[sebhc] HDOS sysgen questions (and problems)
huskycan at terra.es
Thu Oct 19 00:08:54 CDT 2006
When I try to download the documents requests me user and password
Which the user is?
Which the password is?
----- Original Message -----
From: "Glenn Roberts" <gfroberts at adelphia.net>
To: <sebhc at sebhc.org>
Sent: Thursday, October 19, 2006 3:47 AM
Subject: Re: [sebhc] HDOS sysgen questions (and problems)
> yep it's normal. if you enjoy reading source code check out
> the ABR routine (Auto Baud Rate Selection, line 1938) cycles the UART
> through various BAUD rates and waits for a reading that doesn't cause an
> error, then sets that as the default BAUD rate. 25 years ago I could have
> pointed you to the code that writes this back to the boot track (so that
> on subsequent boots you don't have to hit space) but now I'll have to
> leave that as an exercise to the reader! (it's in there somewhere).
> If you were fortunate enough to have an H8 you probably avoided this trap
> ... the code spells out "SPACE" on the LEDs as a hint to hit the space
> The manuals are also in the SEBHC archive. the Bootstrap procedure is
> described at:
> starting at page 1-13.
> - Glenn
> Bob Shannon wrote:
>> So it was working all along!?
>> Clearly I have a lot of reading to do.
>> So it appears that once its figured out the baud rate, the O/S
>> patches itself, and does not auto-baud when you re-boot the disk?
>> After pressing the space bar twice, I got the BOOT text and
>> HDOS sign on messages. When I rebooted that same floppy
>> later on (without powering off) it simply booted up automatically.
>> No need to press the space bar. Is this normal?
>> ----- Original Message ----- From: "Mark Garlanger" <garlanger at gmail.com>
>> To: <sebhc at sebhc.org>
>> Sent: Tuesday, October 17, 2006 5:08 PM
>> Subject: Re: [sebhc] HDOS sysgen questions (and problems)
>>> On 10/17/06, Bob Shannon <bshannon at tiac.net> wrote:
>>>> Ok, I'm stumped here!
>>>> How do I make a bootable system disk under HDOS?
>>>> I'm able to init and pass media check on a 'blank' floppy.
>>>> But when I SYSGEN/M, and attempt to boot the resulting
>>>> diskette, nothing happens.
>>> At this point try pressing the space bar 3-4 times, it's to determine
>>> baud rate, there is set commands to not require it, I'm not sure if
>>> SYSGEN/M is some how reseting that option, but it's worth a try. I had
>>> seen this with some of the disks I had (HDOS distribution disks). I
>>> thought the disks had gone bad - I then attempted to mount them, and
>>> they worked fine... then I remember about the space bar and that fixed
>>> the problem.
>>>> Specifically, I reset, press B for 'boot', the drive light goes on
>>>> then off again, then nothing happens. No additional text is
>>>> displayed, no drive access sounds, nothing.
>>>> When I try SYSGEN *.* I get a read error on the source
>>>> disk and end up back at the HDOS prompt. The resulting
>>>> disk does not boot, it acts exactly like the SYSGEN/M
>>>> When I simply try SYSGEN, I end up with an error where
>>>> the system is looking for ONBECOPY.ABS, which does
>>>> not appear to be on my one and only bootable diskette.
>>>> Would someone here please tell me exactly how I'm supposed
>>>> to make a backup boot disk?
>>>> Delivered by the SEBHC Mailing List
>>> Delivered by the SEBHC Mailing List
>> Delivered by the SEBHC Mailing List
> Delivered by the SEBHC Mailing List
Delivered by the SEBHC Mailing List
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