rfcs13	write check
rfcs12	data parity
rfcs11	nonexistent disk
rfcs10	write lockout
rfcs9	missed transfer

rfae15	address parity error
rfae14	A timing error
rfae13	B timing error
rfae12	C timing error
rfae10	nonexistent memory
rfae5	disk address overflow

rkds12	drive power low
rkds10	drive unsafe
rkds9	seek incomplete

rker14	overrun (disk address overflow)
rker13	write lockout
rker12	seek error
rker11	programming error
rker10	nonexistent memory
rker9	data late
rker8	timing error
rker7	nonexistent disk
rker6	nonexistent cylinder
rker1	checksum
rker0	write check

rpds12	header not found
rpds11	seek incomplete

rper15	write lockout
rper14	file unsafe
rper13	nonexistent cylinder
rper12	nonexistent track
rper11	nonexistent sector
rper10	program error
rper9	format error
rper8	mode error
rper7	longitudinal parity error
rper6	word parity error
rper5	checksum error
rper4	timing error
rper3	write check error
rper2	nonexistent memory
rper1	end of pack

tcst14	parity error
tcst13	mark track error
tcst12	illegal operation
tcst11	select error
tcst10	block missed
tcst9	data late
tcst8	nonexistent memory

mts15	illegal command
mts14	end of file
mts13	CRC error
mts12	parity error
mts11	data late
mts10	end of tape
mts9	record length error
mts8	bad tape
mts7	nonexistent memory
