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2. System Reference
12
SPI-8451-LLVA, SPI-8452-LLVA, SPI-8451-LVA
Connector & Jumper Location
DIMM1
DIMM2
CN1
PW1
CN2
CN3 CN5
CN13
CN4
JP1 JIR1JP2 JP3 JCDIN1
CN14
CN21
BATT1
JBAT1
CN8
CN6: COM1
CN7: COM2
CN9
CN24
CN15
CN16
CN17
CN22
CN23
JKB3
JKB1
JKB4
JKB2
FAN2
CN18 CN19
CN20
FAN1
CN10
CN11 CN12
Figure 2.1. Connector & Jumper Location
Item Content Item Content
CN1 ATX power control Connector CN21
External Battery Connector
(SPI-8451-LVA only)
CN2 Front Panel Connector BATT1
Battery Holder
(SPI-8451-LVA only)
CN3 Floppy Disk Drive Connector CN22 Keyboard / Mouse Connector
CN13, CN4 Primary / Secondary IDE Connector CN23 External Keyboard Connector
CN5 Parallel Port Connector
DIMM1,
DIMM2
DIMM Memory Socket
CN6, CN7 Serial Port Connector FAN1 CPU FAN Connector
CN14, CN8
Primary / Secondary IDE RAID
Connector
(SPI-8451-LLVA only)
FAN2 System FAN Connector
CN9 Audio Connector PW1 +12V power supply Connector
CN10
Backlight connector
(SPI-8451-LLVA, SPI-8452-LLVA only)
JCDIN CD-IN Connector
CN11, CN12
LVDS Connector
(SPI-8451-LLVA, SPI-8452-LLVA only)
JBAT1 Clear CMOS
CN15
DVI-I Connector
(SPI-8451-LLVA, SPI-8452-LLVA only)
JIR1 IrDA Connector
CN24
VGA Connector
(SPI-8451-LVA only)
JP1, JP3 RS-232C/422/485 selector
CN16
100/1000 BASE-TX LAN connector
(SPI-8451-LLVA, SPI-8452-LLVA only)
JP2 RS-422/485 Terminator
CN17 10/100 BASE-TX LAN connector
CN18, CN19,
CN20
USB Connector
JKB1,JKB2,
JKB3,JKB4
Keyboard/Mouse signal selector