MX8 PENTIUM 4 SINGLE BOARD COMPUTER TECHNICAL INFO , TRENTON TECHNOLOGY SYSTEM HOST BOARD SINGLE BOARD COMPUTER

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Single Board Computer
MX8 (6240-xxx)
Jumpers Connectors Connectors Memory

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Jumpers
The setup of the configuration jumpers on the SBC is described below. * indicates the default value of each jumper.

NOTE:
For two-position jumpers (3-post), "TOP" is toward the memory sockets; "BOTTOM" is toward the edge fingers.

JU5/JU7 Speed LED - LAN 1/LAN 2
These jumpers are used in conjunction with the Link/Speed LEDs for LAN 1 (JU5) and LAN 2 (JU7). The LEDs are located on the SBC's LAN connectors. For further information see the Ethernet LEDs and Connectors section.

Install to use the Link/Speed LED to indicate that the Ethernet interface has a valid link at either 1000-Mb/s or 100-Mb/s.

Green = valid link at 1000-Mb/s *
Orange = valid link at 100-Mb/s

Remove to use the Link/Speed LED to indicate that the Ethernet interface has a valid link at either 100-Mb/s or 10Mb/s.

Green = valid link at 100-Mb/s
Orange = valid link at 10-Mb/s
JU8 PASSWORD CLEAR
Install for one power-up cycle to reset the password to the default (null password).
Remove for normal operation. *
JU9 SCSI Termination
This jumper may be used to enable or disable on-board active termination for the Ultra160 SCSI interface.

Install on the TOP to enable active termination *
Install on the BOTTOM to allow the AIC-7892 to control termination.
Remove to disable active termination.

JU10/JU11 SYSTEM FLASH ROM OPERATIONAL MODES
The Flash ROM has two programmable sections: the Boot Block for "flashing" in the BIOS and the Main Block for the executable BIOS and PnP parameters.

Normally only the Main Block is updated when a new BIOS is flashed into the system
JU10 JU11
All Blocks Write Enabled Remove * Remove *
Boot Block Write Protected Install Remove
Block 2-16 Write Protected Remove Install

JU12 CMOS CLEAR
Install on the TOP to operate.*
Install on the BOTTOM to clear.

NOTE: The CMOS Clear jumper works on power-up. To clear the CMOS, power down the system, install the jumper, then turn the power back on. Wait for at least two seconds and turn the power off. Then remove the jumper and turn the power on. When AMIBIOS displays the "CMOS Settings Wrong" message, press F1 to go to the BIOS Setup Utility, where you may reenter your desired BIOS settings, load optimal defaults or load failsafe defaults.
Ethernet LEDs
ETHERNET LEDS AND CONNECTORS
Each Ethernet interface has two LEDS for status indication and an RJ-45 network connector.
LED/Connector Description
Activity LED Orange LED which indicates network activity. This Is the upper LED on the LAN connector (i.e.,toward the memory sockets).
    Off Indicates there is no current network transmit or receive activity.
    On (flashing) Indicates network transmit or receive activity.
Link/Speed LED Bi-color (green/orange) LED which identifies the link status and connection speed. This is the lower LED on the LAN connector (i.e., toward the edge connectors).
    Green Indicates a valid link at either 1000-Mb/s or 10-Mb/s, depending on the setting of the associated Speed LED jumper (JU5 or JU7).
    Orange Indicates a valid link at 100-Mb/s, regardless of the setting of the associated Speed LED jumper (JU5 or JU7).
  NOTE: For further information on the Speed LED Jumpers, see the Jumpers section.




LED/Connector Description
RJ-45 Network The RJ-45 network connector requires a category 5 (CAT5) unshielded twisted-pair (UTP) 2-pair cable for a 100-Mb/s network connection or a category 3 (CAT3) or higher UTP 2-pair cable for a 10-Mb/s network connection. A category 5e (CAT5e) or higher UTP 2-pair cable is recommended for a 1000-Mb/s (Gigabit) network connection.
Connectors

NOTE:
Pin 1 on the connectors is indicated by the square pad
on the PCB.

P1 - 10/100/1000Base-T Ethernet Connectors - LAN2
8 pin shielded RJ-45 connector, Belfuse #0826-1X1T-23
PIN SIGNAL
1 TRP1+
2 TRP1-
3 TRP2+
4 TRP3+
PIN SIGNAL
5 TRP3-
6 TRP2-
7 TRP4+
8 TRP4-

P3 - FLOPPY DRIVE CONNECTOR
34 pin dual row header, AMP #103308-7
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

P4A - KEYBOARD HEADER
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

P5 - SPEAKER PORT CONNECTOR
4 pin single row header, Amp #640456-4
PIN SIGNAL
1 Speaker Data
2 Key
3 Gnd
4 +5V

P6 - SERIAL PORT 1 CONNECTOR
10 pin dual row header, Amp #103308-1
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

P7 - SERIAL PORT 2 CONNECTOR
10 pin dual row header, Amp #103308-1
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
26 pin dual row header, Amp #103308-6
PIN SIGNAL
1 Strobe
3 Data Bit 0
5 Data Bit 1
7 Data Bit 2
9 Data Bit 3
11 Data Bit 4
13 Data Bit 5
15 Data Bit 6
17 Data Bit 7
19 ACK
21 Busy
23 Paper End
25 Slct
PIN SIGNAL
2 Auto Feed XT
4 Error
6 Init
8 Slct In
10 Gnd
12 Gnd
14 Gnd
16 Gnd
18 Gnd
20 Gnd
22 Gnd
24 Gnd
26 NC

P9 - PS/2 MOUSE AND KEYBOARD CONNECTOR
6 pin mini DIN, Kycon #KMDG-6S-B4T
PIN SIGNAL
1 Ms Data
2 Kbd Data
3 Gnd
4 Power (+5V fused) with
self-resetting fuse
5 Ms Clock
6 Kbd Clock

P9A - PS/2 MOUSE HEADER
6 pin single row header, Amp #640456-6
PIN SIGNAL
1 Ms Data
2 Reserved
3 Gnd
4 Power (+5V fused) with
self-resetting fuse
5 Ms Clock
6 Reserved

P10 - EXTERNAL RESET CONNECTOR
2 pin single row header, Amp #640456-2
PIN SIGNAL
1 External Reset In (Low Active)
2 Gnd

P11 - PRIMARY IDE HARD DRIVE CONNECTOR
 40 pin dual row header, 3M #30340-6002HB
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 SELPDP
30 Gnd
32 NC
34 PCBL DET *
36 Add 2
38 CS 3P
40 Gnd


* For ATA/66 and ATA/100 drives, which should be set for Cable Select for proper speed operation. If other Drives are detected, pin definition is Gnd.

P11A - SECONDARY IDE HARD DRIVE CONNECTOR
40 pin dual row header, 3M #30340-6002HB
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 IRQ15
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 SELPDS
30 Gnd
32 NC
34 SCBL DET *
36 Add 2
38 CS 3S
40 Gnd

* For ATA/66 and ATA/100 drives, which should be set for Cable Select for proper speed operation. If other drives are detected, pin definition is Gnd.



P12 - HARD DRIVE LED CONNECTOR
4 pin single row header, Amp #640456-4
PIN SIGNAL
1 LED +
2 LED -
3 LED -
4 LED +

P13 - ULTRA160 SCSI CONNECTOR
68 pin high density connector, Amp #749069-7
PIN SIGNAL
1 SCD12
2 SCD13
3 SCD14
4 SCD15
5 SCDPH
6 SCD0
7 SCD1
8 SCD2
9 SCD3
10 SCD4
11 SCD5
12 SCD6
13 SCD7
14 SCDPL
15 Gnd
16 DIFSENSE
17 TERMPWR
18 TERMPWR
19 NC
20 Gnd
21 SCATN
22 Gnd
23 SCBSY
24 SCACK
25 SCRST
26 SCMSG
27 SCSEL
28 SCCD
29 SCREQ
30 SCIO
31 SCD8
32 SCD9
33 SCD10
34 SCD11
PIN SIGNAL
35 SCD#12
36 SCD#13
37 SCD#14
38 SCD#15
39 SCDPH#
40 SCD#0
41 SCD#1
42 SCD#2
43 SCD#3
44 SCD#4
45 SCD#5
46 SCD#6
47 SCD#7
48 SCDPL#
49 Gnd
50 Gnd
51 TERMPWR
52 TERMPWR
53 NC
54 Gnd
55 SCATN#
56 Gnd
57 SCBSY#
58 SCACK#
59 SCRST#
60 SCMSG#
61 SCSEL#
62 SCCD#
63 SCREQ#
64 SCIO#
65 SCD#8
66 SCD#9
67 SCD#10
68 SCD#11

P15 - VIDEO INTERFACE CONNECTOR
15 pin HD15 connector, Amp #1-1470250-3
PIN SIGNAL
1 Red
2 Green
3 Blue
4 NC
5 Gnd
PIN SIGNAL
6 Gnd
7 Gnd
8 Gnd
9 +5V
10 Gnd
PIN SIGNAL
11 NC
12 EEDI
13 HSYNC
14 VSYNC
15 EECS

P16 - 10/100/1000BASE-T ETHERNET CONNECTOR - LAN1
8 pin shielded RJ-45 connector, Belfuse #0826-1X1T-23
PIN SIGNAL
1 TRP1+
2 TRP1-
3 TRP2+
4 TRP3+
PIN SIGNAL
5 TRP3-
6 TRP2-
7 TRP4+
8 TRP4-

P17 - 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

P18 - SYSTEM HARDWARE MONITOR CONNECTOR
4 pin single row header, Amp #640456-4
PIN SIGNAL
1 Gnd
2 GPO (General Purpose Output)
3 CI (Chassis Intrusion Input)
4 OVT (Over Temperature)

P19 - CPU FAN
3 pin single row header, Molex #22-23-2031
PIN SIGNAL
1 Gnd
2 +12V
3 FanTach

P21 - POWER GOOD LED
2 pin single row header, Amp #640456-2
PIN SIGNAL
1 LED -
2 LED +

P22 - SYSTEM MANAGEMENT BUS CONNECTOR
2 pin single row header, Amp #640456-2
PIN SIGNAL
1 SMB Clock
2 SMB Data

P24 - +12V VRM POWER INPUT
4 pin header, Molex #39-29-3046
PIN SIGNAL
1 GND
2 GND
3 +12V
4 +12V

P27 - SATA PORT1
7 pin vertical connector, Molex #67491-0031
PIN SIGNAL
1 Gnd
2 TX+
3 TX-
4 Gnd
5 RX-
6 RX+
7 Gnd

P28 - SATA PORT2
7 pin vertical connector, Molex #67491-0031
PIN SIGNAL
1 Gnd
2 TX+
3 TX-
4 Gnd
5 RX-
6 RX+
7 Gnd

Memory
The Double Data Rate (DDR) memory interface supports up to 2GB of memory and can operate as either a single-channel (64-bit) or dual-channel (128-bit) DDR interface. Each of the channels terminates in a dual in-line memory module (DIMM) socket. Installing two identical DIMMs doubles the interface bandwidth. The System BIOS automatically detects memory type, size and speed.

The SBC uses industry standard 72-bit wide ECC or 64-bit wide non-ECC gold finger PC2100, PC2700 or PC3200 memory modules in two 184-pin sockets.

NOTE: Memory modules can be installed in one or both DIMM sockets. If two modules of different speeds are used, the DIMMs will operate in dual-channel mode at the speed of the slowest DIMM. If the modules are different sizes, they will operate in single-channel mode. Registered DIMMs are not supported. All memory modules must have gold contacts.

The SBC supports DIMMs which are PC2100/PC2700/PC3200 compliant and have the following features:
  • 184-pin with gold-plated contacts
  • ECC (72-bit) or non-ECC (64-bit) DDR memory
  • Unbuffered configuration
The following DIMM sizes are supported:
DIMM Size DIMM Type ECC
64MB Unbuffered 8M x 72
128MB Unbuffered 16M x 72
256MB Unbuffered 32M x 72
512MB Unbuffered 64M x 72
1GB Unbuffered 128M x 72
* Intel and Pentium are registered trademarks of Intel Corporation.

All other product names are trademarks of their respective owners.

MX8 Product Detail.


Copyright © 2003 Chassis Plans, LLC.
Last Updated: 2/28/03
   
 
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