I999 IML ERRORS (Model 90 & 95)

The 8590/95 systems maintain BIOS/ABIOS on the default fixed disk. If this information is missing or inaccessible during the IML (initial microcode load) of the fixed disk, the result will be an I999xxxx error displayed on the information panel and/or display. The system will be inoperative until the error condition is corrected.

Note: The default fixed disk is the drive configured as SCSI device ID=6, determined by the drive address switches or jumpers. Use "set configuration/view configuration" to verify the default drive SCSI ID.

Most I999xxxx errors can be corrected without hardware replacement. The following steps will correct most I999xxxx errors:

Ensure that the selectable boot sequence is valid.
- boot the backup reference diskette.
- select "set features" from the main menu.
- select "set startup sequence."
- check the list of devices in the "set startup sequence."
  - is the default fixed disk listed in the startup sequence?
    - yes: return to the main menu and continue with steps 2 & 3.
    - no: "change" and "save" the startup sequence to include the default fixed disk (6,0), then turn off the computer. (the changes are effective at the next power-on.)
- o if an I99900xx error occurs again at power-on, continue with steps 2 & 3.
Run diagnostics from the reference diskette.
- test the default fixed disk and scsi adapter.
- error code? if yes, replace the failing FRU otherwise continue
Restore the system partition.
- boot the customers reference diskette.
- select "backup/restore system programs."
- select "restore the system partition."
- follow instructions on the screen.
IML to fixed disk successful? Hardware is now functional and customer software should successfully load.
Verify that operating system software is installed (DOS, OS/2, etc.) -the operating system must be installed on one of the devices in the startup sequence (normally fixed disk drive "c" which is SCSI ID=6).

The following error codes and corresponding recommended actions, may be encountered by customers and/or servicers.

The errors listed below may be corrected by restoring the system partition: Refer to step 3 above.

I999001x	No valid disk IML record was found on the fixed disk.
I999002x	Disk IML record load (read) error.
I999003x	Disk IML record incompatible with planar.
I999004x	Disk IML record incompatible with processor card.
I999005x	Disk IML not attempted.
I999006x	Disk stage ii image load (read) error.
I999007x	Disk stage ii checksum (read) error.

The errors listed below can be corrected by restarting the system using a good system reference diskette:

I99900x1	Invalid diskette IML record
I99900x2	Diskette IML record load (read) error
I99900x3	Diskette IML record incompatible with planar.
I99900x4	Diskette IML record incompatible with processor card.
I99900x6	Diskette stage 2 image load (read) error.
I99900x7	Diskette stage 2 image checksum error.
I99900x5	Diskette IML recovery prevented (valid password and CE override jumper not set). action: Power-down, Toggle CE override on system planar (J10 on the 8590), (J16 on the 8595), Power-up.
I9990301	No bootable device. Action: restart using a good bootable operating system diskette.
I9990302	Invalid disk boot record. Action: restart using a good bootable operating system diskette (i.e., dos); install operating system on fixed disk.
I9990303	System partition boot failure. Action: using system backup reference diskette, restore system partition.
I9990304	No bootable device with ASCII console. Action: restart the system using bootable operating system diskette.

The following errors normally require processor FRU replacement:

I9990401	Unauthorized access.
I9990402	Missing ROM IBM copyright notice
I9990403	Non-IBM IML routine
I9990600	IML overlay logistics error
I9990607	IML overlay checksum error
I9990609	IML overlay id error

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