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# ACER, INC.
1100 25/33
Processor 80386SX
Processor 25/33MHz
Speed
Chip Set Unidentified
Max. Onboard 8MB
DRAM
Cache None
BIOS Unidentified
Dimensions 355mm x 305mm
I/O Options 32-bit bus slots (2), parallel port, serial ports
(2)
NPU Options 80387SX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Parallel port | CN1 | Turbo LED | J1 |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN2 | Reset switch | J2 |
|------------------+----------+-------------------+----------|
| Serial port 2 | CN3 | Auxiliary | J3 |
| | | keyboard | |
| | | connector | |
|------------------+----------+-------------------+----------|
| External battery | CN4 | 32-bit bus slots | SL1 & |
| | | | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | RAM address select remap | JP12 | pins 1 & 2 |
| | to FA0000 - FDFFFF | | closed |
|---+---------------------------+---------------+------------|
| | RAM address select do not | JP12 | pins 2 & 3 |
| | remap | | closed |
|---+---------------------------+---------------+------------|
| » | Serial port pin select | SW2/1 | On |
| | COM1 = 25-pin & COM2 = | | |
| | 9-pin | | |
|---+---------------------------+---------------+------------|
| | Serial port pin select | SW2/1 | Off |
| | COM1 = 9-pin & COM2 = | | |
| | 25-pin | | |
|---+---------------------------+---------------+------------|
| » | Serial port 1 enabled | SW2/2 | Off |
|---+---------------------------+---------------+------------|
| | Serial port 1 disabled | SW2/2 | On |
|---+---------------------------+---------------+------------|
| » | Serial port 2 enabled | SW2/3 | Off |
|---+---------------------------+---------------+------------|
| | Serial port 2 disabled | SW2/3 | On |
|---+---------------------------+---------------+------------|
| » | Parallel port enabled | SW2/4 | Off |
|---+---------------------------+---------------+------------|
| | Parallel port enabled | SW2/4 | On |
|---+---------------------------+---------------+------------|
| » | BIOS location select RAM | SW2/8 | Off |
| | BIOS | | |
|---+---------------------------+---------------+------------|
| | BIOS location select ROM | SW2/8 | On |
| | BIOS | | |
|---+---------------------------+---------------+------------|
| » | Monitor type select | SW2/9 | Off |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| | Monitor type select CGA | SW2/9 | On |
|---+---------------------------+---------------+------------|
| » | DRAM Bank 1 disabled | SW2/10 | On |
|---+---------------------------+---------------+------------|
| | DRAM Bank 1 enabled | SW2/10 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (4) 512K x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (4) 512K x 9 | (4) 512K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 6MB | (4) 512K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP13 | JP14 | JP15 | JP16 |
|------+--------------+------------+------------+------------|
| 2MB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|------+--------------+------------+------------+------------|
| 4MB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|------+--------------+------------+------------+------------|
| 4MB | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|------+--------------+------------+------------+------------|
| 6MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|------+--------------+------------+------------+------------|
| 8MB | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP6 | JP7 | JP8 |
|---------------+--------------+--------------+--------------|
| None | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| installed | closed | closed | closed |
|---------------+--------------+--------------+--------------|
| 3167 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|---------------+--------------+--------------+--------------|
| 80387SX | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|------------+-----------+-----------+-----------+-----------|
| 27256 | On | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 27128 | On | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 27512 | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O RECOVERY DELAY CONFIGURATION |
|------------------------------------------------------------|
| Delay | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
|------------+-----------+-----------+-----------+-----------|
| 0 | Off | Off | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 1 | Off | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 2 | Off | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 3 | Off | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 4 | Off | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 5 | Off | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 6 | Off | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 7 | Off | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 8 | On | Off | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 9 | On | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 10 | On | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 11 | On | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 12 | On | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 13 | On | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 14 | On | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 15 | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW2/5 | SW2/6 | SW2/7 |
|---------------+--------------+--------------+--------------|
| LPT 1 | Off | Off | On |
|---------------+--------------+--------------+--------------|
| LPT 2 | On | On | Off |
+------------------------------------------------------------+