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# TMC RESEARCH CORPORATION
IAT34PM
Processor 80386DX/CX486DLC/80486SX/80487SX/
80486DX/ODP486SX/80486DX2/ODP586SX
Processor 20/25/33/50 (Internal)/50/66 (Internal)MHz
Speed
Chip Set OPTI
Max. onboard 32MB
DRAM
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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| PS/2 mouse | J3 | Video feature | J12 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Serial port | J4 | Speaker | J14A |
|------------------+----------+-------------------+----------|
| Serial port | J5 | Power LED & | J14B |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Parallel port | J6 | Not used | J14C |
|------------------+----------+-------------------+----------|
| VGA port | J7 | Turbo switch | J14D |
|------------------+----------+-------------------+----------|
| Floppy drive | J8 | Turbo LED | J14E |
| interface | | | |
|------------------+----------+-------------------+----------|
| IDE interface | J10 | Reset switch | J14F |
|------------------+----------+-------------------+----------|
| External battery | J11 | IDE interface LED | J14G, |
| | | | J13 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------------+-----------+------------|
| » | Parallel port select | JP6 | Pins 2 & 3 |
| | unidirectional (printer) | | closed |
|---+-------------------------------+-----------+------------|
| | Parallel port select | JP6 | Pins 1 & 2 |
| | bi-directional | | closed |
|---+-------------------------------+-----------+------------|
| » | Floppy drive select TEAC | JP7 & JP8 | Pins 1 & 2 |
| | brand | | closed |
|---+-------------------------------+-----------+------------|
| | Floppy drive select Toshiba | JP7 & JP8 | Pins 2 & 3 |
| | brand | | closed |
|---+-------------------------------+-----------+------------|
| » | Monitor type select color | JP11 | Closed |
|---+-------------------------------+-----------+------------|
| | Monitor type select | JP11 | Open |
| | monochrome | | |
|---+-------------------------------+-----------+------------|
| » | SIMMs type select single | JP12 | Pins 1 & 2 |
| | density | | closed |
|---+-------------------------------+-----------+------------|
| | SIMMs type select double | JP12 | Pins 2 & 3 |
| | density | | 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 | NONE | NONE | NONE | Pins 1 & 2 |
| | 36 | | | | closed |
|------+---------+---------+---------+---------+-------------|
| 2MB | 256K x | 256K x | 256K x | NONE | Pins 1 & 2 |
| | 36 | 36 | 36 | | closed |
|------+---------+---------+---------+---------+-------------|
| 2MB | 512K x | NONE | NONE | NONE | Pins 2 & 3 |
| | 36 | | | | closed |
|------+---------+---------+---------+---------+-------------|
| 3MB | 256K x | 256K x | 256K x | NONE | Pins 1 & 2 |
| | 36 | 36 | 36 | | closed |
|------+---------+---------+---------+---------+-------------|
| 4MB | 1M x 36 | NONE | NONE | NONE | Pins 1 & 2 |
| | | | | | closed |
|------+---------+---------+---------+---------+-------------|
| 5MB | 1M x 36 | 256K x | NONE | NONE | Pins 1 & 2 |
| | | 36 | | | closed |
|------+---------+---------+---------+---------+-------------|
| 6MB | 1M x 36 | 256K x | 256K x | NONE | Pins 1 & 2 |
| | | 36 | 36 | | 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 | NONE | Pins 1 & 2 |
| | | | 36 | | closed |
|------+---------+---------+---------+---------+-------------|
| 10MB | 512K x | 2M x 36 | NONE | NONE | Pins 2 & 3 |
| | 36 | | | | closed |
|------+---------+---------+---------+---------+-------------|
| 10MB | 1M x 36 | 1M x 36 | 256K x | 256K x | Pins 1 & 2 |
| | | | 36 | 36 | 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 | Pins 1 & 2 |
| | | | | 36 | 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| |
+------------------------------------------------------------+