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# DIAMOND FLOWER, INC.
TOP-286
Processor 80286
Processor Speed 12/16/20MHz
Chip Set C & T NEAT
Max. Onboard DRAM 8MB
Cache None
BIOS AMI
Dimensions 330mm x 220mm
I/O Options None
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+-----------+--------------+-----------|
| External battery | J2 | Turbo switch | J8 or J13 |
|---------------------+-----------+--------------+-----------|
| Reset switch | J6 or J12 | Speaker | J9 |
|---------------------+-----------+--------------+-----------|
| Power LED & keylock | J7 | Turbo LED | J10 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Battery type select internal | J1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Battery type select external | J1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | J3 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | J3 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | CPU speed select 16MHz | J4 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CPU speed select 12MHz | J4 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | I/O bus speed select 8MHz | J5 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | I/O bus speed select 10MHz | J5 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 512KB | (18) 41256 | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 640KB | (18) 4164 | (18) 41256 | NONE | NONE |
|--------+------------+------------+------------+------------|
| 1MB | (18) 41256 | (18) 41256 | NONE | NONE |
|--------+------------+------------+------------+------------|
| 1.5MB | (18) 41256 | (18) 41256 | (2) 256K x | NONE |
| | | | 9 | |
|--------+------------+------------+------------+------------|
| 1.64MB | (18) 4164 | (18) 41256 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|--------+------------+------------+------------+------------|
| 2MB | (18) 41256 | (18) 41256 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|--------+------------+------------+------------+------------|
| 2MB | (18) | NONE | NONE | NONE |
| | 411000 | | | |
|--------+------------+------------+------------+------------|
| 3MB | (18) 41256 | (18) 41256 | (2) 1M x 9 | NONE |
|--------+------------+------------+------------+------------|
| 4MB | (18) | (18) | NONE | NONE |
| | 411000 | 411000 | | |
|--------+------------+------------+------------+------------|
| 4.64MB | (18) 4164 | (18) 41256 | (2) 1M x 9 | (2) 1M x 9 |
|--------+------------+------------+------------+------------|
| 5MB | (18) 41256 | (18) 41256 | (2) 1M x 9 | (2) 1M x 9 |
|--------+------------+------------+------------+------------|
| 6MB | (18) | (18) | (2) 1M x 9 | NONE |
| | 411000 | 411000 | | |
|--------+------------+------------+------------+------------|
| 8MB | (18) | (18) | (2) 1M x 9 | (2) 1M x 9 |
| | 411000 | 411000 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Type | J11 |
|-------------------------------+----------------------------|
| DIP memory only | pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DIP and SIPP memory | pins 2 & 3 closed |
+------------------------------------------------------------+