NOTE: For two-position jumpers (3-post), "RIGHT" is toward the bracket end of the SBC; "LEFT" is toward the memory sockets. * = default value JU80 CRT TYPE SELECT TOP = Color * BOTTOM = Monochrome JU81 PASSWORD CLEAR INSTALL = Reset to null REMOVE = Normal operation * JU82 WATCHDOG TIMER LEFT = Normal reset * RIGHT = Enable watchdog JU83 CMOS CLEAR INSTALL = Clear CMOS REMOVE = Operate * JU84 P5A SPEAKER CONNECT INSTALL= Connect speaker data signal to pin 8 of Combo I/O connector (P5A) * REMOVE= Disconnect JU85 P5A RESET CONNECT INSTALL= Connect reset data signal to pin 1 of Combo I/O connector (P5A) * REMOVE= Disconnect JU86 INTERRUPT 12 (IRQ12) SELECT INSTALL= Dedicate IRQ12 to PS/2 mouse. * REMOVE= Make IRQ12 available for system use. JU89 3.3V MONITOR ENABLE INSTALL = Enable 3.3V monitor. REMOVE = Disable 3.3V monitor. * NOTE: JU89 enables the 3.3 volt monitor, which monitors the 3.3V power plane of the backplane. This voltage is routed to the SBC via the PICMG® connector. The monitor generates a RESET to the SBC if 3.3V is below tolerance. If your system does not supply 3.3V to the backplane, this jumper must be removed (disabled). JU100 ON-BOARD SERIAL PORT 1 INTERRUPT SELECT LEFT = IRQ3 RIGHT = IRQ4 * JU101 ON-BOARD SERIAL PORT 2 INTERRUPT SELECT LEFT = IRQ3 * RIGHT = IRQ4 JU102 ON-BOARD PARALLEL PORT INTERRUPT SELECT LEFT = IRQ5 RIGHT = IRQ7 * JU103 PARALLEL PORT DACK Pins DACK #7 1-2 DACK #6 3-4 DACK #5 5-6 DACK #3 7-8	JU104 PARALLEL PORT DREQ Pins DREQ #7 1-2 DREQ #6 3-4 DREQ #5 5-6 DREQ #3 7-8 JU120 SCSI TERMINATION INSTALL= Disable on-board active termination for SCSI interface REMOVE= Enable active termination * CPU SPEED JUMPERS There are five jumpers (J140, J141, W12, W12A and W99) which must be set correctly to allow the SBC to take full advantage of the speed of the Pentium microprocessor. The jumper settings depend on the bare board revision level as indicated in the following charts. Bare Board Revision Levels Prior to K-A-06: CPU Synthesizer Jumpers CPU Speed Bus Clock Speed Frequency J140 J141 W12 W12A* W99 233MHz 66MHz Out In Bottom Bottom/Right In 200MHz 66MHz Out In Bottom Top/Left In 166MHz 66MHz Out In Top Top/Left In 150MHz 60MHz In Out Top Top/Left In 133MHz 66MHz Out In Top Bottom/Right In 120MHz 60MHz In Out Top Bottom/Right In 100MHz 66MHz Out In Bottom Bottom/Right In 90MHz 60MHz In Out Bottom Bottom/Right In 75MHz 50MHz In In Bottom Bottom/Right Out * Orientation of jumper depends on bare board revision level. Bare Board Revision Levels K-A-06 and Above: CPU Synthesizer Jumpers CPU Speed Bus Clock Speed Frequency J140 J141 W12 W12A W99 233MHz 66MHz Out In Top Top In 200MHz 66MHz Out In Top Bottom In 166MHz 66MHz Out In Bottom Bottom In 150MHz 60MHz In Out Bottom Bottom In 133MHz 66MHz Out In Bottom Top In 120MHz 60MHz In Out Bottom Top In 100MHz 66MHz Out In Top Top In 90MHz 60MHz In Out Top Top In
NOTE: Pin 1 on the connectors is indicated by the square pad on the PCB. P2 - KEYLOCK CONNECTOR 5 pin single row header, Amp #640456-5 PIN SIGNAL 1 LED Power 2 Key 3 Gnd 4 Keylock Data 5 Gnd P3 - FLOPPY DRIVE CONNECTOR 34 pin dual row header, Robinson Nugent #IDH-34LP-S3-TR PIN SIGNAL 1 Gnd 3 Gnd 5 Gnd 7 Gnd 9 Gnd 11 Gnd 13 Gnd 15 Gnd 17 Gnd 19 Gnd 21 Gnd 23 Gnd 25 Gnd 27 Gnd 29 Gnd 31 Gnd 33 Gnd PIN SIGNAL 2 N-RPM 4 NC 6 D-Rate0 8 P-Index 10 N-Motoron 1 12 N-Drive Sel2 14 N-Drive Sel1 16 N-Motoron 2 18 N-Dir 20 N-Stop Step 22 N-Write Data 24 N-Write Gate 26 P-Track 0 28 P-Write Protect 30 N-Read Data 32 N-Side Select 34 Disk Chng P4 - KEYBOARD CONNECTOR 5 pin single row header, Amp #640456-5 PIN SIGNAL 1 Kbd Clock 2 Kbd Data 3 Key 4 Kbd Gnd 5 Kbd Power (+5V fused) with self-resetting fuse P4A - PS/2 MOUSE HEADER 6 pin single row header, Amp #640456-6 PIN SIGNAL 1 Ms Data 2 Reserved 3 Kbd Gnd 4 Kbd Power (+5V fused) with self-resetting fuse 5 Ms Clock 6 Reserved P5 - SPEAKER PORT CONNECTOR 4 pin single row header, Amp #640456-4 PIN SIGNAL 1 Speaker Data 2 Key 3 Gnd 4 +5V P5A - COMBO I/O CONNECTOR 8 pin single row header, Amp #640456-8 PIN SIGNAL 1 Reset (See JU85 in Configuration Jumpers above.) 2 Gnd 3 NC 4 Kbd Clock 5 Kbd Data 6 Kbd Lock Data 7 Kbd Power (+5V fused) with self-resetting fuse 8 Speaker Data P6 - SERIAL PORT 1 CONNECTOR 9 pin D, Foxconn International #UDBA11S2LA PIN SIGNAL 1 Carrier Detect 2 Receive Data-I 3 Transmit Data-0 4 Data Terminal Ready-0 5 Signal Gnd PIN SIGNAL 6 Data Set Ready-I 7 Request to Send-O 8 Clear to Send-I 9 Ring Indicator-I P7 - SERIAL PORT 2 CONNECTOR 10 pin dual row header, Robinson Nugent #IDH-10LP-S3-TR PIN SIGNAL 1 Carrier Detect 3 Receive Data-I 5 Transmit Data-0 7 Data Terminal Ready-0 9 Signal Gnd PIN SIGNAL 2 Data Set Ready-I 4 Request to Send-O 6 Clear to Send-I 8 Ring Indicator-I 10 NC P8 - PARALLEL PORT CONNECTOR 25 pin D, Amp #747846-3 PIN SIGNAL 1 Strobe 2 Data Bit 0 3 Data Bit 1 4 Data Bit 2 5 Data Bit 3 6 Data Bit 4 7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 10 ACK 11 Busy 12 Paper End 13 Slct PIN SIGNAL 14 Auto Feed XT 15 Error 16 Init 17 Slct In 18 Gnd 19 Gnd 20 Gnd 21 Gnd 22 Gnd 23 Gnd 24 Gnd 25 Gnd	P9 - CPU FAN 2 pin header, Amp #640456-2 PIN SIGNAL 1 +12V 2 Gnd P10 - EXTERNAL RESET CONNECTOR 2 pin header, Amp #640456-2 PIN SIGNAL 1 Negative External Reset 2 Gnd P11 - PRIMARY IDE HARD DRIVE CONNECTOR 40 pin dual row header, Robinson Nugent #IDH-40LP-S3-TR PIN SIGNAL 1 Reset 3 Data 7 5 Data 6 7 Data 5 9 Data 4 11 Data 3 13 Data 2 15 Data 1 17 Data 0 19 Gnd 21 DRQ 0 23 IOW 25 IOR 27 IORDY 29 DACK 0 31 IRQ 14 33 Add 1 35 Add 0 37 CS 1P 39 IDEACTP PIN SIGNAL 2 Gnd 4 Data 8 6 Data 9 8 Data 10 10 Data 11 12 Data 12 14 Data 13 16 Data 14 18 Data 15 20 NC 22 Gnd 24 Gnd 26 Gnd 28 +5V 30 Gnd 32 IOCS16 34 Gnd 36 Add 2 38 CS 3P 40 Gnd P11A - SECONDARY IDE HARD DRIVE CONNECTOR 40 pin dual row header, Robinson Nugent #IDH-40LP-S3-TR PIN SIGNAL 1 Reset 3 Data 7 5 Data 6 7 Data 5 9 Data 4 11 Data 3 13 Data 2 15 Data 1 17 Data 0 19 Gnd 21 DRQ 1 23 IOW 25 IOR 27 IORDY 29 DACK 1 31 MIRQ 0 33 Add 1 35 Add 0 37 CS 1S 39 IDEACTS PIN SIGNAL 2 Gnd 4 Data 8 6 Data 9 8 Data 10 10 Data 11 12 Data 12 14 Data 13 16 Data 14 18 Data 15 20 NC 22 Gnd 24 Gnd 26 Gnd 28 +5V 30 Gnd 32 IOCS16 34 Gnd 36 Add 2 38 CS 3S 40 Gnd P12 - HARD DRIVE LED CONNECTOR 4 pin single row header, Amp #640456-4 PIN SIGNAL 1 +5V Pullup 2 Light 3 Light 4 +5V Pullup P13 - PCI SCSI CONTROLLER CONNECTOR 50 pin dual row header, Robinson Nugent #IDH-50LP-S3-TR PIN SIGNAL 1 Gnd 3 Gnd 5 Gnd 7 Gnd 9 Gnd 11 Gnd 13 Gnd 15 Gnd 17 Gnd 19 Gnd 21 Gnd 23 Gnd 25 NC 27 Gnd 29 Gnd 31 Gnd 33 Gnd 35 Gnd 37 Gnd 39 Gnd 41 Gnd 43 Gnd 45 Gnd 47 Gnd 49 Gnd PIN SIGNAL 2 SCZDB0 4 SCZDB1 6 SCZDB2 8 SCZDB3 10 SCZDB4 12 SCZDB5 14 SCZDB6 16 SCZDB7 18 SCZDBP 20 Gnd 22 Gnd 24 Gnd 26 TERMPWR 28 Gnd 30 Gnd 32 SCZATN 34 Gnd 36 SCZBSY 38 SCZACK 40 SCZRST 42 SCZMSG 44 SCZSEL 46 SCZCD 48 SCZREQ 50 SCZIO P141 - UNIVERSAL SERIAL BUS (USB) CONNECTOR 8 pin dual row header, Molex #702-46-0821 (+5V fused with self-resetting fuses) PIN SIGNAL 1 +5V - USB0 3 USB0- 5 USB0+ 7 Gnd - USB0 PIN SIGNAL 2 +5V - USB1 4 USB1- 6 USB1+ 8 Gnd - USB1

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