After starting a full-screen DOS session, a screen with "C:\" appears as in the picture (see attachment).
After pressing any key, the screen closes and the popuplog.os2 is formed.
19.11.2020 22:58:30 SYS 0 PID 0038 TID 0001 Slot 00A7
C:\OS2\PMSHELL.EXE
16D7FFFF
EEF3FFFF
P1=FB92E113 P2=2F0CE14B P3=FF62F000 P4=FEE2E10E
EAX=00006247 EBX=0000FFFF ECX=0000E118 EDX=0000FEC2
ESI=000091C3 EDI=00001240
DS=0348 DSACC=1092 DSLIM=00010FFF
ES=FFFF ESACC=0000 ESLIM=00000000
FS=0000 FSACC=0000 FSLIM=00000000
GS=0000 GSACC=0000 GSLIM=00000000
CS:EIP=EB00:00000313 CSACC=0000 CSLIM=00000000
SS:ESP=FFFF:00000A74 SSACC=0000 SSLIM=00000000
EBP=00000A6A FLG=000A6212
What can be done?
Motherboard Asrock B85. Bios UEFI and compatible.