I have an STM and an STFM and am in the process of adding an ACSI2STM hard disk emulator.
There are a couple of questions:
1) What is the largest partition that I can use?
2) What is the largest bootable partition that I can use?
Some articles suggest that I can use a 232 Mb boot partition plus other larger non-bootable. Whereas in other places it suggests that 32 Mb is the largest bootable partition.
Any clarification would be appreciated.
Thanks
Peter
Max bootable partition size on STM/STFM Tos 1.04
- rubber_jonnie
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Re: Max bootable partition size on STM/STFM Tos 1.04
This is the partition size guide from Jookies website, he of Ultrasatan and CosmosEx fame:
Taken from this page: http://joo.kie.sk/?page_id=345
Taken from this page: http://joo.kie.sk/?page_id=345
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
Re: Max bootable partition size on STM/STFM Tos 1.04
I would also cite PPutnik from here https://atariage.com/forums/topic/28461 ... nt=4148281
long story short, the limit of the boot partition seems to be related to the boot code stored on the MBR, that is read and executed by TOS. So it seems some drivers (I guess HDD driver and PP driver at least) can use 512MB partitions as boot partitions.
Of note also on this post, it is said the 32MB sized partition is the one format that is natively compatible with DOS (FAT16), thus may be useful for exchanging files ?
long story short, the limit of the boot partition seems to be related to the boot code stored on the MBR, that is read and executed by TOS. So it seems some drivers (I guess HDD driver and PP driver at least) can use 512MB partitions as boot partitions.
Of note also on this post, it is said the 32MB sized partition is the one format that is natively compatible with DOS (FAT16), thus may be useful for exchanging files ?
- rubber_jonnie
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Re: Max bootable partition size on STM/STFM Tos 1.04
Yes, I'd agree with what @sporniket said, and it prompted me to go and check one of my machines that uses HDDRIVER, and my C: partition is 512MB and is bootable.
I also set mine up with Windows compatibility, so I can see every partition on the SD card under Windows or MacOS. I know PPeras driver will do the same under Windows, so I assume under MacOS, though I haven't tested it, and I don't have a machine using it at the moment so I can't say re partition sizes like I can for HDDRIVER.
I also set mine up with Windows compatibility, so I can see every partition on the SD card under Windows or MacOS. I know PPeras driver will do the same under Windows, so I assume under MacOS, though I haven't tested it, and I don't have a machine using it at the moment so I can't say re partition sizes like I can for HDDRIVER.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
Re: Max bootable partition size on STM/STFM Tos 1.04
I use PPDrivers and my boot drive is 512MB.
Matt
Matt
Re: Max bootable partition size on STM/STFM Tos 1.04
I use HDDRiver v11.x and 512 meg partitions (including the
boot drive) with TOS v1.4 and up here are perfectly normal.
boot drive) with TOS v1.4 and up here are perfectly normal.
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- HigashiJun
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Re: Max bootable partition size on STM/STFM Tos 1.04
I think the "legend" limiting the boot partition to 16 MB, 32 MB or 256 MB comes from times when ICD Pro Driver was the unique choice, and was a real limit...
Drivers such as HDDriver and PPutnik let you set a boot partition which is only limited by TOS, i.e. 256 MB for TOS 1.00-TOS 1.02, 512 MB for TOS 1.04-TOS 3.xx and 1024 MB for TOS 4.0x.
I have 2 systems under TOS 2.06 and my boot partitions are 512 MB with HDDriver.
Drivers such as HDDriver and PPutnik let you set a boot partition which is only limited by TOS, i.e. 256 MB for TOS 1.00-TOS 1.02, 512 MB for TOS 1.04-TOS 3.xx and 1024 MB for TOS 4.0x.
I have 2 systems under TOS 2.06 and my boot partitions are 512 MB with HDDriver.
- rubber_jonnie
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Re: Max bootable partition size on STM/STFM Tos 1.04
Double checked my Mega 4 that uses IDE and a CF card rather than ACSI and 512MB with HDDRIVER. Not that I think it'd make a difference, just for the extra reference point.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...