Booting MDOS from Horizon Ramdisk - Revision history

Stefan Haubenthal: Category

2025-02-02T12:37:11Z

Mizapf: /* Requirements */

2020-11-19T16:17:58Z

Requirements

← Older revision		Revision as of 16:17, 19 November 2020
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	or a little more work:		or a little more work:

	* [~~[FORM123]] -~~ https://~~atariage~~.com/~~forums~~/~~applications~~/~~core/interface/file/attachment~~.~~php?id=735056~~		* [https://ftp.whtech.com/Geneve.new/Tools/horizon.dsk FORM123] - the formatter for the Horizon RAMdisk
	* [~~[GeneveOS\|MDOS 6.50]] SYSTEM/SYS -~~ http://ftp.whtech.com/Geneve/GeneveOS_650_redist.dsk		* [http://ftp.whtech.com/Geneve.new/GeneveOS_650_redist.dsk GeneveOS 6.50] - with SYSTEM/SYS

	and		and

Mizapf at 16:05, 19 November 2020

2020-11-19T16:05:33Z

← Older revision		Revision as of 16:05, 19 November 2020
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	[[GeneveOS\|MDOS 6.50]] supports booting 'SYSTEM/SYS' from a Horizon or SNUG ramdisk at crubase >1400.		[[GeneveOS#6.50\|MDOS 6.50]] supports booting 'SYSTEM/SYS' from a Horizon or SNUG ramdisk at crubase >1400.

	== Limitations ==		== Limitations ==

Mizapf: Links to GeneveOS

2020-11-19T15:59:27Z

Links to GeneveOS

← Older revision		Revision as of 15:59, 19 November 2020
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	[[MDOS 6.50]] supports booting 'SYSTEM/SYS' from a Horizon or SNUG ramdisk at crubase >1400.		[[GeneveOS\|MDOS 6.50]] supports booting 'SYSTEM/SYS' from a Horizon or SNUG ramdisk at crubase >1400.

	== Limitations ==		== Limitations ==
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	* [[FORM123]] - https://atariage.com/forums/applications/core/interface/file/attachment.php?id=735056		* [[FORM123]] - https://atariage.com/forums/applications/core/interface/file/attachment.php?id=735056
	* [[MDOS 6.50]] SYSTEM/SYS - http://ftp.whtech.com/Geneve/GeneveOS_650_redist.dsk		* [[GeneveOS\|MDOS 6.50]] SYSTEM/SYS - http://ftp.whtech.com/Geneve/GeneveOS_650_redist.dsk

	and		and
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	# Set the CRUBASE of your Horizon ramdisk to >1400		# Set the CRUBASE of your Horizon ramdisk to >1400
	# Create a disk to boot the [[Geneve]] from that contains SYSTEM/SYS from [[MDOS 6.50]], [[CYA]], CYB, CYC, and [[FORM123]]. Or just use a copy of GeneveOpSys650-redistributionpermitted2020.dsk		# Create a disk to boot the [[Geneve]] from that contains SYSTEM/SYS from [[GeneveOS\|MDOS 6.50]], [[CYA]], CYB, CYC, and [[FORM123]]. Or just use a copy of GeneveOpSys650-redistributionpermitted2020.dsk
	# Boot to MDOS from you floppy on DSK1.		# Boot to MDOS from you floppy on DSK1.
	# Load the ramdisk formatting tool: FORM123 ''Note: the FORM123 tool menus expect uppercase letters''		# Load the ramdisk formatting tool: FORM123 ''Note: the FORM123 tool menus expect uppercase letters''
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	== Notes ==		== Notes ==

	The [[MDOS 6.50]] redistribution disk image comes with [[FORM3MEG]], however the Geneve 0.98 and 1.00 boot roms are not capable of booting from the large volume it creates. It can be used to format an '8-bit' (256K) ramdisk that can boot, or '16-bit' larger volume that can be accessed after boot. There alleged to be an article in [[Micropendium]] describing how to boot from the fully allocated ramdisk. http://ftp.whtech.com/magazines/micropendium/mp99last.pdf		The [[GeneveOS\|MDOS 6.50]] redistribution disk image comes with [[FORM3MEG]], however the Geneve 0.98 and 1.00 boot roms are not capable of booting from the large volume it creates. It can be used to format an '8-bit' (256K) ramdisk that can boot, or '16-bit' larger volume that can be accessed after boot. There alleged to be an article in [[Micropendium]] describing how to boot from the fully allocated ramdisk. http://ftp.whtech.com/magazines/micropendium/mp99last.pdf

	[[MDOS 6.70rc2]] will work with a 256K (8bit) ramdisk. With crubase >1400, the 8bit ramdisk device is mapped to DSK6 by default and allows MDOS to find the DSK6.AUTOEXEC. [[MDOS 6.70rc2]] does not have a supporting [[CYA]] program to alter assignements.		[[GeneveOS\|MDOS 6.70rc2]] will work with a 256K (8bit) ramdisk. With crubase >1400, the 8bit ramdisk device is mapped to DSK6 by default and allows MDOS to find the DSK6.AUTOEXEC. [[MDOS 6.70rc2]] does not have a supporting [[CYA]] program to alter assignements.

Jedimatt42 at 19:28, 2 June 2020

2020-06-02T19:28:54Z

← Older revision		Revision as of 19:28, 2 June 2020
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	* The ramdisk disk must be assigned DSK6 during the boot process		* The ramdisk disk must be assigned DSK6 during the boot process
	* Crubase >1400 should be used. (Others not tested)		* Crubase >1400 should be used. (Others not tested, there is evidence that they are known not to work for booting: https://atariage.com/forums/topic/307339-i-need-a-new-users-guide-to-mdos-and-the-last-35-years/?do=findComment&comment=4551765 )
	* Size of ramdisk is limited to 800k without extra hacking		* Size of ramdisk is limited to 800k without extra hacking

Jedimatt42 at 02:02, 1 June 2020

2020-06-01T02:02:40Z

← Older revision		Revision as of 02:02, 1 June 2020
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	== Requirements ==		== Requirements ==

			Easy path:

	* GeneveOpSys650-redistributionpermitted2020.dsk - https://atariage.com/forums/topic/307339-i-need-a-new-users-guide-to-mdos-and-the-last-35-years/?do=findComment&comment=4552847		* GeneveOpSys650-redistributionpermitted2020.dsk - https://atariage.com/forums/topic/307339-i-need-a-new-users-guide-to-mdos-and-the-last-35-years/?do=findComment&comment=4552847

	or		or a little more work:

	* [[FORM123]] - https://atariage.com/forums/applications/core/interface/file/attachment.php?id=735056		* [[FORM123]] - https://atariage.com/forums/applications/core/interface/file/attachment.php?id=735056

Jedimatt42 at 02:01, 1 June 2020

2020-06-01T02:01:30Z

← Older revision		Revision as of 02:01, 1 June 2020
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	== Requirements ==		== Requirements ==

	* GeneveOpSys650-redistributionpermitted2020.dsk		* GeneveOpSys650-redistributionpermitted2020.dsk - https://atariage.com/forums/topic/307339-i-need-a-new-users-guide-to-mdos-and-the-last-35-years/?do=findComment&comment=4552847

	or		or

Jedimatt42 at 21:38, 31 May 2020

2020-05-31T21:38:39Z

← Older revision		Revision as of 21:38, 31 May 2020
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	=== Configure Device Map ===		=== Configure Device Map ===

	''Running CYA can be skipped if using the SYSTEM/SYS from GeneveOpSys650-redistributionpermitted2020.dsk. Skip to the Create AUTOEXEC section''		''Running CYA can be skipped if using the SYSTEM/SYS from GeneveOpSys650-redistributionpermitted2020.dsk. Skip to the'' '''Create AUTOEXEC''' ''section''

	We need to now run CYA to configure the drive mapping during boot, so that it is DSK6.		We need to now run CYA to configure the drive mapping during boot, so that it is DSK6.

Jedimatt42 at 21:35, 31 May 2020

2020-05-31T21:35:15Z

← Older revision		Revision as of 21:35, 31 May 2020
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	== Notes ==		== Notes ==

	The [[MDOS 6.50]] redistribution disk image comes with [[FORM3MEG]], however the Geneve 0.98 and 1.00 boot roms are not capable of booting from the large volume it creates. It can be used to format an '8-bit' (256K) ramdisk that can boot, or '16-bit' larger volume that can be accessed after boot. There alleged to be an article in [[Micropendium]] describing how to boot from the fully allocated ramdisk.		The [[MDOS 6.50]] redistribution disk image comes with [[FORM3MEG]], however the Geneve 0.98 and 1.00 boot roms are not capable of booting from the large volume it creates. It can be used to format an '8-bit' (256K) ramdisk that can boot, or '16-bit' larger volume that can be accessed after boot. There alleged to be an article in [[Micropendium]] describing how to boot from the fully allocated ramdisk. http://ftp.whtech.com/magazines/micropendium/mp99last.pdf

	[[MDOS 6.70rc2]] will work with a 256K (8bit) ramdisk. With crubase >1400, the 8bit ramdisk device is mapped to DSK6 by default and allows MDOS to find the DSK6.AUTOEXEC. [[MDOS 6.70rc2]] does not have a supporting [[CYA]] program to alter assignements.		[[MDOS 6.70rc2]] will work with a 256K (8bit) ramdisk. With crubase >1400, the 8bit ramdisk device is mapped to DSK6 by default and allows MDOS to find the DSK6.AUTOEXEC. [[MDOS 6.70rc2]] does not have a supporting [[CYA]] program to alter assignements.

Jedimatt42 at 21:34, 31 May 2020

2020-05-31T21:34:07Z

← Older revision		Revision as of 21:34, 31 May 2020
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	# Set the CRUBASE of your Horizon ramdisk to >1400		# Set the CRUBASE of your Horizon ramdisk to >1400
	# Create a disk to boot the [[Geneve]] from that contains SYSTEM/SYS from [[MDOS 6.50]], [[CYA]], CYB, CYC, and [[FORM123]].		# Create a disk to boot the [[Geneve]] from that contains SYSTEM/SYS from [[MDOS 6.50]], [[CYA]], CYB, CYC, and [[FORM123]]. Or just use a copy of GeneveOpSys650-redistributionpermitted2020.dsk
	# Boot to MDOS from you floppy on DSK1.		# Boot to MDOS from you floppy on DSK1.
	# Load the ramdisk formatting tool: FORM123 ''Note: the FORM123 tool menus expect uppercase letters''		# Load the ramdisk formatting tool: FORM123 ''Note: the FORM123 tool menus expect uppercase letters''

← Older revision		Revision as of 12:37, 2 February 2025
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	[[GeneveOS\|MDOS 6.70rc2]] will work with a 256K (8bit) ramdisk. With crubase >1400, the 8bit ramdisk device is mapped to DSK6 by default and allows MDOS to find the DSK6.AUTOEXEC. [[MDOS 6.70rc2]] does not have a supporting [[CYA]] program to alter assignements.		[[GeneveOS\|MDOS 6.70rc2]] will work with a 256K (8bit) ramdisk. With crubase >1400, the 8bit ramdisk device is mapped to DSK6 by default and allows MDOS to find the DSK6.AUTOEXEC. [[MDOS 6.70rc2]] does not have a supporting [[CYA]] program to alter assignements.

			[[Category:MDOS]]