Connectors G-3
G
FigureG-2 CPU/Memory Board Centerplane Connector Location
FigureG-3 Centerplane Connector Detail

A three-bladed power section resultsin 12 pins on the board. There are six, 120

pin rows, labeled A through F,spread across the remaining five sections; each

section has 24 pins of each 120 pin row.

G.1.2 CPU Module Connectors

There are two connectors for each CPU module, one with 144 pins and the

other with 288 pins. See FigureG-4 through Figure G-6.

(Rear view of board
1----------------- ---- --- - 24 49-- ---------------- -----72 73- -- ---------------------96 97 ------------- ------ -- --120
F
E
D
C
B
A
Guide pin
receptacle
(2 per board)
Spacer (4
per board)
Pre-power section
1------------- ---- - --- ----24
1-------- --- ------ -------- 24
1---------------- - ------- - 24
1------- ------ ------- ----- 24
1------- ------ -------- ---- 24
25--------------- --- --- - -48
25- -------- ----- --- ----- 48 49------- ------ ----------72 73---- ------- -------------96 97 -- ---- ------ -----------120
97- ------- ----- --- -------120
97------ --------- -- -- ----120
97 ------ --- ------ --------120
97 --- ------ - -- ----------120
73--- ---- -----------------96
73---- ---- ----------------96
73-- ------ ----------------96
73 ------ ------------------96
49- ------------------- ---72
49----- ----- -------------72
49-- ------ ---------------72
49---- --- ---- -----------72
25-------- -- --------- --- -48
25------------ - -------- - -48
25------- ----------- --- - -48
25------------ ------- -- - -48
Section 1 Section 2 Section 3 Section 4 Section 5
component side up)