Compaq AlphaServer ES40 Service Manual page 91

A few SROM error messages that appear on the operator control panel are
announced by audible error beep codes, an indicated in Table 3–1. For example,
a 1-1-4 beep code consists of one beep, a pause (indicated by the hyphen), one
beep, a pause, and a burst of four beeps. This beep code is accompanied by the
message "ROM err."
Related messages are also displayed on the console terminal if the console
device is connected to the serial line and the SRM console environment
variable is set to serial.
Power-Up Diagnostics and Display 3-23