You'll look for pins on the board to instruct the drives which will be reading and which will be writing. That is my guess. Both need to work and have empty space. Probably the machine booted directly from some type of PXE, but maybe not. This gives you a hint: https://w2hx.com/x/SAIC%20V2LC/20200124_094105.jpg It must power up, that is a good sign. Good luck.
On Thu, Jun 25, 2020 at 4:13 PM Jon Elson via cctech <cctech@classiccmp.org> wrote: > On 06/25/2020 05:29 PM, W2HX via cctech wrote: > > Does ANYONE have any idea what these 4 wires are connected to and why? > And anyone give any odds about whether these 4 wires will prevent this > IDE-SD converter from working? > > > > > Temperature sensor and heater. Undoubtedly for start-up in > extreme cold conditions. > > Jon >
