The PC-104 embedded
computer standard defines both a form factor and a computer
bus. PC-104 is intended for specialized
embedded computing environments, such as are used with
military, medical, and industrial automation applications.
 Unlike the popular ATX form factor, which uses the PCI bus and is currently used with most PCs, the PC-104 form factor has no backplane, and instead allows modules to be stacked together like building blocks. The stacking of the modules is naturally more rugged than what is used in the typical PC. The mounting-holes in the corners of each module allow the boards to be fastened to each other with standoffs.
PC/104 includes 3 form factors: PC/104, PC/104-Plus, and PCI-104.
Form
Factor |
Release
Year |
|
Current
Version |
MOXA
products |
PC/104 |
1992 |
ISA |
2.5 |
CA-108,
CA-114,
CA-134I,
CA-104,
CA-132,
CA-132I |
PC/104-Plus |
1997 |
|
2.0 |
CB-108,
CB-114,
CB-134I |
PCI-104 |
2003 |
|
1.0 |
N/A |
|
 More and more industrial applications require products rated to operate reliably
in a wide range of operating temperatures. In fact, most
manufacturers provide PC/104 CPU modules that are guaranteed
to operate in temperatures ranging from as low as
-40°C to
as high as 85°C, and MOXA's new PC/104 and PC/104-Plus products
are no exception.
New products available this month
| CB-108/ CB-114/ CB-134I |
|
4-
and 8-port PC/104-Plus modules for RS-232, RS-422/485,
or RS-232/422/485,
with Optical Isolation
|
| CA-108/ CA-134I |
|
| 4-
and 8-port PC/104 modules for RS-232 or RS-422/485,
with Optical Isolation |
Hardware Features
| • |
|
Serial communication speed up to 921.6 Kbps |
| • |
|
128-byte FIFO and on-chip H/W, S/W flow control |
| • |
|
Onboard TxD, RxD LED indicators for each port |
| • |
|
Built-in 15 KV ESD protection |
| • |
|
Jumper and DIP switch selectable I/O, IRQ settings |
| • |
|
-40 to 85°C operating temperature |
| • |
|
40-pin header connector on each side |
| • |
|
Onboard Tx, Rx LED indicators for each por |
Software Features
| • |
|
Support for a wide range of operating systems:
Windows CE 5.0, Windows XP Embedded, DOS,
Windows 9x/NT/2000/XP/2003, Linux 2.4/2.6, FreeBSD 4.x/5.x |
| |
|
 |
| |
|
|
| • |
|
Built-in drivers for QNX, FreeBSD 6.x |
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|
