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# INFORMTECH INTERNATIONAL, INC.
BABY 286AIO
Processor 80286
Processor Speed 10/12MHz
Chip Set Unknown
Max. Onboard 32MB
DRAM
Cache None
BIOS Award
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface,
parallel port, serial ports (2)
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Turbo LED | P1 | IDE interface | P7 |
|-------------------+----------+------------------+----------|
| Speaker | P2 | Parallel port | P8 |
|-------------------+----------+------------------+----------|
| Reset switch | P3 | Serial port 1 | P9 |
|-------------------+----------+------------------+----------|
| IDE interface LED | P4 | Serial port 2 | P10 |
|-------------------+----------+------------------+----------|
| Power LED & | P5 | Auxiliary | P12 |
| keylock | | keyboard | |
|-------------------+----------+------------------+----------|
| Floppy drive | P6 | External battery | P13 |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Keyboard controller clock | J2 | pins 1 & 2 |
| | speed select 6MHz | | closed |
|---+---------------------------+---------------+------------|
| | Keyboard controller clock | J2 | pins 2 & 3 |
| | speed select 12MHz | | closed |
|---+---------------------------+---------------+------------|
| » | NPU speed select 8MHz | J3 | pins 3 & 4 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | NPU speed select 6MHz | J3 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | NPU speed select 10MHz | J3 | pins 5 & 6 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | NPU speed select 12MHz | J3 | pins 7 & 8 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | DRAM speed select 100ns | J4 | pins 3 & 4 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | DRAM speed select 80ns | J4 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | DRAM speed select 120ns | J4 | pins 5 & 6 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | CPU speed select | J10 | Open |
| | switchable from hardware | | |
| | (see below) | | |
|---+---------------------------+---------------+------------|
| | CPU speed select | J10 | pins 1 & 2 |
| | switchable from keyboard | | closed |
|---+---------------------------+---------------+------------|
| » | Memory size select total | J11 | Open |
| | amount installed | | |
|---+---------------------------+---------------+------------|
| | Memory size select 256KB | J11 | Closed |
| | only (for testing | | |
| | purposes) | | |
|---+---------------------------+---------------+------------|
| » | Power good signal detect | J15 | pins 2 & 3 |
| | from power supply | | closed |
|---+---------------------------+---------------+------------|
| | Power good signal detect | J15 | pins 1 & 2 |
| | from board | | closed |
|---+---------------------------+---------------+------------|
| » | Battery type select | J16 | pins 1 & 2 |
| | Alkaline 4.5VDC | | closed |
|---+---------------------------+---------------+------------|
| | Battery type select | J16 | Open |
| | Lithium 6VDC | | |
|---+---------------------------+---------------+------------|
| » | DRAM wait states select | SW1/4 | On |
| | zero | | |
|---+---------------------------+---------------+------------|
| | DRAM wait state select | SW1/4 | Off |
| | one | | |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | SW1/5 | On |
|---+---------------------------+---------------+------------|
| | Monitor type select | SW1/5 | Off |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| » | Serial port 1 at 3F8-3FF | SW2/1 | On |
| | using IRQ4 enabled | | |
|---+---------------------------+---------------+------------|
| | Serial port 1 at 3F8-3FF | SW2/1 | Off |
| | using IRQ4 disabled | | |
|---+---------------------------+---------------+------------|
| » | Serial port 2 at 2F8-2FF | SW2/2 | On |
| | using IRQ3 enabled | | |
|---+---------------------------+---------------+------------|
| | Serial port 2 at 2F8-2FF | SW2/2 | Off |
| | using IRQ3 disabled | | |
|---+---------------------------+---------------+------------|
| » | Floppy drive interface | SW2/5 | On |
| | enabled | | |
|---+---------------------------+---------------+------------|
| | Floppy drive interface | SW2/5 | Off |
| | disabled | | |
|---+---------------------------+---------------+------------|
| » | Early address latch | SW2/7 | Off |
| | enabled (#EALE) signal | | |
| | select enabled | | |
|---+---------------------------+---------------+------------|
| | Address latch enable | SW2/7 | On |
| | (#BALE) signal select | | |
| | enabled | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW2/8 | N/A |
| | not alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (18) 41256 | NONE |
|------------------+--------------------+--------------------|
| 640KB | (18) 41256 | (18) 4164 |
|------------------+--------------------+--------------------|
| 1MB | (18) 41256 | (18) 41256 |
|------------------+--------------------+--------------------|
| 2MB | (18) 411000 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (18) 411000 | (18) 411000 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 |
|---------------+--------------+--------------+--------------|
| 512KB | On | On | N/A |
|---------------+--------------+--------------+--------------|
| 640KB | On | Off | On |
|---------------+--------------+--------------+--------------|
| 1MB | On | Off | Off |
|---------------+--------------+--------------+--------------|
| 2MB | Off | On | Off |
|---------------+--------------+--------------+--------------|
| 4MB | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J1 pins 1 | J1 pins 3 | J1 pins 5 | J10 |
| | & 2 | & 4 | & 6 | |
|----------+-----------+-----------+-----------+-------------|
| OSC Y1/2 | Open | Open | Closed | Open |
|----------+-----------+-----------+-----------+-------------|
| 8MHz | Closed | Closed | Closed | pins 2 & 3 |
| | | | | closed |
|----------+-----------+-----------+-----------+-------------|
| 10MHz | Closed | Open | Open | Open |
|----------+-----------+-----------+-----------+-------------|
| 12MHz | Open | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BUS WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| 8-bit slot | 16-bit | SW1/6 | SW1/7 | SW1/8 |
| | slot | | | |
|--------------+----------+---------+------------+-----------|
| 4 wait | 1 wait | Off | On | On |
| states | state | | | |
|--------------+----------+---------+------------+-----------|
| 6 wait | 2 wait | Off | On | Off |
| states | states | | | |
|--------------+----------+---------+------------+-----------|
| 8 wait | 3 wait | Off | Off | On |
| states | states | | | |
|--------------+----------+---------+------------+-----------|
| 10 wait | 4 wait | Off | Off | Off |
| states | states | | | |
|--------------+----------+---------+------------+-----------|
| 4 wait | 1 wait | On | N/A (see | N/A (see |
| states | states | | note) | note) |
|------------------------------------------------------------|
| Note: When SW1/6 is closed, the dynamic wait state mode is |
| enabled which automatically sets the wait states to |
| accommodate the slowest card on the I/O bus. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| Type | J7 | J8 |
|------------------+--------------------+--------------------|
| 27128 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 27256 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 27512 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| IRQ | SW2/3 | SW2/4 |
|--------------------+-------------------+-------------------|
| IRQ7 | On | Off |
|--------------------+-------------------+-------------------|
| IRQ5 | On | On |
|--------------------+-------------------+-------------------|
| Disabled | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE CONFIGURATION |
|------------------------------------------------------------|
| Setting | J17 | SW2/6 |
|--------------------+--------------------+------------------|
| Enabled | pins 2 & 3 closed | On |
|--------------------+--------------------+------------------|
| Disabled | pins 1 & 2 closed | Off |
+------------------------------------------------------------+