Contec PC-686CPCI-LV, User Manual

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CHAPTER 2 –Hardware Installations
30 PC-686 (CPCI)-LV User’s Manual
2.13 External Battery Connector: CN10
It is a 2 Pin connector used for external battery. An external battery
powers the real-time clock and CMOS memory.
PIN No. Function
1 GND
CN10
1
2
2 Ext_bat
Housing:XHP-2(JST)
Contact:SXH-001T-P0.6(JST)
Note: In using the external battery, you need 1-2pin short of JP11.
And the available external battery is Lithium battery that the Voltage is 3V.
2.14 Primary IDE port Connector: CN11
The CPU board PC-686(CPCI) has one independent bus-mastering PCI
IDE interface. This interface support PIO Mode 3, PIO Mode 4, ATAPI devices
(e.g., CD-ROM), and Ultra DMA/33 synchronous-DMA mode transfers. The
BIOS supports logical block addressing (LBA) and extended cylinder head sector
(ECHS) translation modes. The BIOS automatically detects the IDE device
transfer rate and translation mode.
Programmed I/O operations usually require a substantial amount of
processor bandwidth. However, in multitasking operating systems, the bandwidth
freed by bus mastering IDE can be devoted to other tasks while disk transfers are
occurring.
The CPU board PC-686(CPCI) also supports laser servo (LS-120)
technology allows the user to perform read/write operations to LS-120 (120 MB)
and conventional 1.44 MB and 720 KB diskettes. An optical server system is used
to precisely position a dual-gap head to access the diskette’s 2,490 tracks per inch
(tpi) containing up to 120MB of data storage. A conventional diskette uses 130 tpi
for 1.44MB of data storage.
LS-120 drives are ATAPI-compatible and connect to the CPU board’s IDE
interface. (LS-120 drives are also available with SCSI and parallel port interfaces.)
Some versions of Windows 95 and Windows NT operating system recognize the