IceRiver KS Series Tester This test fixture can be used to test the Iceriver miner hashboard. Supported models include: Iceriver KS3 KS3M KS3L KS5L KS5M Supported ASIC chips include P2SG48, P2SM88, P37P57, P38C03, P49K68 and other models. The tester is powered by DC 12V, and the hashboard needs to be powered by a mining machine power supply or a high-power DC power supply. When testing the hashboard, please use a high-power DC power supply to power the hashboard. Instructions for use and Iceriver hashboard repair guide will be sent after purchase.