- VCF South West - June 14 - 16, Davidson-Gundy Alumni Center at University of Texas at Dallas
- VCF West - Aug 2 - 3, Computer History Museum, Mountain View, CA
- VCF Midwest - Sept 7 - 8 2024, Schaumburg, IL
- VCF SoCal - Mid February 2025, Location TBD, Southern CA
- VCF East - April 2025, Infoage Museum, Wall NJ
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ef1j95's latest activity
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Were you able to get the full user's manual for the VB1(A)? or just these two pages? I have just finished resurrecting a VB1C and VB1B... -
ef1j95 replied to the thread Did the MITS Altair 4K Board Not Work Back In The Day?.I have SSM, Vector Graphic, and Duston 8K boards in my IMSAI. Lots of 2102s. Those last two are notable because they show up in Ward...
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ef1j95 reacted to Chuck(G)'s post in the thread Did the MITS Altair 4K Board Not Work Back In The Day? with
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At least one of my 8K boards is from SSM. Basically 64 1Kx1 SRAMs of the 2102 persuasion. -
ef1j95 replied to the thread Did the MITS Altair 4K Board Not Work Back In The Day?.Manes' biography of Gates has some good details about the MITS DRAM boards and MITS economics at the time (chapters 5 and 6). The RAM...
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Under the typical 40mA load the 8080 draws on its Vdd 12V supply, the unloaded output of the resistor/Zener diode "regulator" on the...
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ef1j95 replied to the thread Building a Clone MITS 8800.Been following along, enjoying the discussion. I'm in the final assembly stages of an Altair 8800c, too. I'm waiting on Q1 (2N4410)...