Compaq Portable 286 Compaq Portable Computer, Compaq Plus Personal Computer, a - Page 29

1101 - 02 1101 - 03 1101 - 04 1101 - 05 Serial Port Test, Line input or UART fault Serial Port Test, Address line fault Serial Port Test, Data line fault Serial Port Test, UART control signal 1. Check diskette/tape controller board for proper shunt jumper settings (see Chapter 8). * 2. Replace the diskette/tape controller board. 3. Replace the system board. * 286 based COMPAQ Personal Computers only 1101 - 06 Serial Port Test, ART THRE bit failure 1101 - 07 Serial Port Test, UART DATA READY bit failure 1101 - 08 Serial Port Test, UART TX/RX buffer failure 1101 - 09 Serial Port Test, INTERRUPT circuit failure 1101 - 10 Serial Port Test, COM 1 set to interrupt 3 Error Error Required Code Description Action Serial 11yy - xx 1101 - 11 Serial Port Test, COM 2 The following steps apply to all set to interrupt 4 11yy - xx related error codes: 1101 - 12 1101 - 13 1101 - 14 Serial Port Test, DRIVER/RECEIVER control signal failure Serial Port Test, UART control signal interrupt failure Serial Port Test, DRIVER/RECEIVER data failure 1. Check diskette/tape controller board for proper shunt jumper settings (see Chapter 8). * 2. Replace the diskette/tape controller board. 3. Replace the system board. * 286 based COMPAQ Personal Computers only 1109 - 01 Serial Clock Test, register initialization failure 1109 - 02 Serial Clock Test, register rollover failure 1109 - 03 Serial Clock Test, clock reset failure 1109 - 04 Serial Clock Test, input line or clock failure 1109 - 05 Serial Clock Test, address