NEC VERSA 6000 Series Service Manual page 79

Beep Diagnostic Description
Code
Code
4-4-3 3Eh Math coprocessor test in
progress or failure.
Table 3-3 BIOS Beep Codes
Test Performed
An integer load and store is performed
with the math coprocessor. If the
values do not match, an error message
will be displayed and POST will
continue.
Troubleshooting and Repair 3-11