| 1101 | POST Error - 16550 async chip error |
| 1102 | DIAGS Error - Card selected feedback error |
| 1103 | DIAGS Error - Port 102H fails register test |
| 1103 | PC Convertible internal modem dial tone test 1 failure |
| 1104 | PC Convertible internal modem dial tone test 2 failure |
| 1106 | DIAGS Error - Serial option cannot be put to sleep |
| 1107 | DIAGS Error - Cable error |
| 1108 | DIAGS Error - Async IRQ3 Error |
| 1109 | DIAGS Error - Async IRQ4 Error |
| 1110 | DIAGS Error - 16550 fails register test |
| 1111 | DIAGS Error - Internal wrap test of 16550 modem control lines failed |
| 1112 | DIAGS Error - External wrap test of 16550 modem control lines failed |
| 1113 | DIAGS Error - 16550 transmit error |
| 1114 | DIAGS Error - 16550 receive error |
| 1115 | DIAGS Error - 16550 receive data not equal transmit data |
| 1116 | DIAGS Error - 16550 interrupt function error |
| 1117 | DIAGS Error - 16550 failed baud rate test |
| 1118 | DIAGS Error - 16550 interrupt driven receive wrap test failed |
| 1119 | DIAGS Error - 16550 FIFO error |