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PROCESSOR
Intel® Pentium®
4 processor at 2.0GHz to 3.06GHz*
Intel® Celeron® processor
at 2.0GHz*
 *higher
speeds as available
CHIPSET
Intel's 845-E chip set provides support
for a faster system bus, DDR200/266 memory and dual
USB 2.0 compatible interfaces.
SYSTEM BUS
The Intel 845-E chip set supports
a system bus speed of 400/533MHz.
BUS SPEED
| ISA |
16-bit/8MHz |
| PCI |
32-bit/33MHz |
| System/FSB |
400/533MHz |
BIOS (FLASH)
AMIBIOS8 with built-in
advanced CMOS setup for system parameters, peripheral
management for configuring on-board peripherals,
PCI-to-PCI bridge support and PCI interrupt
steering. Supports flash devices for BIOS upgrading
via floppy interface. Also provides integrated support
for USB mass storage devices such as USB CD-ROM,
CD-RW, etc. Custom BIOSs are available
upon request.
CACHE MEMORY (L2 AND L1)
The Pentium 4 processor supports
a 512K integrated on-die Advanced Transfer
Cache (L2). The cache is an 8-way set associative
cache running at full processor core frequency.
The Celeron processor supports a 128K integrated on-die
Advanced Transfer Cache (L2).
Both processors include a 12K level one (L1) Execution
Trace Cache and 8K L1 data cache.
DDR200/266 MEMORY
Double Data Rate (DDR) memory improves memory data speeds
demanded in data-intensive applications.
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. The memory interface supports
auto detection of memory up to 2GB. The bandwidth of
the DDR200/266 memory interface is 1600MB/s or 2100MB/s.
ULTRA160 SCSI INTERFACE
The Ultra160 SCSI interface uses an Adaptec SCSI controller
that supports SCSI device data transfer operations up
to 160MB/s. The interface 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.
PCI BUS INTERFACE
The PCI bus interface supports a 32-bit PCI backplane
interface running at a 33MHz bus speed.
ISA BUS
The T4I provides a 16-bit ISA bus interface to the backplane
for legacy ISA slots.
SYSTEM HARDWARE MONITOR
The Winbond W83783S chip supports hardware monitoring.
The functions monitored are voltage, fan speed and temperature.
The T4I hardware monitor driver allows the user to program
the monitor limits to provide a trigger point for the
application software. This allows the application program
to monitor these trigger points in order to send system
alert messages or perform corrective action.
FLOPPY DRIVE INTERFACE
Supports up to two floppy disk drives in combinations
of 360K to 2.88MB.
SUPER XGA VIDEO INTERFACE
The Intel 69030 video interface has 4MB of on-chip
memory and supports pixel resolutions up to 1280 x 1024.
Software drivers are available for most popular operating
systems.
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.
DUAL ETHERNET INTERFACES - 10/100BASE-T
AND 10/100/1000BASE-T
There are dual Ethernet LAN ports on the T4I. LAN Port
1 functions as a traditional 10/100Base-T
port, while LAN Port 2 offers Gigabit (1Gb/s) connectivity
in addition to the traditional 10/100Base-T
interface. RJ-45 connectors located on
the I/O bracket provide the mechanical interface to
the Ethernet networks.
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EIDE ULTRA ATA/100 INTERFACES
(DUAL)
Dual high-performance PCI Bus Master
EIDE interfaces are capable of supporting up to two
IDE disk drives each in a master/slave configuration.
The interface supports Ultra ATA/100 with synchronous
ATA mode transfers up to 100MB per second.
WATCHDOG TIMER
The programmable watchdog timer provides
a system reset with a total range of 30ms to 60 seconds.
The programmable increments of the watchdog are 30ms,
10s and 60s.
ENHANCED BI-DIRECTIONAL PARALLEL
INTERFACE
The parallel port interface is compatible
with IBM PC/XT®, PC/AT®,
PS/2™, 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.
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.
POWER REQUIREMENTS
Typical Values
Pentium 4:
| CPU |
+5V* |
+12V# |
+3.3V* |
| 3.06GHz/533MHz |
4.05A |
6.75A |
2.75A |
| 2.8GHz/533MHz |
4.05A |
4.68A |
2.75A |
| 2.4GHz/533MHz |
3.96A |
3.91A |
2.68A |
| 2.0GHz/400MHz |
4.00A |
3.38A |
2.66A |
Celeron:
| CPU |
+5V* |
+12V# |
+3.3V* |
| 2.0GHz/400MHz |
4.01A |
3.43A |
2.72A |
-12V @ < 100mA*
* From Backplane via PICMG® Connector.
# From ATX12V power supply or equivalent via P4 connector.
The Pentium 4 processor's power requirements created the
need for an additional on-board 4-pin power
connector (P4). This connector requires +12V from an external
power supply that conforms to the ATX12V power specification.
This external power supply should have a minimum wattage
rating of at least 250W. The T4I also requires that 3.3V
be applied to the backplane from the power supply.
POWER FAIL DETECTION
The T4I continuously monitors the incoming +5V and +3.3V
power lines from the system backplane. If the 5V line
drops below 4.75 volts or the +3.3V line drops below
2.97 volts, the T4I issues a hardware-reset
command. This feature helps maintain control and allows
the system to automatically restart. A two-pin
header is available for applications that require an
external reset switch. On-board power lines
are also monitored in a similar fashion.
BATTERY
Built-in lithium battery for data retention of CMOS
memory.
TEMPERATURE/ENVIRONMENT
| Operating Temperature |
0° - 45° C. |
| Storage Temperature |
-40° to 70° C. |
| Humidity |
5% to 90% non-condensing. |
A Pentium 4 processor can consume as
much as 70 Watts of power on the T4I single board computer.
The T4I's cooling system uses a high-reliability
fan.
MECHANICAL
Chassis Plans's engineers have devised a low-profile
(1.65" height) active cooling system. Overall dimensions
for the T4I, including the active cooling system are
13.3"L (338mm) x 4.8"H (121.9mm) x 1.65"W (49.1mm).
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)
118,000 POH (Power-On Hours) at 40° C., per Bellcore.
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