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  Home > S6474 SBC Single Board Computer

I/O and PCI Express Expansion Board for the NLT and NLI System Host Boards
I/O and PCI Express Expansion Board for the NLT and NLI System Host Boards FEATURES
  •  
  • Two serial port connectors on the IOB31
  •  
  • On board headers for mouse and keyboard to support PS/2 keyboard and mouse operation
  •  
  • On board connectors for parallel printer and floppy ports
  •  
  • PCI Express expansion capability for backplanes such as Chassis Plans' BPX3/14
    DESCRIPTION
    The IOB31 is an optional I/O and PCI Express expansion board that connects to the controlled impedance connector (P20) on the NLT or NLI system host board (SHB) to complement the advanced USB and SATA I/O capability of the SHBs.

    In addition, the IOB31 provides a x4 PCI Express edge connector that connects to a PCI Express expansion slot on backplanes like Chassis Plans' BPX3/14.

    This PCI Express interface is designed to support additional high-speed backplane card slots while taking advantage of the increased bandwidth capabilities between the SHB and the option cards made possible by PCI Express technology.

    The layout drawings below show the placement of the board's I/O and PCI Express expansion connectors. The IOB31 comes with mounting hardware and standoffs for securely attaching the IOB31 to either a NLT or NLI SHB.

    Connectors

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

    P1 - SERIAL PORT 1 CONNECTOR (COM 1)
    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


    P2 - SERIAL PORT 2 CONNECTOR (COM 2)
    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


    P4 - 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


    P5 - 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





    P6 - I/O Expansion Mezzanine Card Connector
    76 pin controlled impedance connector,
    Samtec #MIS-038-01-FD-K
    PIN SIGNAL
    1 +12V
    3 NC
    5 NC
    7 NC
    9 NC
    11 NC
    13 ICH_SMI#
    15 ICH_SIOPME#
    17 Gnd
    19 L_FRAME#
    21 L_DRQ1#
    23 L_DRQ0#
    25 SERIRQ
    27 Gnd
    29 PCLK14SIO
    31 Gnd
    33 SMBDATA_RESUME
    35 SMBCLK_RESUME
    37 SALRT#_RESUME
    39 Gnd
    41 EXP_CLK100
    43 EXP_CLK100#
    45 Gnd
    47 C_PE_TXP4
    49 C_PE_TXN4
    51 Gnd
    53 C_PE_TXP3
    55 C_PE_TXN3
    57 Gnd
    59 C_PE_TXP2
    61 C_PE_TXN2
    63 Gnd
    65 C_PE_TXP1
    67 C_PE_TXN1
    69 Gnd
    71 +3.3V
    73 +3.3V
    75 +3.3V
    PIN SIGNAL
    2 +5V_STANDBY
    4 +5V_STANDBY
    6 +5V_DUAL
    8 +5V_DUAL
    10 NC
    12 NC
    14 ICH_RCIN#
    16 ICH_A20GATE
    18 Gnd
    20 L_AD3
    22 L_AD2
    24 L_AD1
    26 L_AD0
    28 Gnd
    30 PCLK33LPC
    32 Gnd
    34 IPMB_DAT
    36 IPMB_CLK
    38 IPMB_ALRT#
    40 Gnd
    42 EXP_RESET#
    44 ICH_WAKE#
    46 Gnd
    48 C_PE_RXP4
    50 C_PE_RXN4
    52 Gnd
    54 C_PE_RXP3
    56 C_PE_RXN3
    58 Gnd
    60 C_PE_RXP2
    62 C_PE_RXN2
    64 Gnd
    66 C_PE_RXP1
    68 C_PE_RXN1
    70 Gnd
    72 +5V
    74 +5V
    76 +5V


    P7 - 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


    P8 - 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



    MODEL NAME: IOB31
    MODEL# MODEL NAME DESCRIPTION
    S6474-000 IOB31 Optional I/O and PCI Express expansion board for the NLT and NLI system host boards

    NLT Product Detail
    NLI Product Detail
       
     
     


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