breakRecd - Break received (SCC)

rcvrErr - SCC receiver error (framing; parity; OR)

prInitErr - InitUtil found the parameter ram uninitialized

prWrErr - parameter ram written didn't read-verify

clkWrErr - time written did not verify

clkRdErr - unable to read same clock value twice

verErr - track failed to verify

fmt2Err - can't get enough sync

fmt1Err - can't find sector 0 after track format

sectNFErr - sector number never found on a track

seekErr - track number wrong on address mark

spdAdjErr - unable to correctly adjust disk speed

twoSideErr - tried to read 2nd side on a 1-sided drive

initIWMErr - unable to initialize IWM

tk0BadErr - track 0 detect doesn't change

cantStepErr - step handshake failed

wrUnderrun - write underrun occurred

badDBtSlp - bad data mark bit slip nibbles

badDCksum - bad data mark checksum

noDtaMkErr - couldn't find a data mark header

badBtSlpErr - bad addr mark bit slip nibbles

badCksmErr - addr mark checksum didn't check

dataVerErr - read verify compare failed

noAdrMkErr - couldn't find valid addr mark

noNybErr - couldn't find 5 nybbles in 200 tries

offLinErr - r/w requested for an off-line drive

noDriveErr - drive not installed