diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/conf/NOTES | 7 | ||||
| -rw-r--r-- | sys/i386/conf/NOTES | 7 |
2 files changed, 12 insertions, 2 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 4b167b4769ee..ee97f0357af1 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -884,9 +884,14 @@ options _KPOSIX_VERSION=199309L options HZ=100 -# Other clock options +# CLK_CALIBRATION_LOOP will run the clock calibration loop at startup +# until the user presses a key. options CLK_CALIBRATION_LOOP + +# The following two options measure the frequency of the corresponding +# clock relative to the RTC (onboard mc146818a). + options CLK_USE_I8254_CALIBRATION options CLK_USE_TSC_CALIBRATION diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES index 4b167b4769ee..ee97f0357af1 100644 --- a/sys/i386/conf/NOTES +++ b/sys/i386/conf/NOTES @@ -884,9 +884,14 @@ options _KPOSIX_VERSION=199309L options HZ=100 -# Other clock options +# CLK_CALIBRATION_LOOP will run the clock calibration loop at startup +# until the user presses a key. options CLK_CALIBRATION_LOOP + +# The following two options measure the frequency of the corresponding +# clock relative to the RTC (onboard mc146818a). + options CLK_USE_I8254_CALIBRATION options CLK_USE_TSC_CALIBRATION |