DIAMOND FLOWER, INC.
386-25UN/C
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
12MB |
|
Cache |
64KB (on external cache card) |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external cache card slot |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External keyboard |
J1 |
Turbo switch |
J6 or J13 |
|
CPU clock |
J2 |
Speaker |
J7 |
|
Power LED & keylock |
J3 |
External battery |
J14 |
|
Reset switch |
J4 or J11 |
32-bit external cache card |
S1 |
|
Turbo LED |
J5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
NPU type select 3167 or none |
J9 |
Closed |
|
NPU type select 80387 |
J9 |
Open | |
| » |
Monitor type select monochrome |
J10 |
Open |
|
Monitor type select color |
J10 |
Closed | |
| » |
Battery type select internal |
J12 |
pins 2 & 3 closed |
|
Battery type select external |
J12 |
pins 1 & 2 closed | |
| » |
Factory configured - do not alter (revision 0 boards only) |
JP22 |
pins 1 & 2 closed |
| » |
Factory configured - do not alter (revision 0 boards only) |
JP23 |
Closed |
| » |
DRAM type select 1M x 9 |
SW1/1 |
Off |
|
DRAM type select 256K x 9 |
SW1/1 |
On | |
|
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 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
DRAM BANK CONFIGURATION | ||
|
Bank |
sw1/2 |
sw1/3 |
|
0, 1, & 2 |
Off |
Off |
|
0 & 1 |
Off |
On |
|
0 |
On |
On |
|
DRAM SPEED CONFIGURATION | ||
|
Speed |
sw1/4 |
sw1/5 |
|
80ns |
Off |
Off |
|
100ns |
On |
On |
|
CACHE/PAGE MODE CONFIGURATION | ||
|
Mode |
JP1 - JP20 |
JP21 |
|
Page |
Closed |
pins 1 & 2 closed |
|
Cache |
Open |
pins 2 & 3 closed |
|
CACHE CONFIGURATION | |
|
Setting |
JP7 |
|
Enabled |
Closed |
|
Disabled |
Open |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
JP6 |
|
32KB |
1 & 2 |
Open |
Open |
Open |
Closed |
1 & 2 |
|
64KB |
2 & 3 |
Closed |
Closed |
Closed |
Open |
2 & 3 |
|
Note:Pins designated should be in the closed position. | ||||||