IBM 2025 Maintenance Manual page 19

STANDARD DEVICE ADDRESSES
INTEGRATED LOC
BURST CHANNEL LOC
1403 -------------------OE B4
1443 or 1445 ------------------OB 84
2540 R DR-----------OC B5 2540 RDR -----------·-----·-----OC
85
2540 PCH -----·-----OD B6
2540 PCH -------------------------OD 86
1 052 -------------------1 F B7
1403 --------------------------------OE 87
2311 -------------------9X F5
1404 or 2N D 1403 ---------OF
94
Note:
2520 ---------------------------------15
95
The text preceding the -BCPL- Routine contains information on punching cards to recon-
figurate the system to other than the standard assignments.
Figure 1-8. Auxiliary Storage Module 0 (Part 2 of 2)
ox
1X
2X
3X
4X
5X
6X
1X
ex
9X
AX
BX
ex
DX
EX
FX
0 1 2 3 4 5 6 7 8 9 A B C D E F
Punch Row Image
r
PFR Row Image
(See Figure 1-21)
L
C DB
EA}
Read Error Logout
0 1 2 3 4 5 6 7 8 9 A B C D E F
Figure 1-9. Auxiliary Storage Module 1
Ox
1x
2x
3x
4x
5x
6x
7x
Bx
9x
Ax
Bx
Cx
Dx
Ex
Fx
xO
ucw
ucw
ucw
ucw
ucw
ucw
ucw
ucw
. ucw
ucw
ucw
ucw
ucw
ucw
ucw
ucw
x2
x4 x6 x8 xA xC xE
0, Addrs 000 UCW 16, Addrs 010
or 080*
1, Addrs 001 UCW 17, Addrs 011
or 090*
2, Addrs 002 UCW 18, Addrs 012
or OAO*
3, Addrs 003 UCW 19, Addrs 013
or OBO*
4, Addrs 004 UCW 20, Addrs 014
or OCO*
5, Addrs 005 UCW 21, Addrs 015
or ODO*
6, Addrs 006 UCW 22, Addrs 016
or OEO*
7, Addrs 007 UCW 23, Addrs 017
or OFO*
8, Addrs 008 UCW 24, Addrs 018
9, Addrs 009 UCW 25, Addrs 019
10, Addrs OOA UCW 26, Addrs 01A
11, Addrs OOB UCW 27, Addrs 01
B
12, Addrs OOC UCW 28, Addrs 01 C
13, Addrs OOD UCW 29, Addrs 010
14, Addrs OOE UCW 30, Addrs 01E
15 Addrs OOF UCW 3'L._Addrs 01F
Ex~mple:
Unit control word 27 is located at position 88 in
auxiliary-storage module 2. The unit address is 01 B.
* These eight MPX UCW's may be used for single-address
subchannels orshared subchannels.
Figure 1-10. Auxiliary Storage Module 2
2025 FEMM (7/69) 1-9