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# DIAMOND FLOWER, INC.
386SX-25/33DNB/DCB AIO
Processor 80386SX
Processor 25/33MHz
Speed
Chip Set Diamond Flower/Acer
Max. Onboard 16MB
DRAM
SRAM Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface, parallel
port, PS/2 mouse port,
riser card slot, serial ports (2) VGA feature
connector, VGA port
NPU Options 80387SX
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface | CN1 | Keyboard | JP3 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN2 | Turbo LED | JP4 |
| interface | | | |
|-------------------+----------+------------------+----------|
| VGA Feature | CN3 | Turbo switch | JP5 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port | CN7 | Reset switch | JP6 |
| (COM2) | | | |
|-------------------+----------+------------------+----------|
| VGA port | CN8 | IDE interface | JP7 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Parallel port | CN9 | Power LED & | JP8 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN10 | External battery | JP17 |
|-------------------+----------+------------------+----------|
| Serial port | CN11 | Riser Card | S1 |
| (COM1) | | | |
|-------------------+----------+------------------+----------|
| Speaker | JP2 | | |
|------------------------------------------------------------|
| Note: JP5 is located on the 386SX-25DNB/DCB AIO system |
| board only. JP38 is located on the 386SX-33DNB/DCB AIO |
| system board only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Speaker select internal | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Speaker select external | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP13 | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP13 | open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP14 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP15 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Battery select external | JP16 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery select internal | JP16 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Parallel port select IRQ7 | JP24 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port select IRQ5 | JP24 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP30 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Floppy disk drive enabled | JP31 | closed |
|---+----------------------------------+--------+------------|
| | Floppy disk drive disabled | JP31 | open |
|---+----------------------------------+--------+------------|
| » | IDE interface enabled | JP32 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | JP32 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP37 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP38 | N/A |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 512KB | (2) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 1MB | (2) 256K x | (2) 256K x | NONE | NONE |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 1.5MB | (2) 256K x | (2) 256K x | (2) 256K x | NONE |
| | 9 | 9 | 9 | |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 1M x 9 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
| | 9 | 9 | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 2.5MB | (2) 1M x 9 | (2) 256K x | NONE | NONE |
| | | 9 | | |
|-------+-------------+------------+------------+------------|
| 3MB | (2) 1M x 9 | (2) 256K x | (2) 256K x | NONE |
| | | 9 | 9 | |
|-------+-------------+------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 4.5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x | NONE |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE |
|-------+-------------+------------+------------+------------|
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
|-------+-------------+------------+------------+------------|
| 8MB | (2) 4M x 9 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 10MB | (2) 4M x 9 | (2) 1M x 9 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| COM1 (CN11) | COM2 (CN7) | JP27 | JP28 | JP29 |
|--------------+------------+----------+----------+----------|
| » | COM1 | COM2 | Pins 1 & | Pins 1 & | Pins 1 & |
| | | | 2 closed | 2 closed | 2 closed |
|---+----------+------------+----------+----------+----------|
| | COM1 | Disabled | Pins 1 & | Pins 2 & | Pins 1 & |
| | | | 2 closed | 3 closed | 2 closed |
|---+----------+------------+----------+----------+----------|
| | COM2 | COM1 | Pins 2 & | Pins 1 & | Pins 1 & |
| | | | 3 closed | 2 closed | 2 closed |
|---+----------+------------+----------+----------+----------|
| | COM2 | Disabled | Pins 1 & | Pins 2 & | Pins 2 & |
| | | | 2 closed | 3 closed | 3 closed |
|---+----------+------------+----------+----------+----------|
| | Disabled | COM1 | Pins 2 & | Pins 1 & | Pins 2 & |
| | | | 3 closed | 2 closed | 3 closed |
|---+----------+------------+----------+----------+----------|
| | Disabled | COM2 | Pins 1 & | Pins 1 & | Pins 2 & |
| | | | 2 closed | 2 closed | 3 closed |
|---+----------+------------+----------+----------+----------|
| | Disabled | Disabled | Open | Pins 2 & | Pins 2 & |
| | | | | 3 closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION |
|------------------------------------------------------------|
| COM1 | JP33 | JP34 | JP35 |
|-----------------+----------------+------------+------------|
| » | Normal | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
|---+-------------+----------------+------------+------------|
| | Forced True | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION |
|------------------------------------------------------------|
| COM2 | JP21 | JP22 | JP23 |
|-----------------+----------------+------------+------------|
| » | Normal | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
|---+-------------+----------------+------------+------------|
| | Forced True | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT'S DTE/DCE CONFIGURATION |
|------------------------------------------------------------|
| Primary serial port CN5 | Secondary serial port CN4 |
|-----------------------------+------------------------------|
(IMG) IMG 2
| | [3][IMG] |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | JP25 | JP26 |
|------------------+--------------------+--------------------|
| » | 1 | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 2 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 3 | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL BUS VGA CONFIGURATION |
|------------------------------------------------------------|
| Mode | JP18 | JP19 | JP20 | JP36 |
|--------------+------------+----------+----------+----------|
| » | Enabled | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 3 closed | 2 closed |
|---+----------+------------+----------+----------+----------|
| | Disabled | Pins 1 & 2 | Pins 1 & | Pins 1 & | Pins 2 & |
| | | closed | 2 closed | 2 closed | 3 closed |
+------------------------------------------------------------+