4331 and 4341 Processor Support The IBM 4300 processors, supported by this release, combine System/370 compatibility with large scale integration (LSI) technology.
The4331 processor offers processor storage and high speed control
storage to accomodate standard functions as well as optional features
requiring control storage capability. CurrentSystem/370 users and new
customers can now use interactive and data base/data communications
applications.One half megabyte of processor storage is standard on the
4331 with the option of expanding to one megabyte.1 wide variety of
current1/0 devices can be attached to the 4331 processor in addition to
newI/O devices that are supported when the V8/370 Basic System Extensions program Product is installed.
The4341 processor also offers virtual storage and SCP support with System/370 compatibility. This processor bas versatility in
applications usage as a commercial, scientific, data acquisition,
teleprocessing, or general purpose As with the 4331, the 4341
can also use a wide variety of currently availableI/O devices, tape
units, and display units in addition to the new devices that function
only when the installation is running with theVft/370 Basic System Extensions Program Product. Two megabytes of Frocesscr storage are
standard on the4341 with the option of expanding to four megabytes.
Release 6 ofV8/370 is compatible with ECPS:Ve/370 Level 19 on the
4331 and4341 processors. This support is included in the initial
shipment of these processors.10 fixed or I/O extended machine check logout area and no fixed or 1/0 extended channel check logout area exist for the 4331 and 4341 and
no region code(model dependent information) is available. Independent
machine checks and channel checks are recorded as they arenow. If any
dependent machine or channel check occurs, it is recorded on diskette
which only customer authorized service personnel can access using a
standalone program.
The 3278 Model21 display station is used as the system console for
the 4331 and 4341 processors. The 3278ftodel 21 is sUPForted the same
as a 3277 with the following differences for the new display station:• Screen layout differences. 20 lines (80 25- line display are used for operator
recognize the smaller screen size.
1-4IBft VM/370 Release 6 Guide
characters per line) of the
coamunication.CP and eftS
The
storage to accomodate standard functions as well as optional features
requiring control storage capability. Current
customers can now use interactive and data base/data communications
applications.
4331 with the option of expanding to one megabyte.
current
new
The
applications usage as a commercial, scientific, data acquisition,
teleprocessing, or general purpose
can also use a wide variety of currently available
units, and display units in addition to the new devices that function
only when the installation is running with the
standard on the
Release 6 of
4331 and
shipment of these processors.
no region code
machine checks and channel checks are recorded as they are
dependent machine or channel check occurs, it is recorded on diskette
which only customer authorized service personnel can access using a
standalone program.
The 3278 Model
the 4331 and 4341 processors. The 3278
as a 3277 with the following differences for the new display station:
recognize the smaller screen size.
1-4
characters per line) of the
coamunication.