IBM 8688 manual Parameter Action, Keystroke Scan Code Ascii Code

To run the test, complete the following steps:

1.Select Device Test from the USB menu, and press Enter.

2.Select USB Keyboard Test, and press Enter. The following test parameters appear:

Parameter	Action
Test This Device	To run the USB Keyboard Test, select YES, and press Enter.
PnP Test	Select YES to run the USB Keyboard Plug and Play (PnP) Test. This
	test makes sure that the USB keyboard Plug and Play feature works
	properly. The Plug and Play feature automatically configures the USB
	device when the device is attached to the server.

USB Keyboard Control Test: To test the USB keyboard controller, complete the following steps:

1.Select USB from the main menu, and press Enter.

2.Select USB Keyboard Test, and press Enter.

3.Select USB Keyboard Control Test, and press Enter.

USB Keyboard Code Test: The USB Keyboard Code test determines if a pressed key matches the Scan and ASCII codes for that key. Every time you press a key to verify its code, both the scan code and ASCII code of the pressed key is displayed. The key symbol is also displayed.

Perform this test to identify faulty keys.

To run the test, complete the following steps:

1.Select USB from the main menu, and press Enter.

2.Select USB Keyboard Test, and press Enter.

3.Select USB Keyboard Code Test, and press Enter to display a keyboard layout. Scan code and ASCII code appear above the keyboard layout.

4.Press the keys on the keyboard. The scan codes and ASCII codes display in the appropriate fields for each key as it is pressed. Use this test to verify the codes with their respective keys. Use the tables on pages 54 through 59 for the correct scan and ASCII codes.

5.Press Ctrl+Break to exit this test.

Use the following tables to verify that the displayed scan and ASCII codes are correct.

Table 3. Lower case keyboard scan/ASCII codes

Keystroke	Scan Code	ASCII Code	Keystroke	Scan Code	ASCII Code
Esc	01	1B	1	02	31
2	03	32	3	04	33
4	05	34	5	06	35
6	07	36	7	08	37
8	09	38	9	0A	39
0	0B	30	-	0C	2D
=	0D	3D	Backspace	0E	08
Tab	0F	09	q	10	71

54IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide