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Service Hints & Tips

Document ID: MCGN-3KAJPC

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IBM PC300XL - ECA012: Errors, system hangs on first boot of Windows 95 - "IOS/Disk Full Error" ECA

Applicable to: World-Wide

PURPOSE:
The purpose of this ECA is to provide a solution to a system hang and/or IOS/Disk Full error that may occur during the initial boot-up on certain IBM PC6588-12U systems preloaded with Windows95.

PHYSICAL CHECK:
Affected systems are limited to IBM PC6588-12U systems manufactured on or before July 10, 1997 and within the following serial number ranges:

6588-12U PC300-XL Serial Numbers 23-AAA90 to 23-AAK17
6588-12U PC300-XL Serial Numbers 23-NNA00 to 23-NNF96

PREREQUISITES:
None

COMPANION:
None

CONCURRENT:
None

DETAIL:
During the initial boot-up of IBM PC6588-12U systems preloaded with Windows95, the user may see an error message or hang condition similar to the following examples:

A "Cannot write to registry file, disk full" error message
An IOS Error: "Error: An I/O subsystem driver failed to load"
A hang condition at the "Setting Up Hardware" window
A hang condition at the main Windows95 logo screen
A Windows Protection Error message

NOTE:
If the system HAS NOT been powered on for the first time and booted to the Windows95 operating system, perform steps 2-7 in STEP 1 below to prevent these errors from occurring.

A limited number of 6588-12U systems may experience problems following the initial boot of the Windows95 preload. Those systems that manifest problems can be recovered by following the fix procedures below.

STEP 1:
1. Power off the system.
2. Power the system back on and press F1 for the Setup Utility.
3. Highlight "Start Options" and press <Enter>.
4. Highlight "Configuration Mode" then use the arrow keys to select "Use BIOS Setup" and press <Enter>.
5. Highlight "Exit Setup" and press <Enter>.
6. Highlight "Yes, save and exit the Setup Utility" and press <Enter>.
7. Optional: If the Microsoft Windows95 Startup Menu Option is displayed when rebooting after following this procedure, select option "#1. Normal."

Some 6588-12U systems that experienced problems on the initial boot of Windows95 have Device Manager conflicts. Yellow caution indicators will appear underneath the "Sound, Video, and Game Controllers" section beside the "Creative Labs Sound Blaster Pro" and the "Crystal PnP Audio System CODEC" devices. Those systems can be correctly configured by following the procedure below.

STEP 2:
1. From the Windows95 desktop, right click the "My Computer" icon and select "Properties."
2. From the System Properties Menu, select the "Device Manager" tab.
3. Highlight the "Creative Labs Sound Blaster Pro" device underneath the "Sound, video, and game controllers section and select Remove.
4. Select Close from the System Properties Window.
5. From the Taskbar select Start, then select Shutdown, then select "Restart the Computer?" and choose Yes.
6. As the system is rebooting, press F1 for the Setup Utility.
7. Highlight "Start Options" and press <Enter>.
8. Highlight "Configuration Mode" then use the arrow keys to select "Use PNP OS" and press <Enter>.
9. Press <Esc>, then highlight "Exit Setup" and press <Enter>.
10. Highlight "Yes, save and exit the Setup Utility" and press <Enter>.
11. After the Windows95 desktop is displayed, select Start, then select Shutdown, then select "Restart the Computer?" and choose Yes.
12. As the system is rebooting, press F1 for the Setup Utility.
13. Highlight "Start Options" and press <Enter>.
14. *Highlight "Configuration Mode" then use the arrow keys to select "Use BIOS Setup" and press <Enter>.
15. Press <Esc>, then highlight "Exit Setup" and press <Enter>.
16. Highlight "Yes, save and exit the Setup Utility" and press <Enter>.

NOTES:
*Configuration Mode is set back to "Use BIOS Setup" in order to maintain compatibility with system management software.

If at anytime during this procedure Windows95 will not allow the steps to be followed because of hang conditions or other error messages, contact the IBM PC HelpCenter in the USA at 1-800-772-2227 or your local IBM Service Support Representative.

This ECA will expire on July 31, 1998.

-Windows and Windows95 are trademarks of Microsoft Corporation

SAS KEYWORDS:
PSY2 PSY2OPER PSY2PROG PSY2ERR
PSVP PSVPOPER PSVPPROG PSVPERR
D/T6588 PC300XL PC300-XL 6588
UNCLASSIFIED

	Search Keywords
	Hint Category	ECA, Retain, Windows 95
	Date Created	24-07-97
	Last Updated	24-02-99
	Revision Date	23-02-2000
	Brand	IBM PC
	Product Family	PC 300XL
	Machine Type	6588
	Model	12U
	TypeModel
	Retain Tip (if applicable)	H16501, ECA012
	Reverse Doclinks and Admin Purposes