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 Models 721/741/781 and 722/742/782
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 Models 721/741/781 and 722/742/782 support a wide range of displays,
keyboards, printers, cash drawers, and scanners. See the IBM Retail Stores Web
site at www.ibm.com/solutions/retail/store, 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 October 31, 2007
Chapter 1. Introducing the SurePOS 700 Models 17
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