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# DIAMOND FLOWER, INC.
IB3486-UCB
Processor 80386DX/80486SX/80487SX/80486DX (Depending on
CPU card)
Processor Speed 20/25/33/40MHz
Chip Set UMC
Max. Onboard 48MB
DRAM
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 220mm
I/O OPTIONS 32-bit external memory card slot, CPU card
slot
NPU Options 80387DX/3167/4167 (Depending on CPU card)
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Auxiliary | J1 | Turbo switch | J6 and |
| keyboard | | | J27 |
|---------------+----------+----------------------+----------|
| Reset switch | J2 and | External battery | J26 |
| | J23 | | |
|---------------+----------+----------------------+----------|
| Turbo LED | J3 | 32-bit external | S1 |
| | | memory card | |
|---------------+----------+----------------------+----------|
| Speaker | J4 | CPU card | S2 |
|---------------+----------+----------------------+----------|
| Power LED & | J5 | | |
| Keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | J22 | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | J22 | open |
|---+--------------------------------+--------+--------------|
| » | Battery select external | J24 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Battery select internal | J24 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 | NONE |
|------------+---------------+---------------+---------------|
| 3MB | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 | NONE |
|------------+---------------+---------------+---------------|
| 6MB | (4) 256K x 9 | (4) 256K x 9 | (4) 1M x 9 |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------------+---------------+---------------+---------------|
| 9MB | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------------+---------------+---------------+---------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------------+---------------+---------------+---------------|
| 16MB | (4) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE |
|------------+---------------+---------------+---------------|
| 36MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
|------------+---------------+---------------+---------------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------+-----------------+-----------------+----------------|
| 32KB | (4) 8K x 8 | NONE | (4) 16K x 4 |
|-------+-----------------+-----------------+----------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (4) 16K x 4 |
|-------+-----------------+-----------------+----------------|
| 128KB | (4) 32K x 8 | NONE | (4) 16K x 4 |
|-------+-----------------+-----------------+----------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (4) 16K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J8 | J9 | J10 | J11 | J12 |
|-------+----------+----------+----------+---------+---------|
| 32KB | pins 1 & | pins 1 & | pins 1 & | open | pins 2 |
| | 2 closed | 2 closed | 2 closed | | & 3 |
| | | | | | closed |
|-------+----------+----------+----------+---------+---------|
| 64KB | pins 2 & | pins 1 & | pins 1 & | open | pins 1 |
| | 3 closed | 2 closed | 2 closed | | & 2 |
| | | | | | closed |
|-------+----------+----------+----------+---------+---------|
| 128KB | pins 2 & | pins 2 & | pins 1 & | pins 1 | pins 2 |
| | 3 closed | 3 closed | 2 closed | & 2 | & 3 |
| | | | | closed | closed |
|-------+----------+----------+----------+---------+---------|
| 256KB | pins 2 & | pins 2 & | pins 2 & | pins 2 | pins 1 |
| | 3 closed | 3 closed | 3 closed | & 3 | & 2 |
| | | | | closed | closed |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| NPU CONFIGURATION (DB-386 CPU MODULE) |
|------------------------------------------------------------|
| NPU | JP1 | JP2 | JP3 |
|--------------+-------------------+------------+------------|
| Enabled | pins 1 & 2 closed | Closed | Closed |
|--------------+-------------------+------------+------------|
| Disabled | pins 2 & 3 closed | Open | Open |
+------------------------------------------------------------+
(IMG) IMG 3
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (DB-486SX/DX CPU MODULE) |
|------------------------------------------------------------|
| CPU | JP1 | JP2 | JP3 | JP4 |
|-----------+-------------------+----------+---------+-------|
| 80486SX | pins 1 & 2 closed | Open | Open | Open |
|-----------+-------------------+----------+---------+-------|
| 80486DX | pins 2 & 3 closed | Closed | Closed | Open |
+------------------------------------------------------------+
(IMG) IMG 4
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (DB-486SX/DX CPU MODULE) |
|------------------------------------------------------------|
| CPU | JP1 | JP2 | JP3 | JP4 |
|-----------+-------------------+----------+---------+-------|
| 80486SX | pins 1 & 2 closed | Open | Open | Open |
|-----------+-------------------+----------+---------+-------|
| 80486DX | pins 2 & 3 closed | Closed | Closed | Open |
+------------------------------------------------------------+