Ros Patch Card Locations And Cables - IBM 5280 Technical Newsletter

561
ROS PATCH CARD
LOCATIONS AND CABLES
The following figure shows where the different RDS
patch cards plug in on the logic board.
Signal Cable Connections
DC4 DC3
Ground .
1 3 1 10
+5 Vdc \ / Ground 1
• • • ••••••••
'.
..
.
S·
7
6 5
DC2
10
••••••••
4
~
Keyboard/Display MPU
3
1
Page ot
5Y~1-ubUU-l
As updated April 15, 1981
By TN L SN20-9588
DC1
10
•••••••••
2 1
IA
I
Keyboard/Display Storage
II
Main Storage
II
ETC/MSR & ETC/Buffer timer
IB
I
Diskette/Main MPU
JC
- - r -
I
Line Adapter
I
I
Printer Attachment MPU
l
VFD
II
Diskette Driver/Receiver) D
~
I
Communications or Feature Main MPU
I
Remote Data Station
I
E
-,-
t
l .
Communications or
I
RDS Patch Feature Main MPU
f
RDS Patch (l3ase Main MPU)
I I
RDS Patch (Printer Attachment)
I
- - - .----c.
I
~
I
RDS Patch (Diskette)
I
I
RDS Patch (Kbd/Display)
I
.,-
-r
Power Cable Connections
• •
••••••••• • ••
S 7 6 5 3 1
~
_____________________________ K_e_y_b_o_ar_d_/D __ is_pl_a_y_M_P_U ____________________________
~IA
~K_e_y_b_O_a_rd_/_D_is_p_la_y_S_t_or_a_ge~ ~
____ M_a_in __ St_o_r_ag_e ____
~I( ~
_____________
E_T_C_/_M_S_R ____ &_E_T_C ____ /B_u_f_fe_r_t_im_e_r _______________
I
B
~
_______________________________________________________ D_i_sk_e_t_te_/_M_a_in_M ____ P_U _________________________________________________________ IC
Line Adapter
I
Printer Attachment MPul1 .... ____ V_F_D _ _ _
~II
Diskette Driver/Receiver
I
0
Communications or Feature Main MPU
I L. 1 ______
R_e_m_o_t_e_D_a_t_8_s_t_at_io_n _ _ _ _ _
---' 1
E
561 Logic and Cards 101