Expansion Test - Toshiba satellite A20 series Maintenance Manual

3 Tests and Diagnostics
3

3.14 Expansion Test

To execute the expansion test, select 11 from the DIAGNOSTICS TEST MENU, press Enter
and follow the directions on the screen. The expansion test contains two subtests.
NOTE: To execute this subtest, the PC card wraparound connector is required.
Subtest 01 PCMCIA Wraparound
This test checks the following signal line of the PC card slot:
Address line
REG#, CE#1, CE#2 line
Data line
Speaker line
Wait line
BSY#, BVD1 line
This subtest is executed in the following order:
Sub# Address
01 00001
00001
02 00002
03 00003
04 00004
05 00005
NOTE: When the subtest 01 is executed, the following message will appear: Test slot
number select (1:slot, 2:slot, 0:slot0&1)?
Select the slot to test.
3-34
Good Bad
nn xx Address line
nn xx REG#, CE#1, CE#2
ww rr Data line
–– –– Speaker line
40,80 xx Wait line (40<xx<80)
nn xx Other lines (BSY#, BVD1)
Satellite A20 Maintenance Manual (960-444)
3.14 Expansion Test
Contents
nn=A0, 90, 80, 00
ww=write data, rr=read data
NN=21, 00