Expansion Test - Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual

Maintenance manual
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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:
q Address line
q REG#, CE#1, CE#2 line
q Data line
q Speaker line
q Wait line
q 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

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