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# IPC CORPORATION, LTD.
IPC MBPOSIIIS-25
Processor 80486SX/80486DX (exact location unidentified)
Processor 25MHz
Speed
Chip Set Unidentified
Max. Onboard 32MB
DRAM
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Floppy drive interfaces (2), IDE interface,
parallel port, serial ports (2), VGA port, riser
slot, numeric display connector, numeric display
power connector, internal numeric display
connector, external numeric display connector,
printer power connectors (2), drawer port
connector, external keyboard connectors (2),
scanner port, keyboard controller
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Numeric display | J1 | External | J12 |
| power connector | | keyboard | |
| | | connector | |
|---------------------+----------+----------------+----------|
| Serial port | J2 | Keyboard | J13 |
| 2/external floppy | | controller | |
| drive | | | |
|---------------------+----------+----------------+----------|
| Floppy drive | J3 | Parallel port | J14 |
| interface | | | |
|---------------------+----------+----------------+----------|
| IDE interface | J4 | Serial port 1 | J15 |
|---------------------+----------+----------------+----------|
| Numeric display | J5 | Scanner port | J16 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Internal numeric | J6 | External | J17 |
| display connector | | keyboard | |
| | | connector | |
|---------------------+----------+----------------+----------|
| External numeric | J8 | Reset switch | JP9 |
| display connector | | | |
|---------------------+----------+----------------+----------|
| Printer power | J9 | Printer power | PS2 |
| connector | | connector | |
|---------------------+----------+----------------+----------|
| Drawer port | J10 | Riser slot | SL1 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Speaker | J11 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Floppy drive set as drive B | J7 | Open |
|---+----------------------------------+--------+------------|
| | Floppy drive set as drive A | J7 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP1 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select | JP1 | Closed |
| | color/EGA/VGA | | |
|---+----------------------------------+--------+------------|
| » | 5v power to external floppy | JP2 | Open |
| | drive interface disabled | | |
|---+----------------------------------+--------+------------|
| | 5v power to external floppy | JP2 | Closed |
| | drive interface enabled | | |
|---+----------------------------------+--------+------------|
| » | 12v power to external floppy | JP3 | Open |
| | drive interface disabled | | |
|---+----------------------------------+--------+------------|
| | 12v power to external floppy | JP3 | Closed |
| | drive interface enabled | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP4 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Drawer port voltage select 12v | JP5 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Drawer port voltage select 25v | JP5 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP10 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Keylock level I to control | JP12 | pins 2 & 3 |
| | floppy access disabled | | closed |
|---+----------------------------------+--------+------------|
| | Keylock level I to control | JP12 | pins 1 & 2 |
| | floppy access enabled | | closed |
|---+----------------------------------+--------+------------|
| » | 12v power to scanner port | JP18 | Open |
| | disabled | | |
|---+----------------------------------+--------+------------|
| | 12v power to scanner port | JP18 | Closed |
| | enabled | | |
|---+----------------------------------+--------+------------|
| » | Keylock level I to control write | JP19 | pins 1 & 2 |
| | access to NVR disabled | | closed |
|---+----------------------------------+--------+------------|
| | Keylock level I to control write | JP19 | pins 2 & 3 |
| | access to NVR enabled | | closed |
|---+----------------------------------+--------+------------|
| » | Non volatile RAM select 128KB | JP21 | Open |
| | (DS1245Y) | | |
|---+----------------------------------+--------+------------|
| | Non volatile RAM select 8KB or | JP21 | Closed |
| | 32KB (DS1225Y/DS1235Y) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP7 | JP8 |
|--------------------+-------------------+-------------------|
| 80486SX | Open | Open |
|--------------------+-------------------+-------------------|
| 80486DX | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O CONTROLLER INDEX CONFIGURATION |
|------------------------------------------------------------|
| Index address | Data address | JP6 |
|--------------------+------------------+--------------------|
| » | 398H | 399H | pins 1 & 2 closed |
|------+-------------+------------------+--------------------|
| | 26EH | 26FH | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS RANGE CONFIGURATION |
|------------------------------------------------------------|
| Port | JP17 |
|----------------------------+-------------------------------|
| » | 100H | pins 1 & 2 closed |
|----+-----------------------+-------------------------------|
| | 110H | pins 3 & 4 closed |
|----+-----------------------+-------------------------------|
| | 120H | pins 5 & 6 closed |
|----+-----------------------+-------------------------------|
| | 130H | pins 7 & 8 closed |
|----+-----------------------+-------------------------------|
| | 140H | pins 9 & 10 closed |
|----+-----------------------+-------------------------------|
| | 150H | pins 11 & 12 closed |
|----+-----------------------+-------------------------------|
| | 160H | pins 13 & 14 closed |
|----+-----------------------+-------------------------------|
| | 170H | pins 15 & 16 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYLOCK LEVEL 1 OR 5 TO CONTROL READ ACCESS TO NVR |
| CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP20 | JP22 |
|----------------+----------------------+--------------------|
| » | Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
|----+-----------+----------------------+--------------------|
| | Enabled | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O CONFIGURATION |
|------------------------------------------------------------|
|Floppy |IDE |Serial|Serial|Parallel|JP11|JP13|JP14|JP15|JP16|
| | | 1 | 2 | | | | | | |
|-------+----+------+------+--------+----+----+----+----+----|
|»| PRI |PRI | COM1 | COM2 | LPT2 |2 & |2 & |2 & |2 & |2 & |
| | | | | | | 3 | 3 | 3 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | COM1 | COM2 | LPT1 |2 & |1 & |2 & |2 & |2 & |
| | | | | | | 3 | 2 | 3 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |SEC | COM1 | COM2 | LPT1 |2 & |2 & |2 & |2 & |1 & |
| | | | | | | 3 | 3 | 3 | 3 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | COM3 | COM4 | LPT1 |2 & |1 & |2 & |2 & |1 & |
| | | | | | | 3 | 2 | 3 | 3 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | COM2 | COM3 | LPT2 |2 & |2 & |2 & |1 & |2 & |
| | | | | | | 3 | 3 | 3 | 2 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |SEC | COM3 | COM4 | LPT2 |2 & |1 & |2 & |1 & |2 & |
| | | | | | | 3 | 2 | 3 | 2 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | COM1 | N/A | LPT2 |2 & |2 & |2 & |1 & |1 & |
| | | | | | | 3 | 3 | 3 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | COM1 | N/A | LPT1 |2 & |1 & |2 & |1 & |1 & |
| | | | | | | 3 | 2 | 3 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |SEC | COM1 | N/A | LPT1 |2 & |2 & |1 & |2 & |2 & |
| | | | | | | 3 | 3 | 2 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | COM3 | N/A | LPT1 |2 & |1 & |1 & |2 & |2 & |
| | | | | | | 3 | 2 | 2 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | COM3 | N/A | LPT2 |2 & |2 & |1 & |2 & |1 & |
| | | | | | | 3 | 3 | 2 | 3 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |SEC | COM3 | N/A | LPT2 |2 & |1 & |1 & |2 & |1 & |
| | | | | | | 3 | 2 | 2 | 3 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM1 | COM2 | LPT2 |2 & |2 & |1 & |1 & |2 & |
| | | | | | | 3 | 3 | 2 | 2 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM1 | COM2 | LPT1 |2 & |1 & |1 & |1 & |2 & |
| | | | | | | 3 | 2 | 2 | 2 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM3 | COM4 | LPT1 |2 & |2 & |1 & |1 & |1 & |
| | | | | | | 3 | 3 | 2 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM2 | COM3 | LPT2 |2 & |1 & |1 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | N/A | N/A | LPT2 |1 & |2 & |2 & |2 & |2 & |
| | | | | | | 2 | 3 | 3 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |PRI | N/A | N/A | LPT1 |1 & |1 & |2 & |2 & |2 & |
| | | | | | | 2 | 2 | 3 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |SEC | N/A | N/A | LPT1 |1 & |2 & |2 & |2 & |1 & |
| | | | | | | 2 | 3 | 3 | 3 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |SEC | N/A | N/A | LPT2 |1 & |1 & |2 & |2 & |1 & |
| | | | | | | 2 | 2 | 3 | 3 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | N/A |N/A | COM1 | COM2 | LPT2 |1 & |2 & |2 & |1 & |2 & |
| | | | | | | 2 | 3 | 3 | 2 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | N/A |N/A | COM1 | COM2 | LPT1 |1 & |1 & |2 & |1 & |1 & |
| | | | | | | 2 | 2 | 3 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | N/A |N/A | COM3 | COM4 | LPT1 |1 & |2 & |2 & |1 & |1 & |
| | | | | | | 2 | 3 | 3 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | N/A |N/A | COM2 | COM3 | LPT2 |1 & |1 & |2 & |1 & |1 & |
| | | | | | | 2 | 2 | 3 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM1 | COM2 | LPT2 |1 & |2 & |1 & |2 & |2 & |
| | | | | | | 2 | 3 | 2 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM1 | COM2 | LPT2 |1 & |2 & |1 & |2 & |2 & |
| | | | | | | 2 | 3 | 2 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | SEC |N/A | COM1 | COM2 | LPT1 |1 & |1 & |1 & |2 & |2 & |
| | | | | | | 2 | 2 | 2 | 3 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM3 | COM4 | LPT1 |1 & |1 & |1 & |2 & |1 & |
| | | | | | | 2 | 2 | 2 | 3 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | COM2 | COM3 | LPT2 |1 & |2 & |1 & |1 & |2 & |
| | | | | | | 2 | 3 | 2 | 2 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | SEC |N/A | COM3 | COM4 | LPT2 |1 & |1 & |1 & |1 & |2 & |
| | | | | | | 2 | 2 | 2 | 2 | 3 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| | PRI |N/A | N/A | N/A | N/A |1 & |2 & |1 & |1 & |1 & |
| | | | | | | 2 | 3 | 2 | 2 | 2 |
|-+-----+----+------+------+--------+----+----+----+----+----|
| |NONE |NONE| NONE | NONE | NONE |1 & |1 & |1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 | 2 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. PRI |
|= primary and SEC = secondary. |
+------------------------------------------------------------+