MESA ELECTRONICS 4C24 PC/104 CPU FEATURES: 33 MHz 386SX / 486SLC CPU 1 to 4 M bytes system RAM 1 M byte flash disk on card Numeric processor option Two RS-232 serial ports Bidirectional parallel port EEPROM configuration storage Battery backed clock/calendar Made in USA - local support 2 year warranty
On card 4C24 I/O includes two RS-232 serial
compatible CPU implemented on the PC/104 bus.
ports, a bi-directional parallel port, and an AT
compatible keyboard port. The 4C24 uses a multi-
486SLC, or 25/50 MHz TI 486SLC2E CPU. An IIT
I/O chip with 16C550A compatible UARTs. These
87SLC math coprocessor is available as an
UARTS have 16 character receive and transmit
option. System memory can be 1M byte or 4M
bytes. A precision reset circuit, watchdog timer,
All standard AT logic is provided by the 4C24,
EEPROM setup storage, and built in disk emulator
including NPU interface, 2 interrupt controllers, 2
make the 4C24 especially suited to embedded
DMA controllers, keyboard controller, and battery
Two disk emulator sockets are provided.
EPROM. Total disk emulator capacity is 1 M byte
inadvertent corruption than the battery backed
using flash EEPROM, or 2 M bytes using EPROM.
CMOS configuration storage in a standard AT.
The emulated drive is bootable and has full
compatibility with application and operating
with the 486SLC CPU and 3W maximum with the
system software. Flash disk operation is identical
to a standard hard disk, and no special software is
clock can be slowed to conserve power when the
needed except for flash disk initialization.
full CPU speed is not required. At minimum clock
speed, power consumption is less than 0.5 W.
memory to allow field upgrades without physical
The RS-232 interface power is generated on
access to the 4C24 card. The 4C24 BIOS is
card, so only +5V power is required by the 4C24.
normally 64K bytes but can be extended to 128K
A built -in watchdog timer will reset the CPU if
bytes to accommodate Datalight ROM-DOS or
not accessed at least every 1.6 seconds. The
other built in operating systems. Datalight ROM-
BIOS services the watchdog tic routine as the
MESA ELECTRONICS 4C24 PC/104 CPU RAM OPTIONS: The standard 4C24 RAM options ROM-DOS OPTION: The 4C24 can be provided
are 1M and 4M of system. The 1M and 4M options
with Datalight ROM-DOS as an option. This is a
use two RAM chips to allow interleaving for
DOS compatible operating system that is built into
maximum performance. 512K and 2M options are
available for quantity orders, but performance will
UTILITY SOFTWARE: Many utility programs are
provided with the 4C24 to facilitate embedded
EEPROM SETUP STORAGE: AT setup
system development. These programs include a
information plus several 4C24 specific options are
serial file down load utility for transferring files to a
stored in an on-card EEPROM. The AT setup
information is copied to the CMOS setup RAM at
programs, tools for making EPROM disks, and a
power up, allowing all software that accesses the
CMOS RAM directly to operate normally. EEPROM
CLOCK CALENDAR: Battery backed clock
setup is much more reliable than the battery backed
calendar with on card Lithium cell. Lithium cell
CMOS setup storage normally used, and allows the
lifetime is 5 years minimum with power off.
4C24 to be used where lithium cells are not allowed. WATCHDOG TIMER: 1.6 second timeout CONSOLE REROUTING: The 4C24 BIOS
watchdog timer for unattended applications.
supports console re-routing for applications not
Normally cleared by BIOS tic interrupt service
using a standard keyboard or video card. Console
routine, but can be left as task for application
out can be directed to either serial port, or be
programs. Can be disabled for non-DOS operating
stubbed. Console in can come from the standard AT
keyboard port, or the console out serial port. FLASH BIOS: The 4C24 can be optionally supplied DISK EMULATOR: Two 32 pin PLCC sockets
with a flash BIOS. This allows BIOS and ROM-DOS
support EPROM's to 1M byte per chip, and 5V flash
upgrades without access to the 4C24 card.
EEPROMS to 512K bytes per chip. Uses Atmel /
RIPL: (Remote Initial Program Load) A built-in
SST 5V flash parts. The disk emulator sockets can
BIOS function, allows simple test, start-up, and
be configured as two independent drives or a single
initialization programs to be down loaded to the
4C24 over the serial port at start-up, before the
4C24 SPECIFICATIONS: ORDERING INFORMATION:
Add -I to specify industrial temperature range
MESA ELECTRONICS -- 4175 Lakeside Drive, Suite 100, Richmond, CA 94806
PHONE (510) 223-9272 -- FAX (510) 223-9585
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CURRICULUM VITAE General information : Name: Ali Last Name : Taghizadieh Address: Emergency Department, Tabriz University of Medical Sciences, Daneshgah Street, Imam Reza Hospital , I.R IRAN. Phone: +984113330066 Fax: +984113352078 Cell phone:+989144126103 Email: [email protected] Date of Birth: 7/4/1971 Place of Birth: Tabriz-Iran Marital Status: Married Citizenship:
MESA ELECTRONICS 4C24 PC/104 CPU