IBM 1400 (2611) manual Utility Program Diskette, Running USB Register and Connection, Setting

Running USB Register and Connection

Test: Boot from the Diagnostic Program Diskette and

select	"Running USB Connect/Disconnect Test" from PC
DOS 7.0	Startup	Menu.	Follow the instructions on the
screen	to execute the USB test. If the test f
“System	Board	Check”	on page 27.

Utility Program Diskette

The Utility Program Diskette provides the three fol functions:

Ÿ “Setting the Inverter ID”

Ÿ “Setting the Thermal Sensor”

Ÿ“Writing the VPD Data” on page 55

Setting		the	Inverter ID:	There is an EEPROM in
the	inverter, which store its supported				LCD	type a
code.		If	you replace	the LCD with one	of	a dif
the	ID information in the inverter EEPROM should be
updated.

Follow the steps below to set the LCD inverter ID:

1.Boot from the Utility Program Diskette.

2.Select Panel ID Diagnostic from PC DOS 7.0 Startup Menu.

3.Follow the instructions on the screen to read t

current ID Code or to set a new inverter ID

Note: When	you	set	a new inverter		ID and	the
LCD is	not	yet	enabled	(to	function),	conne
an external CRT to see				the	program execut
process.

Attention: Make sure that the new ID code you choose corresponds to the LCD brand and type. you write a wrong ID into the inverter, just r re-execute the program and input the correct I

4.Restart the computer — the new LCD should work normally.

Note: If the LCD has no display after changing the code, make sure you write the correct ID c try reconnecting the LCD FPC cable connectors.

Setting the Thermal Sensor: The system is

equipped with sensors to protect against system ove heating. By setting the system and processor therma thresholds, the system can turn on the cooling Fan AS shut down automatically when the temperature reaches defined threshold parameters.

System experiencing frequent auto sensor shutdown may need to reset the thermal sensor threshold.

Follow the steps below to set the thermal threshold:

54 ThinkPad i Series 1400 HMM