IBM 4800-741 Hardware Service Guide - Page 35

Unique, software, interface, devices

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Updated July 14, 2008 Models 7x2 The POS USB PC ports are all driven from the POS riser card and comply with the USB 2.0 standard. These controllers are all Universal Host Controller Interface (UHCI) or Enhanced Host Controller Interface (EHCI) compliant. Unique software interface For the software programmer, the SurePOS 720 appear as a PCI-based PC system unit with the usual PC peripherals . The unique POS function is packaged on the PCI riser card. The following unique functions are also provided in the system unit: v Two PCI feature card slots or optionally on the Models 742 and 782, 1 PCI and 1 x1 Lane PCI Express feature card slots v 128 KB of nonvolatile random access memory (NVRAM) v A ROM that connects to the system ROM during POST to provide additional function and information v An interface to the RS-485 (EIA 485) subsystem, if the system is equipped with RS-485 ports. IBM drivers and operating systems isolate these changes from the application. v An interface to the POS USB subsystem. IBM drivers and operating systems isolate these changes from the application. I/O devices SurePOS 720 support a wide range of displays, keyboards, printers, cash drawers, and scanners. See the IBM Retail Stores Web site at http://www.ibm.com/solutions/ retail/store/support, for a list of currently supported devices. Note: Additional I/O information is available in the following publications: USB I/O devices SurePOS 700 Series: Options and I/O Devices Service Guide, SY27-0392 RS-485 I/O devices Store Systems POST I/O Devices Installation and Operation Guide, GA27-4028 Chapter 1. Introducing the SurePOS 700 Models 17

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Models
7x2
The
POS
USB
PC
ports
are
all
driven
from
the
POS
riser
card
and
comply
with
the
USB
2.0
standard.
These
controllers
are
all
Universal
Host
Controller
Interface
(UHCI)
or
Enhanced
Host
Controller
Interface
(EHCI)
compliant.
Unique
software
interface
For
the
software
programmer,
the
SurePOS
720
appear
as
a
PCI-based
PC
system
unit
with
the
usual
PC
peripherals
.
The
unique
POS
function
is
packaged
on
the
PCI
riser
card.
The
following
unique
functions
are
also
provided
in
the
system
unit:
v
Two
PCI
feature
card
slots
or
optionally
on
the
Models
742
and
782,
1
PCI
and
1
x1
Lane
PCI
Express
feature
card
slots
v
128
KB
of
nonvolatile
random
access
memory
(NVRAM)
v
A
ROM
that
connects
to
the
system
ROM
during
POST
to
provide
additional
function
and
information
v
An
interface
to
the
RS-485
(EIA
485)
subsystem,
if
the
system
is
equipped
with
RS-485
ports.
IBM
drivers
and
operating
systems
isolate
these
changes
from
the
application.
v
An
interface
to
the
POS
USB
subsystem.
IBM
drivers
and
operating
systems
isolate
these
changes
from
the
application.
I/O
devices
SurePOS
720
support
a
wide
range
of
displays,
keyboards,
printers,
cash
drawers,
and
scanners.
See
the
IBM
Retail
Stores
Web
site
at
retail/store/support,
for
a
list
of
currently
supported
devices.
Note:
Additional
I/O
information
is
available
in
the
following
publications:
USB
I/O
devices
SurePOS
700
Series:
Options
and
I/O
Devices
Service
Guide
,
SY27-0392
RS-485
I/O
devices
Store
Systems
POST
I/O
Devices
Installation
and
Operation
Guide
,
GA27-4028
Updated
July
14,
2008
Chapter
1.
Introducing
the
SurePOS
700
Models
17