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Posted By: Andy Sixsmith
Posted On: Saturday March 21, 2020 at 9:44 AM
 
Message:
Sounds very familiar, John. I remember a switch on our tape drives that said "High Density/Low Densi
Density". Low D was 200 BPI (bits per inch) and High was 556 BPI. Today our phones have more firepower than that whole system.

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Message thread:

The times they are a-chagin' by John Kuvakas #47343Moderator
Yep! And the room it was housed in required dedicated air conditioning and controlled humidity...... by John Bono #47343.1
First computer I ever ran was an IBM 1401 mainframe system. The CPU had, get ready, 4K. (EOM) by Andy Sixsmith #47343.2
I ran the 16K version with 4 tape drives, 2540 card reader/punch and a 1403 printer. Ours also had by John Bono #47343.2.1
Sounds very familiar, John. I remember a switch on our tape drives that said "High Density/Low Densi by Andy Sixsmith #47343.2.1.1
For sure! (EOM) by John Bono #47343.2.1.1.1




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