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# ATLANTIC COMPUTER PRODUCTS, INC.
486 33 CACHE
Processor 80486DX
Processor Speed 33MHz
Chip Set ETEQ
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS AMI/Award/MR
Dimensions 330mm x 218mm
I/O Options None
NPU Options 4167
IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Turbo switch | J3 | Speaker | JP11 |
|------------------+----------+-------------------+----------|
| Reset switch | J4 | Power LED & | JP27 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| External battery | JP10 | Turbo LED | JP28 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JP9 | pins 1 & 2 |
| | (internal battery) | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory normal operation | JP9 | pins 1 & 2 |
| | (external battery) | | open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP9 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP29 | unknown |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP33 | unknown |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|-----------+------------------------+-----------------------|
| 5MB | (4) 1 M x 9 | (4) 256K x 9 |
|-----------+------------------------+-----------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|-----------+------------------------+-----------------------|
| 16MB | (4) 4M x 9 | NONE |
|-----------+------------------------+-----------------------|
| 17MB | (4) 256K x 9 | (4) 4M x 9 |
|-----------+------------------------+-----------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|-----------+------------------------+-----------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP17 | JP19 | JP23 | JP24 | JP25 |
|-------+--------+--------+------------+------------+--------|
| 64KB | open | open | pins 2 & 3 | pins 2 & 3 | open |
| | | | | | |
| | | | closed | closed | |
|-------+--------+--------+------------+------------+--------|
| 128KB | closed | open | pins 1 & 2 | pins 2 & 3 | closed |
| | | | | | |
| | | | closed | closed | |
|-------+--------+--------+------------+------------+--------|
| 256KB | closed | closed | pins 1 & 2 | pins 1 & 2 | closed |
| | | | | | |
| | | | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache SRAM | Location |
|-------+--------------------------+-------------------------|
| 64KB | (8) 8K x 8 | Bank 0 |
|-------+--------------------------+-------------------------|
| 128KB | (16) 8K x 8 | Banks 0 & 1 |
|-------+--------------------------+-------------------------|
| 256KB | (8) 32K x 8 | Banks 0 |
+------------------------------------------------------------+
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