System Test - Toshiba T200 User Manual

3.4

System Test

To execute the System Test, select 1 from the DIAGNOSTIC TESTS menu and tap or press
Enter. The system test contains three subtests. Select a subtest and tap or press Enter .
Subtest 01 ROM checksum
ROM checksum tests the system board from address F0000h to FFFFFh
(64KB).
Subtest 02 H/W status
This test reads and displays hardware status as shown below:
H/W status =
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Table 3-2 lists hardware bit status for each bit tested. Press Enter to return to
the Subtest Menu.
Bit
7 Reserved
6 CPU clock speed
5 Media type
4 FDD type
3 Reserved
2 Drive A/B
1 External FDD
0 Internal FDD
3-8
76543210
10001000
...
... CPU clock
... Notch signal
... FDD type
...
... Drive A/B
... External FDD
... Internal FDD
Table 3-2 Hardware Bit Status
H/W status
=
= 40MHz
= 2HD
= 2MB
=
= Ext. = B
= OFF
= 2HD
1
—
20 MHz 40 MHz
2DD
1.6 MB 2 MB
—
Ext. = A Ext. = B
ON
2DD
0
—
2HD
—
OFF
2HD
T200, T200CS