Record number: H163036 Device: D/T6561 Model: M Hit count: UHC00000 Success count: USC0000 Publication code: PC50 Tip key: Date created: O98/03/16 Date last altered: A98/03/16 Owning B.U.: USA Abstract: SYSTEM HANG DURING FLASH BIOS UPDATE SYMPTOM: During a flash BIOS update, the system enters into a hang condition and will not respond to further input (, , etc.). PROBLEM ISOLATION AIDS: This tip applies to IBM PC300GL Series 6561/6591 systems only. FIX: To recover from the hang condition and reflash the system, complete the following steps: 1. Power off the system, disconnect the AC power cord, and remove the top cover. 2. Find jumpers J6C1 and J7H1 located to the right of the processor assembly. 3. Move both jumpers from their default positions on pins 1&2 to pins 2&3. 4. With the flash BIOS diskette inserted in drive A:, reconnect the AC power cord and power on the system. (Note: On machine type 6561 you will need to use a pencil to reach the power button with the top cover removed.) 5. Follow the on-screen instructions for updating the system BIOS as directed. After the BIOS update is completed and the message to restart the computer is displayed, power off the system, disconnect the AC power cord, and remove the diskette from drive A:. 6. Move both jumpers back to their default positions on pins 1&2. 7. Replace the top cover, reconnect the AC power cord, and power on the system. (Note: Any user specified changes to BIOS settings will have been reset to their default values at this point. Press to run the Setup utility to reset any user specified changes.) SAS KEYWORDS: PSY2 PSY2MCD PSVP PSVPMCD D/T6561 D/T6591 6561 6591 UNCLASSIFIED