System Test - Toshiba T2100 Series Maintenance Manual

3.4

System Test

To execute the System Test select 1 from the DIAGNOSTIC TEST MENU, press Enter and
follow the directions displayed on the screen. Move the highlight bar to the subtest you want
to execute and press Enter .
Subtest 01 ROM checksum
The ROM checksum tests the system board from address F0000h to FFFFFh
(64KB).
Subtest 02 H/W status
This test reads and displays the hardware status as shown below:
Table 3-2 lists the hardware bit status for each bit tested. Pressing Enter
returns you to the Subtest Menu.
CPU clock speed
3-8
CPU clock
Notch signal = 2HD
Table 3-2 Hardware bit status
H/W status
Media type
= 25MHz
1 0
50 MHz 25 MHz
2HD 2DD
T2100 Series