DIAMOND FLOWER, INC.
386SX-25/33DNB/DCB AIO
Processor |
80386SX |
Processor Speed |
25/33MHz |
Chip Set |
Diamond Flower/Acer |
Max. Onboard DRAM |
16MB |
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 |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
IDE interface |
CN1 |
Keyboard connector |
JP3 |
Floppy drive interface |
CN2 |
Turbo LED |
JP4 |
VGA Feature connector |
CN3 |
Turbo switch |
JP5 |
Serial port (COM2) |
CN7 |
Reset switch |
JP6 |
VGA port |
CN8 |
IDE interface LED |
JP7 |
Parallel port |
CN9 |
Power LED & keylock |
JP8 |
PS/2 mouse port |
CN10 |
External battery |
JP17 |
Serial port (COM1) |
CN11 |
Riser Card |
S1 |
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 |
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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 alter |
JP14 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP15 |
pins 2 & 3 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 alter |
JP30 |
pins 1 & 2 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 alter |
JP37 |
Open |
|
Factory configured - do not alter |
JP38 |
N/A |
DRAM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
512KB |
(2) 256K x 9 |
NONE |
NONE |
NONE |
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
1.5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
2.5MB |
(2) 1M x 9 |
(2) 256K x 9 |
NONE |
NONE |
3MB |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
4.5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
NONE |
5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 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 |
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COM1 (CN11) |
COM2 (CN7) |
JP27 |
JP28 |
JP29 |
|
|
COM1 |
COM2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM1 |
Disabled |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
COM2 |
COM1 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM2 |
Disabled |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
Disabled |
COM1 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
Disabled |
COM2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
Disabled |
Disabled |
Open |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION |
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COM1 |
JP33 |
JP34 |
JP35 |
|
|
Normal |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Forced True |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION |
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COM2 |
JP21 |
JP22 |
JP23 |
|
|
Normal |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Forced True |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
SERIAL PORT'S DTE/DCE CONFIGURATION |
|
Primary serial port CN5 |
Secondary serial port CN4 |
PARALLEL PORT CONFIGURATION |
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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 |
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Mode |
JP18 |
JP19 |
JP20 |
JP36 |
|
|
Enabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |