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. |