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# DIAMOND FLOWER, INC.
3486-ECV
Processor 80386DX/CX486DLC/AMD486DX/80486SX/80486DX/80486DX2
Processor 25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set EFAR
Max. 32MB
Onboard
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2)
NPU Options 80387DX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Power LED & | J1 | Reset switch | J5 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | J2 | Keyboard connector | J6 |
|---------------+----------+----------------------+----------|
| Turbo LED | J3 | External battery | J7 |
|---------------+----------+----------------------+----------|
| Turbo switch | J4 | 32-bit VESA Local | SL1 & |
| | | bus slots | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Flash BIOS write protect | JP31 | Open |
| | disabled | | |
|----+---------------------------------+--------+------------|
| | Flash BIOS write protect | JP31 | Closed |
| | enabled | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP32 | Open |
| | alter. | | |
|----+---------------------------------+--------+------------|
| » | Battery select internal | JP33 | pins 2 & 3 |
| | | | closed |
|----+---------------------------------+--------+------------|
| | Battery select external | JP33 | pins 1 & 2 |
| | | | closed |
|----+---------------------------------+--------+------------|
| » | Fast ready select disabled | JP36 | Open |
|----+---------------------------------+--------+------------|
| | Fast ready select enabled | JP36 | Closed |
|------------------------------------------------------------|
| Note: The location of the factory configured jumper in |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M 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 | JP8 | JP9 | JP10 | JP11 | JP27 | JP28 | JP29 |
|-------+-----+-----+------+------+--------+--------+--------|
| 64KB | 2 & | 1 & | 1 & | 1 & | Closed | Open | Open |
| | 3 | 2 | 2 | 2 | | | |
|-------+-----+-----+------+------+--------+--------+--------|
| 128KB | 1 & | 1 & | 2 & | 2 & | Closed | Closed | Open |
| | 2 | 2 | 3 | 3 | | | |
|-------+-----+-----+------+------+--------+--------+--------|
| 256KB | 1 & | 1 & | 1 & | 1 & | Closed | Closed | Closed |
| | 2 | 2 | 2 | 2 | | | |
|------------------------------------------------------------|
| Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION - 486SX/DX & 487SX |
|------------------------------------------------------------|
| Speed | JP1 | JP2 | JP3 | JP16 | JP17 | JP34 | JP37 |
|-------+-------+-------+-------+-------+------+------+------|
| 25MHz |Closed | Open | Open | 2 & 3 | Open |1 & 2 |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 33MHz |Closed | Open |Closed | 2 & 3 | Open |1 & 2 |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 40MHz | Open |Closed |Closed | 1 & 2 | Open |1 & 2 |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 50MHz |Closed | Open | Open | 1 & 2 | Open |2 & 3 |2 & 3 |
|------------------------------------------------------------|
|Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION - 486DX2 & OVERDRIVE |
|------------------------------------------------------------|
| Speed | JP1 | JP2 | JP3 | JP16 | JP17 | JP34 |JP37 |
|--------+-------+------+-------+-------+------+-------+-----|
| 50iMHz |Closed | Open | Open | 2 & 3 | Open | 1 & 2 |2 & 3|
|--------+-------+------+-------+-------+------+-------+-----|
| 66iMHz |Closed | Open |Closed | 2 & 3 | Open | 1 & 2 |2 & 3|
|------------------------------------------------------------|
|Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION - 386DX & 486DLC |
|------------------------------------------------------------|
| Speed | JP1 | JP2 | JP3 | JP16 | JP17 | JP34 | JP37 |
|-------+-------+-------+-------+------+-------+------+------|
| 25MHz |Closed | Open | Open |2 & 3 |Closed |1 & 2 |2 & 3 |
|-------+-------+-------+-------+------+-------+------+------|
| 33MHz |Closed | Open |Closed |2 & 3 |Closed |1 & 2 |2 & 3 |
|-------+-------+-------+-------+------+-------+------+------|
| 40MHz |Closed |Closed | Open |2 & 3 |Closed |1 & 2 |2 & 3 |
|------------------------------------------------------------|
|Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION - CX 486S/S2 |
|------------------------------------------------------------|
| Speed | JP1 | JP2 | JP3 | JP16 | JP17 | JP34 | JP37 |
|-------+-------+-------+-------+-------+------+------+------|
| 33MHz |Closed |Closed |Closed | 1 & 2 | Open |1 & 2 |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 40MHz | Open |Closed |Closed | 1 & 2 | Open |1 & 2 |2 & 3 |
|------------------------------------------------------------|
|Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION - AMD 486DX |
|------------------------------------------------------------|
| Speed | JP1 | JP2 | JP3 | JP16 | JP17 | JP34 | JP37 |
|-------+--------+--------+------+------+------+------+------|
| 40MHz | Closed | Closed | Open | 2 & | Open | 2 & | 2 & |
| | | | | 3 | | 3 | 3 |
|------------------------------------------------------------|
| Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP6 | JP7 | JP19 | JP23 | JP24 | JP25 |JP26 |JP30 |
|------+------+------+------+------+------+------+-----+-----|
| 386 | Open | Open |Closed|1 & 2 |1 & 2 |1 & 2 |1 & 2|1 & 2|
|------+------+------+------+------+------+------+-----+-----|
|486DLC| Open | Open | Open |2 & 3 |1 & 2 |1 & 2 |1 & 2|2 & 3|
|------+------+------+------+------+------+------+-----+-----|
| 486 |Closed|Closed| Open |1 & 2 |2 & 3 |2 & 3 |2 & 3|2 & 3|
|------------------------------------------------------------|
|Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP20 | JP21 | JP22 | JP35 |
|------------+---------+---------------+------------+--------|
| 486SX | Open | Closed | Open | Open |
|------------+---------+---------------+------------+--------|
| 487SX | Closed | pins 1 & 2 | pins 1 & 2 | Open |
| | | open | open | |
|------------+---------+---------------+------------+--------|
| 486DX/DX2 | Closed | pins 1 & 2 | pins 2 & 3 | Open |
| | | open | open | |
|------------+---------+---------------+------------+--------|
| CX486S | Open | pins 2 & 3 | Open | Open |
| | | open | | |
|------------+---------+---------------+------------+--------|
| CX486S2 | Open | pins 2 & 3 | Open | Closed |
| | | open | | |
|------------------------------------------------------------|
| Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Type | JP6 | JP7 | JP19 | JP23 | JP24 | JP25 |JP26 |JP30 |
|-------+------+-----+------+------+------+------+-----+-----|
| 386DX | Open |Open |Closed|1 & 2 |1 & 2 |1 & 2 |1 & 2|1 & 2|
|-------+------+-----+------+------+------+------+-----+-----|
|486DLC | Open |Open |Closed|2 & 3 |1 & 2 |1 & 2 |1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU JUMPER CONFIGURATION |
|------------------------------------------------------------|
| CPU | JP6 | JP7 | JP19 | JP20 | JP21 | JP22 |
|-----------+--------+--------+------+--------+-------+------|
| AMD486 | Closed | Closed | Open | Closed | 1 & 2 | 2 & |
| | | | | | | 3 |
|-----------+--------+--------+------+--------+-------+------|
| CX486S | Closed | Closed | Open | Open | 2 & 3 | Open |
|-----------+--------+--------+------+--------+-------+------|
| 486SX | Closed | Closed | Open | Open | 2 & 3 | Open |
|-----------+--------+--------+------+--------+-------+------|
| 486DX/DX2 | Closed | Closed | Open | Closed | 1 & 2 | 2 & |
| | | | | | | 3 |
|------------------------------------------------------------|
| Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU JUMPER CONFIGURATION |
|------------------------------------------------------------|
| CPU | JP23 | JP24 | JP25 | JP26 | JP30 | JP35 |
|-----------+--------+-------+-------+-------+-------+-------|
| AMD486 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | Open | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| CX486S | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
|-----------+--------+-------+-------+-------+-------+-------|
| 486SX | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
|-----------+--------+-------+-------+-------+-------+-------|
| 486DX/DX2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
|------------------------------------------------------------|
| Note: pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| CPU Type | JP12 | JP13 |
|------------------+--------------------+--------------------|
| 80386 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 80486 | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE/BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | Wait states | JP14 | JP15 |
|-----------+---------------+-------------------+------------|
| < 33MHz | 0 wait states | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|-----------+---------------+-------------------+------------|
| > 33MHz | 1 wait state | pins 2 & 3 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+