on the RX50 -
probably because you don't know - let alone which hardware
type of computer is being used
(b) You don't know the difference between mapped (e.g. RT11XM)
and unmapped (e.g. RT11FB) monitors (equivalent to the kernel in
UNIX according to Megan Gentry) in RT-11, let alone the details
of how RT-11 handles the Qbus and Unibus versions of the hardware.

Then, there is the difference with the PRO380 in that it uses a CTIbus
(if I remember the name correctly), so additional device drivers are
required to run with the PRO380 since the standard device drivers
which work with the Qbus and Unibus will not function at all in the
PRO380 environment.

If your RX50 floppy was booting a Qbus (or Unibus) system,
and you were running RT11XM, then add the following three files:
PIX.SYS
DZX.SYS
DWX.SYS
Then execute the command:
COPY/BOOT:DZ DU0:RT11XM.SYS DU0:
The RX50 floppy should then be able to boot on the PRO380.
It will be UNABLE to boot using the DUX.SYS device driver
on a Qbus (or Unibus) system using the RX50 floppy drive.

If you also want to be able to boot RT11FB, then also add
PI.SYS
DZ.SYS
DW.SYS

If it works on the PRO380, please let us know.

Do you also have a hard drive on the PRO380? It will use the
DW(X).SYS device driver.

Sincerely yours,

Jerome Fine
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Received on Thu Jun 20 2002 - 08:49:03 BST

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