70:45 Programming Systems Support Table - IBM 4381 Manual

70:45 Programming Systems Support Table
DOS/VSE with
VSE/ AF Release
1.3.S or later
I
MVS/370 (with MVS/XA (with
VSE/SP Release
VSl with
MVS/SP Version MVS/SP Version 2 VM/370 with VM/SP
4381 Function 1.1 or later BPE Release 4 1 Release 3 or later) Release 1.1 or later) Release 2 or later
A. Mode of opera- System/370 and EC System/370 and EC System/370 and EC System/370-XA System/370 and EC
ti on
B. Processor storage
8Mb. Up to 16Mb 8Mb. Up to 16Mb 32Mb
32Mb
32Mb
supported supported in
in a VSl VM/SP
(maximum)
a DOS/VSE virtual virtual machine
High Performance
machine with VM with VM Hand- Option Release 3 or
Linkage Enhance- shaking later is required
ments. For VSE/ AF for more than
2.1.0 or later, 16Mb.
up to 16Mb
is supported for
System/370 mode.
C. Virtual storage One up to 16Mb One up to 16Mb Multiple. Each Multiple. Each Multiple. Each is
supported for VSE/ AF 1.3.5. is 16Mb. is 2 gigabytes. up to 16Mb.
For VSE/ AF 2.1.0,
up to three virtual
address spaces are
supported. Each
can be up to
16Mb with a
maximum of 40Mb
for the three.
D. Features
- Common seg- No No Yes Yes No
ment
- CPU timer, Yes Yes Yes Yes Yes
clock
comparator
- Diagnose No No Yes Yes No
MSSFCALL
- Dual Address
No No Yes Yes Use by an MVS/370
Space (Cross Memory (Cross Memory virtual machine
Facility Services
in
Services in supported when
MVS/SP) MVS/SP) Preferred Machine
Assist and VM/SP
High Performance
Option are used.
- Dynamic
2Kpage 2Kpage 4Kpage 4Kpage 4Kpage
Address 64Ksegment 64Ksegment 64K segment 1024K segment 64K segment
translation 24-bit addressing 24-bit addressing 24-bit addressing 31-bit addressing 24-bit addressing
for VSE/ AF 1.3.5
or 2.1.0. For
VSE/ AF 2.1.1, 4K
pages are also
supported for
System/370 mode.
Section 70: Programming Systems Support
125