| 1201 | DIAGS Error - Cannot detect presence of dual async adapter |
| 1202 | DIAGS Error - Card selected feedback error |
| 1203 | DIAGS Error - Port 102H failed register test |
| 1206 | DIAGS Error - Serial option cannot be put to sleep |
| 1207 | DIAGS Error - Cable error |
| 1208 | DIAGS Error - Async IRQ3 Error |
| 1209 | DIAGS Error - Async IRQ4 Error |
| 1210 | DIAGS Error - 16550 fails register test |
| 1211 | DIAGS Error - Internal wrap test of 16550 modem control lines failed |
| 1212 | DIAGS Error - External wrap test of 16550 modem control lines failed |
| 1213 | DIAGS Error - 16550 transmit error |
| 1214 | DIAGS Error - 16550 receive error |
| 1215 | DIAGS Error - 16550 receive data not equal transmit data |
| 1216 | DIAGS Error - 16550 interrupt function error |
| 1217 | DIAGS Error - 16550 failed baud rate test |
| 1218 | DIAGS Error - 16550 interrupt driven receive wrap test failed |
| 1219 | DIAGS Error - 16550 FIFO error |
| 1225 | DIAGS Error - 16550 fails register test |
| 1226 | DIAGS Error - Internal wrap test of 16550 modem control lines |
| failed | |
| 1227 | DIAGS Error - External wrap test of 16550 modem control lines failed |
| 1228 | DIAGS Error - 16550 transmit error |
| 1229 | DIAGS Error - 16550 receive error |
| 1230 | DIAGS Error - 16550 receive data not equal transmit data |
| 1231 | DIAGS Error - 16550 interrupt function error |
| 1232 | DIAGS Error - 16550 failed baud rate test |
| 1233 | DIAGS Error - 16550 interrupt driven receive wrap test failed |
| 1234 | DIAGS Error - 16550 FIFO error |