2. System Reference

12 SPI-8451-LLVA, SPI-8452-LLVA, SPI-8451-LVA

Connector & Jumper Location
DIMM1
DIMM2
CN1
PW1
CN2
CN3CN5
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 CN18CN19 CN20
FAN1
CN10
CN11CN12

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