LEADING EDGE PRODUCTS, INC.
MODEL D3/25
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
Unknown |
|
Max. Onboard DRAM |
8MB |
|
Cache |
32KB |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
16-bit external memory card slot, bus mouse port, floppy drive interface (2), IDE interface, parallel port, serial ports (2) |
|
NPU Options |
80387DX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Bus mouse port |
J11 |
Reset switch/LED |
JP7 |
|
Serial port 1 |
J12 |
Keylock |
JP8 |
|
Serial port 2 |
J13 |
Floppy drive interface |
J23 |
|
Parallel port |
J14 |
Floppy drive interface |
J24 |
|
Speaker |
J15 |
16-bit external memory card slot |
S1 |
|
Note:The exact locations of J11 - J15, JP7, JP8, JP23 and JP24 are unknown. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select monochrome |
J1 |
pins 2 & 3 closed |
|
Monitor type select color |
J1 |
pins 1 & 2 closed | |
|
|
Floppy drive interface enabled |
J3 |
Closed |
|
Floppy drive interface disabled |
J3 |
Open | |
|
|
NPU disabled |
J10 |
pins 7 & 8 closed |
|
NPU enabled |
J10 |
pins 5 & 6 closed | |
|
|
Bus mouse port enabled |
JPA |
Closed |
|
Bus mouse port disabled |
JPA |
Open | |
|
|
Factory configured - do not alter |
JP1 |
N/A |
|
|
Factory configured - do not alter |
JP2 |
N/A |
|
|
Factory configured - do not alter |
JP3 |
N/A |
|
|
Factory configured - do not alter |
JP11 |
Open |
|
|
Factory configured - do not alter |
JP12 |
Closed |
|
|
Factory configured - do not alter |
JP13 |
Closed |
|
|
Factory configured - do not alter |
JP14 |
Closed |
|
Note:The exact locations of J1, J3, J10, JPA, JP12, JP13, and JP14 are unknown. | |||
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
Note:The exact locations of Bank 0 and Bank 1 are unknown. | ||
|
EXTERNAL MEMORY CONFIGURATION | ||
|
Size |
JP10/pins 1 & 2 |
JP10/pins 3 & 4 |
|
4MB |
Closed |
Open |
|
8MB |
Open |
Closed |
|
16MB |
Closed |
Closed |
|
BUS MOUSE IRQ INTERRUPT SELECT | ||
|
IRQ |
J2 | |
|
IRQ5 |
pins 1 & 5 closed | |
|
IRQ3 |
pins 2 & 6 closed | |
|
IRQ4 |
pins 3 & 7 closed | |
|
IRQ9 |
pins 4 & 8 closed | |
|
Note:The exact location of J2 is unknown. | ||