I recently downsized out of a larger case into the new Lian Li Lancool 2 Mesh Performance. I'm generally quite happy with the case, but struggling to figure out the built-in fan hub.
The hub itself can be seen here (about halfway down the page): https://www.lian-li.com/lancool-ii-mesh-performance/ This is for fan speed; not RGB.
In theory, the hub has three fixed settings, controlled by a front panel slider, and then a fourth setting linked to the motherboard. The fixed settings (low, medium, 100%) work just fine. The linked setting does not: it just runs at 100 percent, and shows nothing at all on whatever fan header it is attached to.
In terms of a connections, there is a 4-pin fan cable that is supposed to run from a motherboard fan header to the front panel PCB, alongside a SATA power connection. Then there is a 4 pin connection from the front panel to the fan hub. I assume that in fixed mode, the front panel generates its own power signal to the hub, while when linked it is supposed to pass through the PWM signal from the motherboard.
The issue, is that none of this seems to be recognized by any of the motherboard headers. I have an ASUS Z170 Premium board and all fan headers are in PWM mode in BIOS. I've tried fan control through both AISuite and SpeedFan, and neither shows any connection at all on the header the front panel is connected to. And seemingly good reason: the four pin cable from the front panel to the header only has three wires, and is missing the RPM wire. In effect, there is no RPM signal going back to the motherboard, nor does it seem that one was intended (it is shown with 3 wires in the documentation). Without a RPM signal coming back, neither AISuite nor SpeedFan seem to recognize that there is anything for them to control by way of the PWM signal and simply show 0 RPM while the fans on the hub run at 100%. Simply reducing the percentages in SpeedFan on the relevant headers likewise has no effect.
Am I missing something terribly obvious, or does anyone have an idea how this is supposed to work? Is there some way for the fan headers to be sending out PWM control signals without a RPM signal coming back?
I could, of course, simply bypass the hub and plug everything into the motherboard headers for automatic control. But then I have a slider on the front panel that doesn't function, which is irritating. And the mystery is something I'd like to solve, given that it is supposed to be able to link to motherboard PWM control....
GS
The hub itself can be seen here (about halfway down the page): https://www.lian-li.com/lancool-ii-mesh-performance/ This is for fan speed; not RGB.
In theory, the hub has three fixed settings, controlled by a front panel slider, and then a fourth setting linked to the motherboard. The fixed settings (low, medium, 100%) work just fine. The linked setting does not: it just runs at 100 percent, and shows nothing at all on whatever fan header it is attached to.
In terms of a connections, there is a 4-pin fan cable that is supposed to run from a motherboard fan header to the front panel PCB, alongside a SATA power connection. Then there is a 4 pin connection from the front panel to the fan hub. I assume that in fixed mode, the front panel generates its own power signal to the hub, while when linked it is supposed to pass through the PWM signal from the motherboard.
The issue, is that none of this seems to be recognized by any of the motherboard headers. I have an ASUS Z170 Premium board and all fan headers are in PWM mode in BIOS. I've tried fan control through both AISuite and SpeedFan, and neither shows any connection at all on the header the front panel is connected to. And seemingly good reason: the four pin cable from the front panel to the header only has three wires, and is missing the RPM wire. In effect, there is no RPM signal going back to the motherboard, nor does it seem that one was intended (it is shown with 3 wires in the documentation). Without a RPM signal coming back, neither AISuite nor SpeedFan seem to recognize that there is anything for them to control by way of the PWM signal and simply show 0 RPM while the fans on the hub run at 100%. Simply reducing the percentages in SpeedFan on the relevant headers likewise has no effect.
Am I missing something terribly obvious, or does anyone have an idea how this is supposed to work? Is there some way for the fan headers to be sending out PWM control signals without a RPM signal coming back?
I could, of course, simply bypass the hub and plug everything into the motherboard headers for automatic control. But then I have a slider on the front panel that doesn't function, which is irritating. And the mystery is something I'd like to solve, given that it is supposed to be able to link to motherboard PWM control....
GS