Checkpoint Description Action/
Possible Failing FRU
E1B2 Description: XOFF received - waiting for XON
Action:
1. The system firmware is waiting for a virtual terminal to be opened on the HMC; open
a virtual terminal.
2. If a virtual terminal is open, the user might have entered a CTRL-S key sequence to
stop the scrolling of data off of the screen. If this is the case, enter a CTRL-Q key
sequence to resume scrolling.
3. Check the serial connection between the HMC and the managed system.
4. Reboot the HMC.
5. There may be a hardware problem with the HMC. Refer to the IBM Hardware
Management Console for pSeries Maintenance Guide.
6. There may be a hardware problem with the service processor in the managed
system. Check the service action event log in Service Focal Point for error codes that
indicate a problem with the serial ports on the service processor. (The service
processor is at location U0.1-P1.) Take the appropriate actions based on the error
codes that are found.
E1B3 XON received This checkpoint will flash by too quickly to
be seen on the operator panel. It may be
recorded in the progress indicators log,
which is accessed using the service
processor menus.
If a partition hangs on this checkpoint:
1. Check for platform firmware updates.
Apply if available.
2. Call service support.
E1B6 Probe for (ISA) keyboard Replace the CEC backplane,
Location: U0.1-P1.
E1BD Probe for (ISA) mouse Replace the CEC backplane,
Location: U0.1-P1.
E1C4 Build ISA timer chip node Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E1C5 Create ISA interrupt controller (pic) node Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E1C6 Create DMA node Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E1D0 Create PCI SCSI node Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E1D3 Create SCSI block device node (SD) Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E1D4 Create SCSI byte device node (ST) Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E1DB Create floppy controller (FDC) node Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
172 Eserver pSeries 630 Model 6C4 and Model 6E4 Service Guide
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