FEATURES Intel® Pentium® III or Celeron™ processor Low profile processor package Speeds up to 850MHz Exceptional performance
DESCRIPTION The CB BASIC single board computer uses the Intel® Pentium® III or Celeron™ processor repackaged for embedded applications. Continuing Trenton's record of innovative board layouts, the CB BASIC takes advantage of Intel's new low-profile processors to provide exceptional performance. The CB BASIC model saves designers the cost of built-in features that are unnecessary for their particular application, yet still provides the dependability of a premium quality Trenton SBC. Now there is no need to compromise on dependability or performance. Get the flexibility of the CB BASIC single board computer from Trenton -- the board you can depend on.
PROCESSOR Intel Pentium III microprocessor at 600EMHz - 850MHz Intel Celeron microprocessor at 433MHz - 850MHz PROCESSOR PACKAGE Pentium III or Celeron processor in a low-profile Socket 370 compatible package CHIP SET Intel 440BX AGPset SYSTEM/MEMORY BUS Intel 440BX AGPset supports the system/memory buses at both 66MHz and 100MHz speeds. The 100MHz system/memory buses provide a higher bandwidth path for transferring data between main memory/chip set and the processor. CONCURRENT PCI Maximizes system performance with simultaneous processor and PCI Bus activities. It includes multi-transaction timing, enhanced write performance, a passive release mechanism and support for PCI 2.1 compliant delayed transactions. DATA PATH Data/Memory 64-bit ISA 16-bit PCI 32-bit BUS SPEED ISA 8MHz (All Speeds) PCI 33MHz (All Speeds) System/Memory 66MHz or 100MHz (Celeron) 100MHz (Pentium III) BIOS (FLASH) AMI Hi-Flex BIOS 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. Custom BIOSs available. CACHE MEMORY Pentium III - A 256K integrated on-die Advanced Transfer Cache. The cache is 256-bit wide, 8-way associative cache running at full processor core frequency. Celeron - A 128K integrated on-die 64-bit wide, non-blocking cache. DRAM MEMORY The SDRAM interface consists of two dual in-line memory module (DIMM) sockets and supports auto detection of memory up to 512MB of Synchronous DRAM (SDRAM) memory. Minimum memory size is 8MB. The DIMM memory is PC-100 compliant for all speeds, which means that they comply with Intel's PC SDRAM specifications. Uses industry standard 64-bit (non-ECC) or 72-bit (ECC) wide gold finger DIMM DRAM in two 168-pin DIMM sockets. MEMORY HOLE Supports a 1MB memory hole option at 15-16MB. ERROR CHECKING AND CORRECTION The memory interface supports ECC modes via BIOS setting for multiple-bit error detection and single-bit error correction. PCI LOCAL BUS INTERFACE Fully compliant with the PCI Local Bus 2.1 Specification. This board has optimized the PCI interface to allow the processor to sustain the highest possible bandwidth (greater than 100MB/sec sustained) and supports PCI-to-PCI bridge technology.	UNIVERSAL SERIAL BUS (USB) Supports two USB 1.0 ports for serial transfers at 12 or 1.5Mbit/sec. The Universal Serial Bus is an interface allowing for connectivity to many standard PC peripherals via an external port. SYSTEM HARDWARE MONITOR Provides monitoring of system voltages, temperature and fan speed. FLOPPY DRIVE INTERFACE Supports up to two floppy disk drives in combinations of 360K to 2.88MB. SERIAL INTERFACE Two high speed FIFO (16C550) serial ports with independently programmable baud rates. Each serial port has BIOS selectable addressing. PCI EIDE ULTRA DMA/33 INTERFACE (DUAL) Dual high performance PCI Bus Master EIDE interfaces are capable of supporting up to four IDE Type 4 disk drives in a master/slave configuration. Supports Ultra DMA/33 with synchronous DMA mode transfers up to 33MB per second. WATCHDOG TIMER The software controlled watchdog timer monitors system activity and generates a reset pulse in the event of a time-out. ENHANCED BI-DIRECTIONAL PARALLEL INTERFACE Compatible with PC/AT bi-directional parallel port and supports EPP and ECP modes. The ECP mode is IEEE 1284 compliant. Parallel port has BIOS selectable addressing. PS/2 MOUSE INTERFACES Compatible with a PS/2-type mouse. Accessible via the I/O bracket or off-board cabling. Mouse voltage is protected by a self-resetting fuse. POWER FAIL DETECTION Issues a hardware reset when on-board voltage drops below 4.75 volts. BATTERY Built-in lithium battery for ten years of data retention for CMOS memory. POWER REQUIREMENTS +5V Typical   Celeron - 66MHz FSB:   5.6 Amps     6.1 Amps     6.5 Amps     633MHz 667MHz 733MHz   Pentium III - 100MHz FSB:   7.1 Amps     7.6 Amps     800MHz 850MHz +12V @ 100 mAmps -12V @ < 100 mAmps The system power supply must conform to the power sequencing specifications of ATX compliant power supplies. Voltage levels must be regulated within a range of +/- 5%. TEMPERATURE Operating 0° - 60° C. (0° - 55° C. for 700MHz Pentium III and above) Storage - 40° - 70° C. KEYBOARD INTERFACE Compatible with AT-type keyboard. Accessible via the I/O bracket or off-board cabling. Keyboard voltage is protected by a self-resetting fuse. MEAN TIME BETWEEN FAILURE (MTBF) 95,000 POH (Power-On Hours) at 40° C., per MIL-HDBK-217F
MODEL NAME: CB BASIC
MODEL# MODEL NAME SPEED Pentium III 5721-130-xM CB BASIC/1.0 1.0GHz 5721-128-xM CB BASIC/850 850MHz 5721-125-xM CB BASIC/700 700MHz 5721-123-xM CB BASIC/600E 600MHz Celeron 5721-224-xM CB BASIC/850C 850MHz 5721-034-xM CB BASIC/733 733MHz 5721-029-xM CB BASIC/566 566MHz (xM= Memory)