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# DIAMOND FLOWER, INC.
3486-UCF
Processor 80386DX/80486SX/80487SX/CX486DX/80486DX/80486DX2
Processor 20/25/33/50(internal)/50/66(internal)MHz
Speed
Chip Set UMC
Max. Onboard 32MB
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 230mm x 218mm
I/O Options None
NPU Options 80387DX/CX387
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Speaker | J1 | Turbo LED | J4 |
|-------------------+----------+------------------+----------|
| Reset switch | J2 | External battery | J8 |
|-------------------+----------+------------------+----------|
| Power LED & | J3 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+-----------+----------|
| » | 80486SX-20 disabled | JP4 | Open |
|---+---------------------------------+-----------+----------|
| | 80486SX-20 enabled | JP4 | Closed |
|---+---------------------------------+-----------+----------|
| » | NPU disabled | JP5 & JP7 | Open |
|---+---------------------------------+-----------+----------|
| | NPU enabled | JP5 & JP7 | Closed |
|---+---------------------------------+-----------+----------|
| » | CPU type select 80486 | JP6 | Closed |
|---+---------------------------------+-----------+----------|
| | CPU type select 80386 | JP6 | Open |
|---+---------------------------------+-----------+----------|
| » | Monitor type select color | JP9 | Closed |
|---+---------------------------------+-----------+----------|
| | Monitor type select monochrome | JP9 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W1 | W2 | W3 | W4 |
|-------+-----------------+--------+--------+----------------|
| 64KB | pins 2 & 3 | Open | Open | pins 1 & 2 |
| | closed | | | closed |
|-------+-----------------+--------+--------+----------------|
| 128KB | pins 1 & 2 | Open | Closed | pins 2 & 3 |
| | closed | | | closed |
|-------+-----------------+--------+--------+----------------|
| 256KB | pins 2 & 3 | Closed | Closed | pins 2 & 3 |
| | closed | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP1 | JP2 | JP3 |
|----------+-------------------+-------------------+---------|
| 80486SX | Open | pins 2 & 3 closed | Open |
|----------+-------------------+-------------------+---------|
| 80847SX | pins 2 & 3 closed | pins 1 & 2 closed | Closed |
|----------+-------------------+-------------------+---------|
| 80486DX | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
+------------------------------------------------------------+