HP 9030 - Loader ROM Test Module Flowchart

r---------,
I Send Four 16-Bit I
I Patterns To From :-_
I A Keyboard Or SCM I
I Register I
L _________ .J
r--------.,
I Either No Card I
I or an r---------
I "Internal Card" I
L ________ J
r-------...,
I Save, Write, I
I Read 5 Patterns, I
_~ Restore To Each I
I
LocatIOn (2048 Bytes, I
I
Performed In 8 Blocks I
I Of
256 Bytes Each) I
L __ ________ ..J
yes
yes
Testing and Troubleshooting 3-9
r---------,
'" - -i 903040 SCM I
;' L __________ .J
r--------,
_ ~ 9020 Keyboard I
;,'" L _________ ..J
r--------l
-~ ~=~~r~~~o~~;~~ I
I Reg 5 Of Test Card I
L ________ ..J
Error = P~Failed
Figure 3-4. Loader ROM Test Module Flowchart