VAX 780 on eBay

Zane Healy healyzh at
Sun Jan 2 19:18:24 CST 2022

> On Jan 2, 2022, at 5:11 PM, Grant Taylor via cctalk <cctalk at> wrote:
> On 1/2/22 5:20 PM, Chris Zach via cctalk wrote:
>> I keep thinking about it, but no. The 780 was neat from a historical perspective, and the 785 at UMBC (UMBC5) ran Ultrix (and was on the ARPANET, not the crappy Bitnet the 8600's were on)
> Is that Bitnet as in the Because it was there network that many IBM mainframes were on?
>> but the 780 was really slow. I have a Microvax II here that would equal it CPU speed-wise, and the running of the main memory on the SBI was cool for the 782 option but was pretty slow.
> Can I ask for a rough translation in to comparative VAX Units of Performance (VUPs)?  I /think/ that the VAX 11/780 was 1 VUP.

VAX-11/780 = 1 VUP
VAX-11/782 = 1.8 VUP
MicroVAX 1 = 0.3 VUP
MicroVAX 2 = 0.7 VUP


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