3.4 System TestSystem Test 3 Tests and Diagnostics
3.4 System Test
To execute the System Test, select 1-SYSTEM TEST from the DIAGNOSTIC TEST
MENU, press Enter and follow the directions on the screen. The System test contains seven
subtests. Move the highlight bar to the subtest you want to execute and press Enter.
Subtest 01 ROM Checksum
This subtest executes a checksum test of the BIOS ROM (range: F0000h to
FFFFFh, 64KB) on the System Board.
Subtest 04 Fan On/Off
This subtest checks CPU fan operation using the on/off command. The
following message will appear when this subtest is executed. Make sure the
fan does not rotate and press Enter.
*** Test Fan Revolution 0000RPM Start
The following message will appear. Make sure the fan rotates at low speed
and press Enter.
*** Test Fan Revolution Low speed start
The following message will appear. Make sure the fan rotates at high speed
and press Enter.
*** Test Fan Revolution High speed start
Subtest 05 Gerserville
If the CPU supports Gerserville (SpeedStep), this Subtest checks that the CPU
operating clock speed can be changed.
Subtest 06 Quick charge
This subtest checks the status for the quick charge.
PORTEGE R100 Maintenance Manual (960-440) 3-9
