IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 169

Service guide

Table of Contents

Table 2. Firmware Checkpoints (continued)

Initialize Super I/O

Probe ISA bus

Reboot after flash

Create service processor node

Create tablet node

Create NVRAM node

Real-time clock (RTC) initialization

See description of checkpoint

Create lpt node

Create serial node

Create audio node

Create 8042 node

Probe for (ISA) keyboard

Probe for (ISA) mouse

Create pwr-mgmt node

Build ISA timer chip node

Create ISA interrupt controller (pic)

Create DMA node

Create PCI SCSI node

Create SCSI block device node

Create SCSI byte device node (ST) Perform Repair actions from

Create floppy controller (FDC) node Replace the primary I/O backplane.

Possible Failing FRU

See the note on page 139.

Try to boot system a second time.

If this does not work, replace the

primary I/O backplane.

See the note on page 139.

Refer to error code 28030xxx in

"Firmware Error Codes" on

See the note on page 139.

Perform Repair actions from

checkpoint E156.

Perform Repair actions from

checkpoint E156.

See the note on page 139.

Chapter 4. Checkpoints