VOGONS

Common searches


Search results

Display options

Re: What modern activity did you get up to today?

in Milliways
I take it "frozen tundra" is nowhere near Buffalo, guy on Craigslist has a bunch of cases $5 a pop. I have seen ppl string up their boards on the wall though, like a dissected insect lol nails/screws and zipties. Nope. Wisconsin. :) Sadly, the area around me lacks a good selection of PC tech, …

Re: PCChips M575 - repair help - need a few V readings

in Milliways
Readings: with PSU on 1. 3.3V pin of the voltage selector for SIMM ram (close to slots) 2. CS4986 chip, close by simm (see pics down), pins 1 and 49 3. mosfets readings with and without cpu inserted (single voltage i.e.) ... Hello, 1. JP4 (both A and B) in 3.3v position - measured 3.5V on jumpers; …

Re: PCChips M575 - repair help and advice

in Milliways
1. I lifted Source lead and no Output. Other two leads values' don't change. I removed the FD3055 and tested it. Resistance between Gate and Drain is 5K ohms. Between Source and other two is nothing, over 20M ohms. I deem it dead. If anyone knows how to read the schematics, please confirm. Thanks …

Re: PCChips M575 - repair help and advice

in Milliways
PCChips rebranded/renamed everything. CS**** chip came with Cypress production markings but no reference on the net, maybe a custom production? After finding the pinout with my multimeter... ... I dug a bit into the frequency generators and found that Cypress has a lot of CY**** model numbers for …

Re: PCChips M575 - repair help and advice

in Milliways
I made a mistake and reported the wrong voltage to the Clock Generator, the CS4968AM. From measurements it is connected to the 3,3V that supplies the whole area, including ram slots. Reading is 1,16V. The Mosfet responsible for this voltage is a FD3055 (supplied by PSU +5V that reads +5,20V) S=+1, …

PCChips M575 - repair help - need a few V readings

in Milliways
Readings: with PSU on 1. 3.3V pin of the voltage selector for SIMM ram (close to slots) 2. CS4986 chip, close by simm (see pics down), pins 1 and 48 3. mosfets readings with and without cpu inserted (single voltage i.e.) Hello people!! I bought this board with a P200 MMX. https://theretroweb.com/ …

Page 1 of 89