Table 
E-l. 
Motherboard Wiring 
List 
Mnemonic 
ADRO 
ADR1 
ADR2 
ADR3 
ADR4 
AM  IN 
AMRTN 
ATN 
ATNAT1 
ATIMAT2 
ATNAT3 
ATNAT4 
ATN 
COIL+ 
ATNTH1 
ATNTH2 
ATNTH3 
ATNTH4 
BIAS 
S/H 
PULSE 
BVSWP 
DAY 
DBO 
DB1 
DB2 
DB3 
DB4 
DBS 
Source 
XA60-17 
XA60-73 
XA60-18 
XA60-74 
XA60-19 
A62J15  CENTER 
A62J15  SHIELD' 
XA60-8 
XA24-30 
XA24-29 
XA24-28 
XA24-27 
XA24-7 
XA24-12 
XA24-11 
XA24-10 
XA24-9 
XA21-19 
XA58-40 
XA60-6 
XA60-20" 
XA60-76r 
XA60-21" 
XA60-77'' 
XA60-22b 
XA60-78b 
Destination 
XA27-9,  XA57-17, 
XA58-1/',  XA59-17, 
A62J1-23 
XA27-40, 
XA57-73, 
XA58-73,  XA59-73, 
A62J1-24 
XA27-10,  XA57-18,  XA58-18,  XA59-18, 
A62J1-25 
XA27-41,  XA57-74,  XA58-74, 
XA59-74, 
A62J1-26 
XA27-11, 
XA57-19, 
XA58-19, 
XA59-19, 
A62J1-27 
XA26-19 
XA26-41, 
A62  SMC  SHIELD  AND  GUARD  TRACE  AROUND 
AM 
IN 
A62J7-21 
A62J20-2 
A62J20-9 
A62J20-5 
A62J20-10 
A62J20-6 
A62J20-13 
A62J20-3 
A62J20-11 
A62J20-4 
XA22-89 
XA27-31 
A62J7-11 
XA21-10, XA23-9,  XA26-15,  XA27-22,  XA28-11, 
XA37-1, 
XA42-21,  XA43-21, 
XA57-20,  XA58-20, 
XA59-20,  XA61-20', 
A62J1-3 
XA21-11,  XA23-27,  XA26-37,  XA27-53, 
XA28-34,  XA37-19, 
XA42-3,  XA43-3, 
XA54-10,  XA57-76, 
XA58-76,  XA59-76, 
A62J1-4 
XA23-10, XA26-16,  XA27-23,  XA28-12,  XA37-2,  XA42-22,  XA43-22,  XA54-29, 
XA57-21, 
XA58-21,  XA59-21, 
A62J1-5 
XA23-28, XA26-38,  XA27-54,  XA28-35,  XA37-20, 
XA42-4,  XA43-4,  XA54-1), 
XA57-77, 
XA58-77, 
XA59-77, 
A62J1-6 
XA21-12,  XA23-11,  XA26-17,  XA27-24,  XA28-13, 
XA37-3, 
XA42-23,  XA43-23, 
XA54-30,  XA57-22, 
XA58-22,  XA59-22, 
A62J1-7 
XA21-13,  XA23-29,  XA27-55,  XA28-36,  XA37-21, 
XA42-5,  XA43-5,  XA54-12, 
XA57-78,  XA58-78,  XA59-78, 
A62J1-8 
a 
Multiple 
sources 
b 
Open 
collector 
bus 
— 
multiple 
sources 
s 
Reserved  for  future 
expansion 
• 
The 
A61 
board 
assembly 
is  not 
included 
with 
the 
HP 8340B/41B 
Traces connected 
to 
XA61 
are 
included 
in 
this 
wiring 
list to 
keep 
signal 
destinations 
complete. 
HP 8340B/41B 
Change 
5 
Motherboard Wiring 
List