I have found the same. Comes up dead. I agree, the T1 must be looking for the pool support of asicboost. Not sure what that entails.

Has anyone been able to connect a Halong T1 to prohashing? My attempts have so far failed. URL: stratum+tcp://prohashing.com:3333 Worker: myworkername Password: a=sha-256 Note, the Halong interface will not accept the URL w/o the prefix "stratum+tcp://". On Bitmain ASICS the prefix is opti...

Try contacting this group: https://www.asicboost.com/

They claim consulting expertise for "The adaption of your mining pool protocol for AsicBoost. SERVICES We provide design services on request around mining with AsicBoost such as RTL, firmware components, mining software, pool software."