IBM Mainframe update

Mike Ross tmfdmike at
Sat Jul 4 14:37:45 CDT 2015

it definitely had at least one SCSI controller, maybe two (SE and
diff); it was a SCSI-based machine. I can't recall if it had SSA, but
a controller could obviously be fitted...


On Sat, Jul 4, 2015 at 2:38 PM, Fred Cisin <cisin at> wrote:
> On Sat, 4 Jul 2015, Mike Ross wrote:
>> Now I haven't powered it up since I got it... over ten years ago now! But
>> in my basement I have a no-brand vanilla PC... which allegedly has special
>> internal IBM software on it, which allows the user to low-level reformat
>> standard IBM drives to have 524 byte sectors for mainframe use; it was
>> given to me for this specific purpose.
>> I'll drag it out and test it at some point!
> In addition to the special software, what kind of disk controller does it
> have?

'No greater love hath a man than he lay down his life for his brother.
Not for millions, not for glory, not for fame.
For one person, in the dark, where no one will ever know or see.'

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