NEC TECHNOLOGIES, INC.
PowerMate 386/25S
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
Headland |
|
Max. Onboard DRAM |
16MB (on system memory card) |
|
Cache |
32KB |
|
Dimensions |
330.2mm x 218.4mm |
|
BIOS |
Phoenix |
|
I/O Options |
Keyboard/Bus mouse interface card socket, serial port, parallel port, VGA port, proprietary video card sockets, proprietary system memory card slot |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Proprietary system memory card |
J2 |
Keyboard/Bus mouse interface |
P2 |
|
Speaker |
J3 |
Parallel port |
P11 |
|
Proprietary video card |
J4, J5, & J6 |
Serial port |
P12 |
|
Riser Card |
J7 |
VGA port |
P13 |
|
Drive power |
J20 |
|
|
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Cache enabled |
JP2 |
Closed | |
|
Cache disabled |
JP2 |
Open | |
|
Keyboard gate select 8742/8042 |
JP8 & JP9 |
Pins 1 & 2 closed | |
|
Keyboard gate select fast A20 |
JP8 & JP9 |
Pins 2 & 3 closed | |
|
Keyboard controller test disabled |
JP111 |
Open | |
|
Keyboard controller test enabled |
JP111 |
Closed | |
|
Password enabled |
JP112 |
Closed | |
|
Password disabled |
JP112 |
Open | |
|
Test mode disabled |
SW1 |
Open | |
|
Test mode enabled |
SW1 |
Closed | |
|
Serial port enabled |
SW3/switch 3 |
Closed | |
|
Serial port disabled |
SW3/switch 3 |
Open | |
|
Parallel port enabled |
SW3/switch 5 |
Closed | |
|
Parallel port disabled |
SW3/switch 5 |
Open | |
|
Floppy drive interface enabled |
SW3/switch 6 |
Closed | |
|
Floppy drive interface disabled |
SW3/switch 6 |
Open | |
|
Floppy drive I/O port select first |
SW3/switch 7 |
Open | |
|
Floppy drive I/O port select second |
SW3/switch 7 |
Closed | |
|
Monitor type select monochrome |
SW3/switch 8 |
Open | |
|
Monitor type select color |
SW3/switch 8 |
Closed | |
|
IDE interface disabled |
SW3/switch 9 |
Open | |
|
IDE interface enabled |
SW3/switch 9 |
Closed | |
|
Bus mouse port disabled |
SW3/switch 10 |
Open | |
|
Bus mouse port enabled |
SW3/switch 10 |
Closed | |
|
CACHE CONFIGURATION |
|
Note: 32 KB cache is factory installed and is not configurable. |
|
NPU CONFIGURATION | ||
|
Type |
JP6 |
SW3/1 |
|
Disabled |
Pins 1 & 2 closed |
Off |
|
3167 |
Pins 2 & 3 closed |
Off |
|
80387 |
Pins 2 & 3 closed |
On |
|
SERIAL PORT CONFIGURATION | ||
|
Setting |
JP20 |
SW3/4 |
|
COM1/IRQ4 |
Pins 2 & 3 closed |
Off |
|
COM2/IRQ3 |
Pins 1 & 2 closed |
On |
|
VIDEO CARD CONFIGURATION | ||
|
Setting |
JP113 |
SW3/2 |
|
Enabled |
Open |
On |
|
Disabled |
Closed |
Off |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(8) 256K x 9 |
NONE |
|
4MB |
(8) 256K x 9 |
(8) 256K x 9 |
|
8MB |
(8) 1M x 9 |
NONE |
|
10MB |
(8) 256K x 9 |
(8) 1M x 9 |
|
16MB |
(8) 1M x 9 |
(8) 1M x 9 |
|
DRAM SWITCH CONFIGURATION | ||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
2MB |
Off |
Off |
Off |
Off |
|
4MB |
Off |
Off |
On |
Off |
|
8MB |
Off |
On |
Off |
Off |
|
10MB |
Off |
On |
On |
Off |
|
16MB |
On |
Off |
Off |
Off |
|
Note:SW1/4 is not used. | ||||