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2 CMX158886 cpuModule BDM-610000049 Rev G
CMX158886 cpuModules
RTD's CMX158886 cpuModule represents the latest in high-performance embedded computing solutions. It
includes 400 MHz source-synchronous Front Side Bus (FSB), on-die 2 MB (PX) or 512kB (CX) L2 cache, and data
pre-fetch logic. It uses a 333MHz DDR-SDRAM controller that can support up to 2.7 G-Bytes per second of
memory bandwidth. All memory chips are soldered directly onto the board. The Pentium-M (PX) processor
features Enhanced Intel SpeedStep® technology, which enables real-time dynamic switching between multiple
voltage and frequency points. This results in optimal performance without compromising low power.
The video interface is provided by an Analog SVGA output and an LVDS flat panel output. The two outputs are
independent, and can display separate images and display timings. Maximum resolution is 2048 x 1536.
High-speed peripheral connections include USB 2.0, with up to 480 Mb/sec data throughput. An ATA-100/66/33
IDE controller provides a fast connection to the hard drive. Network connectivity is provided by an integrated
10/100 Mbps Ethernet controller. Other features include two RS-232/422/485 COM ports, Parallel Port, and
AC97 audio.
RTD has gone the extra mile to include additional advanced features for maximum flexibility. These include an
ATA/IDE Disk Chip socket that allows a true IDE drive to be attached to the board, either socketed or soldered.
A MultiPort can be configured as a standard EPP/ECP parallel port, a floppy drive port, or an Advanced Digital
I/O (aDIO) port. The DDR-SDRAM controller on selected models uses Error-Correcting-Codes (ECC) to correct
single bit memory errors, and detect two-bit memory errors, providing for a more robust memory system.
SDRAM is soldered directly to the board for high vibration resistance. The CMX158886 is also available in a
rugged, fanless IDAN enclosure.
Figure 1 CMX158886 cpuModule (top view)
ATA/ IDE
Disk Chip
(U16)
PCI Bus (CN16)
COM1
(CN7)
COM2
(CN8)
SVGA
Video
(CN18)
EIDE (CN10)
Auxiliary Power
(CN3)
Multi-
Function
(CN5)
multiPort
(CN6)
LVDS Flat
Panel
(CN19)
Ethernet
(CN20)
USB 2.0
(CN17)
Audio
(CN11)
ISA Bridge Link
(CN4)
Cont. Fan
(CN14)
Power
Mngmt.
(CN12)
Switched
Fan
(CN15)
Battery
(CN13)