![](/images/new-backgrounds/1202356/20235675x1.webp)
2-5 Connectors/IO Ports
The I/O ports are color coded in conformance with the PC 99 specification. See the figure below for the colors and locations of the various I/O ports.
Motherboard I/O Backpanel
KB/MS | JPUSB1:B/P USB WAKE UP | JPUSB1 | |
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USB4/5/IPMI_LAN |
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| MH3 |
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| JPUSB1 |
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| 1 | 4 |
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COM1 |
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COM1 |
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| JTPM |
VGA |
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J28 |
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| LAN1 |
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| JLAN1 |
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R137
JPG1 VGA
J5
| 1 | 3 |
JSTBY1 | 3 | |
1 |
| |
JPG1 |
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1
1
1
JPL2 JPME1
JPL1 JPME2
+
SPEAKER JSPK: Buzzer/Speaker SPKR1
J16
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| JSPK | COM2 |
JPL1 LAN1 | JPL2 LAN2 | JPME1 ON:ME RECOVERY OFF:NORMAL | JPME2 ON:ME MANUFACTURING MODE OFF:NORMAL |
CMOS CLEAR | JBT1 |
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JUSB4 | JWD | JWD | JPI2C:PWR I2C |
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| J31 | JPI2C | JF1 | |
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JLED | J29 | MH4 |
| 20 | |
| JLED:Power LED |
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| CPU |
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| J1 |
| LED | LED 1 | 2 | OH/F | F |
| PF | FAIL | |||
NM X | I PW | HDR D NI CNI | CUI DPS RST ON PWR | ||
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| 1 |
JF1
+
B1
CODEMAC
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| JLAN2 LAN2 |
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| 7 |
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LE5 A | SW1 | 1 |
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C |
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MH8 |
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| J8 |
J4 |
| JI2C1/JI2C2 ON:Enable OFF:Disable |
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| JI2C1 | 1 |
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| JI2C2 | 1 |
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UIOP
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| REV:1.00 |
| CODE |
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LE7 | A C |
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| DESIGNED IN USA | BAR |
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| JSD1:DOMPWR | GNDGND 5V | C768 |
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| MH2 | |||||
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| JSD1 |
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| 1 |
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| 3 |
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| SBX2: |
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| J2 |
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| SBX1: | 3.0/2.0 X16 or X8+X8 |
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| JL1:CHASSIS INSTRUSION |
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| JPB:BMC | |||
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| JPB |
| JL1 |
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DDR3 1600/1333/1066 UDIMM/RDIMM required
DIMMA1
DIMMA2
DIMMB1
DIMMB2
J3
| SBX3: | |
J15 | USB 12/13 | USB |
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JUSB3
11
10
1 3
6 | 7 | 8 | 9 | 10 |
24
5
Motherboard I/O Backpanel
1. | PS/2 Keyboard Port | 6. | COM1 | |
2. | PS/2 Mouse Port | 7. VGA | ||
3. | IPMI LAN | 8. | LAN 1 | |
4. USB | 3 | 9. LAN 2 | ||
5. | USB | 4 | 10. UID Switch |