
TMC RESEARCH CORPORATION

IAT34PM

Processor         80386DX/CX486DLC/80486SX/80487SX/

                  80486DX/ODP486SX/80486DX2/ODP586SX
Processor Speed   20/25/33/50 (Internal)/50/66 (Internal)MHz
Chip Set          OPTI
Max. onboard DRAM 32MB
SRAM Cache        64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       Floppy drive interface, IDE interface, parallel port,
                  PS/2 mouse port,

                  serial ports (2), VGA feature connector, VGA port
NPU Options       80387DX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse                  J3       Video feature              J12
                                       connector

  Serial port                 J4       Speaker                    J14A

  Serial port                 J5       Power LED & keylock        J14B

  Parallel port               J6       Not used                   J14C

  VGA port                    J7       Turbo switch               J14D

  Floppy drive interface      J8       Turbo LED                  J14E

  IDE interface              J10       Reset switch               J14F

  External battery           J11       IDE interface LED        J14G, J13

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     Parallel port select unidirectional       JP6          Pins 2 & 3
      (printer)                                                closed

      Parallel port select bi-directional       JP6          Pins 1 & 2
                                                               closed

     Floppy drive select TEAC brand         JP7 & JP8       Pins 1 & 2
                                                               closed

      Floppy drive select Toshiba brand      JP7 & JP8       Pins 2 & 3
                                                               closed

     Monitor type select color                 JP11           Closed

      Monitor type select monochrome            JP11            Open

     SIMMs type select single density          JP12         Pins 1 & 2
                                                               closed

      SIMMs type select double density          JP12         Pins 2 & 3
                                                               closed

     CMOS memory normal operation              JP13         Pins 2 & 3
      (Internal Battery)                                       closed

      CMOS memory normal operation              JP13            Open
      (External Battery)

      CMOS memory clear                         JP13         Pins 1 & 2
                                                               closed

                  DRAM CONFIGURATION SINGLE DENSITY SIMMS

   Size       Bank 0      Bank 1     Bank 2      Bank 3         JP12

    1MB      256K x 36     NONE       NONE        NONE        Pins 1 & 2
                                                               closed

    2MB      256K x 36   256K x 36  256K x 36     NONE        Pins 1 & 2
                                                               closed

    2MB      512K x 36     NONE       NONE        NONE        Pins 2 & 3
                                                               closed

    3MB      256K x 36   256K x 36  256K x 36     NONE        Pins 1 & 2
                                                               closed

    4MB      1M x 36       NONE       NONE        NONE        Pins 1 & 2
                                                               closed

    5MB      1M x 36     256K x 36    NONE        NONE        Pins 1 & 2
                                                               closed

    6MB      1M x 36     256K x 36  256K x 36     NONE        Pins 1 & 2
                                                               closed

    8MB      2M x 36       NONE       NONE        NONE        Pins 2 & 3
                                                               closed

    8MB      1M x 36     1M x 36      NONE        NONE        Pins 1 & 2
                                                               closed

    9MB      1M x 36     1M x 36    256K x 36     NONE        Pins 1 & 2
                                                               closed

   10MB      512K x 36   2M x 36      NONE        NONE        Pins 2 & 3
                                                               closed

   10MB      1M x 36     1M x 36    256K x 36   256K x 36     Pins 1 & 2
                                                               closed

   12MB      1M x 36     1M x 36     1M x 36      NONE        Pins 1 & 2
                                                               closed

   13MB      1M x 36     1M x 36     1M x 36    256K x 36     Pins 1 & 2
                                                               closed

   16MB      1M x 36     1M x 36     1M x 36     1M x 36      Pins 1 & 2
                                                               closed

   16MB      2M x 36     2M x 36      NONE        NONE        Pins 2 & 3
                                                               closed

   16MB      4M x 36       NONE       NONE        NONE        Pins 1 & 2
                                                               closed

   20MB      4M x 36      1M x36      NONE        NONE        Pins 1 & 2
                                                               closed

   24MB      4M x 36      1M x36     1M x36       NONE        Pins 1 & 2
                                                               closed

   28MB      4M x 36      1M x36     1M x36      1M x36       Pins 1 & 2
                                                               closed

   32MB      4M x 36     4M x 36      NONE        NONE        Pins 1 & 2
                                                               closed

   32MB      8M x 36       NONE       NONE        NONE        Pins 2 & 3
                                                               closed

   36MB      4M x 36     4M x 36     1M x36       NONE        Pins 1 & 2
                                                               closed

   40MB      4M x 36     4M x 36     1M x36      1M x36       Pins 1 & 2
                                                               closed

   40MB      8M x 36     2M x 36      NONE        NONE        Pins 2 & 3
                                                               closed

   48MB      4M x 36     4M x 36     4M x 36      NONE        Pins 1 & 2
                                                               closed

   52MB      4M x 36     4M x 36     4M x 36     1M x36       Pins 1 & 2
                                                               closed

   64MB      8M x 36     8M x 36      NONE        NONE        Pins 2 & 3
                                                               closed

   64MB      4M x 36     4M x 36     4M x 36     4M x 36      Pins 1 & 2
                                                               closed

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        None       (1) 32K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                   CACHE RN SOCKET CONFIGURATION

      Size             RND1             RNE1            RNF1

      64KB          Installed      Not installed    Not installed

      128KB       Not installed      Installed      Not installed

      256KB       Not installed    Not installed      Installed

                                      I/O PORT CONFIGURATION

    IDE        FDC       LPT       PORT1      PORT2      JP1      JP2      JP3      JP4      JP5

  Primary    Primary      1         COM1       COM2     Closed   Open     Open     Open     Open

  Primary    Primary      2         COM1       COM2      Open    Open     Open     Open     Open

  Second.    Primary      1         COM1       COM2      Open    Closed   Open     Open     Open

  Disabled   Primary      1         COM1       COM2     Closed   Open     Closed   Closed   Open

  Disabled   Primary      2         COM1       COM2      Open    Open     Closed   Closed   Open

  Primary    Disabled     1         COM1       COM2     Closed   Open     Open     Closed   Closed

  Primary    Disabled     2         COM1       COM2      Open    Open     Open     Closed   Closed

  Second.    Disabled     1         COM1       COM2      Open    Closed   Open     Closed   Closed

  Disabled   Disabled     1         COM1       COM2     Closed   Open     Closed   Open     Closed

  Disabled   Disabled     2         COM1       COM2      Open    Open     Closed   Open     Closed

  Primary    Primary      1         COM1     Disabled   Closed   Closed   Closed   Open     Open

  Second.    Primary      1         COM1     Disabled    Open    Open     Open     Open     Open

  Primary    Primary      2         COM1     Disabled    Open    Closed   Closed   Closed   Open

  Primary    Primary      2         COM2       COM3      Open    Open     Closed   Open     Open

  Disabled   Primary      2         COM2       COM3     Closed   Closed   Closed   Closed   Open

  Primary    Disabled     2         COM2       COM3      Open    Open     Closed   Closed   Closed

  Disabled   Disabled     2         COM2       COM3     Closed   Closed   Closed   Open     Closed

  Primary    Primary      1         COM3       COM4     Closed   Closed   Open     Open     Open

  Second.    Primary      2         COM3       COM4     Closed   Open     Closed   Open     Open

  Second.    Disabled     2         COM3       COM4     Closed   Open     Closed   Closed   Closed

  Disabled   Primary      1         COM3       COM4      Open    Closed   Closed   Closed   Open

  Primary    Disabled     1         COM3       COM4     Closed   Closed   Open     Open     Closed

  Disabled   Disabled     1         COM3       COM4      Open    Closed   Closed   Open     Closed

  Primary    Primary      1         COM3     Disabled   Closed   Open     Open     Closed   Open

  Primary    Primary      2         COM3     Disabled    Open    Closed   Open     Closed   Open

  Second.    Primary      2         COM3     Disabled   Closed   Closed   Open     Closed   Open

  Primary    Primary      1       Disabled   Disabled   Closed   Open     Open     Open     Closed

  Primary    Primary      2       Disabled   Disabled    Open    Open     Open     Open     Closed

  Second.    Primary      1       Disabled   Disabled    Open    Closed   Open     Open     Closed

  Second.    Primary      2       Disabled   Disabled   Closed   Closed   Open     Open     Closed

  Disabled   Primary   Disabled   Disabled   Disabled    Open    Closed   Closed   Closed   Closed

  Disabled   Disabled  Disabled   Disabled   Disabled   Closed   Closed   Closed   Closed   Closed

                              CPU SPEED CONFIGURATION

    CPU      Speed     RNG1         RNG2         RNG3         RNG4        RNG5

  80386DX    33MHz  Installed        Not          Not          Not         Not
                                 installed    installed    installed    installed

  CX486SLC   33MHz  Installed        Not          Not          Not         Not
                                 installed    installed    installed    installed

  80386DX    40MHz      Not      Installed        Not          Not         Not
                    installed                 installed    installed    installed

  CX486SLC   40MHz      Not      Installed        Not          Not         Not
                    installed                 installed    installed    installed

  80486SX    25MHz      Not          Not      Installed        Not         Not
                    installed    installed                 installed    installed

  80487SX    25MHz      Not          Not      Installed        Not         Not
                    installed    installed                 installed    installed

  80486DX    25MHz      Not          Not      Installed        Not         Not
                    installed    installed                 installed    installed

  ODP486SX   25MHz      Not          Not      Installed        Not         Not
                    installed    installed                 installed    installed

  80486DX2    50i       Not          Not      Installed        Not         Not
             MHz    installed    installed                 installed    installed

  ODP586SX    50i       Not          Not      Installed        Not         Not
             MHz    installed    installed                 installed    installed

  80486SX    33MHz      Not          Not          Not      Installed       Not
                    installed    installed    installed                 installed

  80487SX    33MHz      Not          Not          Not      Installed       Not
                    installed    installed    installed                 installed

  80486DX    33MHz      Not          Not          Not      Installed       Not
                    installed    installed    installed                 installed

  80486DX    50MHz      Not          Not          Not          Not      Installed
                    installed    installed    installed    installed

  ODP486SX   33MHz      Not          Not          Not      Installed       Not
                    installed    installed    installed                 installed

  80486DX2    66i       Not          Not          Not      Installed       Not
             MHz    installed    installed    installed                 installed

  ODP586SX    66i       Not          Not          Not      Installed       Not
             MHz    installed    installed    installed                 installed

                       80386 CPU TYPE CONFIGURATION

     CPU           RNH1           RNH2           RN15           RN16

   80386DX      Installed          Not         Installed    Not installed
                                installed

  CX486SLC          Not         Installed      Installed    Not installed
                installed

                       80486 CPU TYPE CONFIGURATION

    CPU        RNA1         RNB1         RNC1         RN15        RN16

  80486SX       Not          Not      Installed        Not      Installed
             installed   installed                 installed

  80487SX       Not      Installed        Not          Not      Installed
             installed                installed    installed

  80486DX    Installed       Not          Not          Not      Installed
                         installed    installed    installed

  ODP486SX      Not      Installed        Not          Not      Installed
             installed                installed    installed

  80486DX2   Installed       Not          Not          Not      Installed
                         installed    installed    installed

  ODP586SX      Not      Installed        Not          Not      Installed
             installed                installed    installed

