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BQ33100. Can't change flash values

Other Parts Discussed in Thread: BQ33100

Hi. I made a supercap charger and trying to get it working. Currently i'm stuch trying to configure bq33100. This charger should be configured to use 2 series supercaps, internal temp sensor, stack balancing, max stack voltage 5.2v.

I'm using a TI BQ Gas Gauge Evaluation Software. Chip is unsealed. Actual battery pack voltage = 4400mv, input voltage before chg fet = 5200mv. When I'm trying to change Data Flash -> Configuration -> Opertion cfg from 0408 to 0101 I got red input box with old 0408 value.

I tried to export flash data to .gg file, change it and import back but after write all I got 0408 again. I downloaded bq33100 firmware, switched chip into ROM mode and flashed bq33100.senc (from TI site) but this didn't help.

I know that flash writes are disabled when stack voltage < Flash update OK voltage (=4000mv) and software shows stack voltage = 465mv. It looks like the problem is in calibration, but I couldn't clibrte it 

Is there any way to get it configured ???