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10 ECB-865 User’s Manual
2.3.7.2 Intel 82559
The Ethernet interface is based on an Intel 82559 Ethernet controller that supports both
10BASE-T and 100BASE-TX. The 82559 consists of both the Media Access Controller
(MAC) and the physical layer (PHY) interface combined into a single component solution.
The 32-bit PCI controller provides enhanced scatter-gather bus mastering capabilities and
enables the 82559 to perform high speed data transfers over the PCI bus. Its bus master
capabilities enable the component to process high level commands and perform multiple
operations, which lowers CPU utilization by off-loading communication tasks from the CPU.
Two large transmit and receive FIFOs of 3 Kbyte each help prevent data under runs and
overruns while waiting for bus accesses. This enables the 82559 to transmit data with
minimum interframe spacing (IFS).
2.3.8 ITE IT8712F-A
The Winbond W83977TF-AW Super I/O chip provides most input / output interfaces of the
system as the following:
COM 1/2. RS-232/RS-422/RS-485 driver are used whereby RS-232, RS-422 and RS-
485 are provided. Mode can be selected by setting hardware jumper. Drivers use
charge pumps whereby only +5V is required
LPT. Support for SPP, EPP and ECP modes
Floppy interface
Keyboard interface
PS/2 Mouse interface
IrDA interface for infrared communication. This interface shares the controller of
COM2
Provision of buffered ISA databus for BIOS (denoted XDBus)
NVRam with battery backup for BIOS configuration and real time clock
2.3.9 M-Systems DiskOnChip
M-Systems’ DiskOnChip 2000 is a high performance single-chip flash disk in a standard
32-pin DIP package. This unique data storage solution offers cost effective data storage
beyond that of traditional hard disks. Perfect for applications with limited space and
varying capacity requirements. The DiskOnChip 2000 is simply inserted into a 32-pin DIP
socket on your platform board and you have a bootable flash disk.