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PROCESSOR
Intel® Pentium® 4 processor at speeds of 2.0GHz to 2.8GHz*
Intel® Celeron® processor at speeds of 2.0GHz to 2.5GHz*
Processor Package: mPGA 478
 *Higher speeds as available
CHIPSET
The Intel® 845E chipset supports a 400/533MHz system
bus, a maximum of two double-sided DIMMs with unbuffered
DDR 200/266 (PC1600/PC2100) memory with ECC and a 266
MB/s Hub Interface to the ICH4 I/O Controller.
BUS SPEED
| ISA |
16-bit/8MHz |
| PCI |
32-bit/33MHz |
| Hub Interface |
266MB/s |
| System or FSB |
400MHz/533MHz |
BIOS (FLASH)
The T4R uses AMIBIOS8®. The flash BIOS resides in the
Intel® 82802AC Firmware Hub (FWH). AMIBIOS8 contains features
such as:
- Support for flash devices for BIOS upgrading via
floppy interface
- Integrated support for USB mass storage devices
such as USB CD-ROM, CD-RW, etc.
- CMOS setup for system parameters
- Peripheral management for configuring on-board peripherals
- PCI-to-PCI bridge support and PCI interrupt steering
- Faster POST execution
- Improved BIOS code modularity which streamlines
the BIOS customization process while offering a higher
degree of BIOS customization.
CACHE MEMORY (L2 AND L1)
The Intel® Pentium® 4 processor supports a level two (L2)
cache memory of 512K, while the L2 cache supported on
the Intel® Celeron® processor is 128K. Both cache memories
are integrated on-die Advanced Transfer Cache memory that
is 8-way set associative and run at the full processor
core frequency. Both processors include a 12K level one
(L1) Execution Trace Cache and an 8K L1 data cache.
PCI BUS INTERFACE
The T4R's 32-bit PCI bus interface connects from the SBC's
I/O Controller Hub directly to the backplane and supports
a 33MHz bus speed.
ISA BUS INTERFACE
The T4R's 16-bit ISA bus interface fully supports all
ISA bus functions on a PICMG® 1.0 backplane's ISA card
slots.
SUPER XGA VIDEO INTERFACE
The ATI Rage Mobility M1 video controller has 8MB of
on-chip memory and supports up to 1280 x 1024 pixel resolutions.
Software drivers are available for most popular operating
systems.
DUAL USB INTERFACES
The T4R supports two high-speed USB 2.0 ports for data
transfers up to 480Mbit/sec. It also supports USB 1.1
devices for data transfers at 12 or 1.5Mbit/sec. The Universal
Serial Bus (USB) is an interface allowing for connectivity
to many standard PC peripherals via an external port.
DUAL EIDE ULTRA ATA/100 INTERFACES
Dual high performance PCI Bus Master EIDE interfaces are
capable of supporting up to two IDE disk drives each in
a master/slave configuration. Supports Ultra ATA/100 with
synchronous ATA mode transfers up to 100MB per second.
ULTRA160 SCSI INTERFACE (OPTIONAL):
The Ultra160 SCSI interface uses an Adaptec AIC-7892 SCSI
controller chip and supports SCSI device data transfer
operations up to 160MB/s. The interface supports up to
15 SCSI devices, complies with the SPI-3 standard and
is compatible with both single-ended and Low Voltage Differential
(LVD) SCSI I/O. Software drivers are available for most
popular operating systems.
SYSTEM HARDWARE MONITOR
The Winbond W83783S chip supports hardware monitoring.
The functions monitored are voltage (+2.5V, +3.3V, +/-12V,
+5V and VCORE), fan speed and temperature. The T4R hardware
monitor driver allows the user to program the monitor
limits to provide a trigger point for the application
software. The user's application program can monitor these
trigger points in order to send system alert messages
or perform corrective actions.
BATTERY
Built-in lithium battery for data retention of CMOS memory.
TEMPERATURE/ENVIRONMENT
| Standard Operating Temperature |
0° to 45° C. |
| Extended Operating Temperature* |
0° to 55° C. |
| Storage Temperature |
-20° to 70° C. |
| Humidity |
5% to 90% non-condensing |
The high-performance Intel® Pentium® 4 processor used
on the T4R may consume over 70 Watts of power. The T4R's
cooling system uses a high-reliability fan mounted to
the SBC.
MECHANICAL
An active cooling system is used on the T4R to insure
reliable processor operation at elevated temperatures.
Overall dimensions for the T4R, including the active cooling
system, are 13.3" L (338mm) x 4.8" H (121.9mm) x 1.65"
W (41.9mm).
*Chassis Plans validates extended temperature operation
for processor speeds 2.8GHz and below using a 2.18" (55.4MM)
tall active cooling system. Consult Chassis Plans for
details.
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DUAL ETHERNET INTERFACES
LAN 1 provides a 10/100Base-T Ethernet interface using
the Intel® 82562ET Platform LAN Connect device and the
ICH4 I/O Controller Hub. The 82562/ICH4 combination
provides high-speed data transfers while offloading
communication tasks from the system processor. LAN 2
supports both 10/100Base-T and Gigabit Ethernet interfaces
via the Intel® 82540 controller.
DDR200/266 MEMORY
The DDR200/266 interface is a single-channel interface
coming off the Memory Controller hub and terminating
at two DIMM module sockets. The DIMM sockets can be
independently populated with either PC1600 or PC2100
unbuffered memory modules with ECC. The memory interface
supports auto detection of memory up to 2GB. Depending
on the processor's system bus speed and the type of
memory module used, the memory interface bandwidth is
either 1600MB/s or 2100MB/s.
SERIAL INTERFACE
The Super I/O controller supports two full-function
serial ports with independently programmable baud rates.
The controller has two high-speed, NS16C550 compatible
UARTs with Send/Receive 16-byte FIFOs. The IRQ for each
serial port has BIOS selectable addressing.
FLOPPY DRIVE INTERFACE
The T4R supports up to two floppy disk drives in combinations
of 360K to 2.88MB.
KEYBOARD AND PS/2 MOUSE INTERFACES
The mini DIN connector located on the I/O bracket provides
an external interface for a PS/2 mouse and keyboard.
A "Y" adapter plugged into the mini DIN connector allows
the PS/2 mouse and keyboard to share the same port.
Internal PS/2 mouse and keyboard headers are also available.
A self-resetting fuse protects the +5V line of the keyboard
and the mouse.
ENHANCED BI-DIRECTIONAL PARALLEL INTERFACE
The parallel port interface is compatible with IBM PC/XT®,
PC/AT®, PS/2T, Enhanced Parallel Port (EPP1.7, EPP1.9)
and Extended Capabilities Port (ECP) modes of operation.
Both the EPP and ECP modes are IEEE 1284 compliant.
The parallel port has BIOS selectable addressing.
WATCHDOG TIMER
The programmable watchdog timer is supported directly
by the I/O Controller Hub. Two operating modes, free-running
and one-shot, are available with this two-stage watchdog
timer. Stage one can generate IRQ, SMI or SCI, and stage
two generates a programable watchdog timer reset with
a total range of 1ms to 10 minutes.
POWER REQUIREMENTS
The following are typical values:
| + 5V Operation: |
| Processor Speed |
+5V |
+12V |
+3.3V |
| Intel® Pentium® 4: |
| 2.8GHz |
12.2A |
0.5A |
None |
| 2.4GHz |
11.9A |
0.5A |
None |
| Intel® Celeron®: |
| 2.5GHz |
11.7A |
0.5A |
None |
| 2.0GHz |
11.5A |
0.5A |
None |
+5V and +12V Operation: |
| Intel® Pentium® 4: |
| 2.8GHz |
2.5A |
4.9A |
None |
| 2.4GHz |
2.5A |
4.5A |
None |
| Intel® Celeron®: |
| 2.5GHz |
2.5A |
4.4A |
None |
| 2.0GHz |
2.5A |
4.0A |
None |
-12V @ <100mA
Tolerance for all voltages is +/-5%
POWER CONTROL CIRCUITRY
Generating +3.3V on board makes the T4R an ideal SBC choice
for upgrading embedded computing systems. Chassis Plans
provides a +5V auxiliary connector jumper cable for use
on the SBC. This cable allows the +5V from the +5V auxiliary
connector to be routed over to the +12V auxiliary connector
to provide sufficient power for Intel® Pentium® 4 processors
with clock speeds of 2.8GHz or less. The +12V auxiliary
power connector can also be used to provide additional
power from the system power supply and must be used when
using processors with clock speeds over 2.8GHz.
AGENCY APPROVALS & INDUSTRY COMPLIANCE
UL60950, CAN/CSA C22.2 No. 60950-00,
EN55022:1998 Class B, EN61000-4-2:1995,
EN61000-4-3:1997, EN61000-4-4:1995, EN61000-4-5:1995,
EN61000-4-6:1996, EN61000-4-11:1994
STANDARDS
- IEEE P996, Personal Computer Bus Standard
- PCI Local Bus Specification 2.1
- PICMG® 1.0 Specification
- Ultra160 SCSI, SPI-3 Standard
MEAN TIME BETWEEN FAILURES (MTBF)
144,036POH (Power-On Hours) at 40 °C., per Bellcore
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