NEC TECHNOLOGIES, INC.
PowerMate Image 486SX/25i, 486/33i
|
Processor |
80486SX/80486DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
36MB |
|
Cache |
64/128KB (on optional cache module) |
|
BIOS |
NEC (Flash EEPROM) |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Bus mouse port, floppy drive interface, headphone jack, IDE interface, microphone jack, parallel port, proprietary cache module socket, proprietary VGA feature card socket, serial ports (2), VGA port |
|
NPU Options |
4167 |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Proprietary cache module |
CA1 |
External battery |
JP8 |
|
Floppy drive interface |
J1 |
Parallel port |
P1 |
|
IDE interface |
J2 |
Serial port 1 |
P2 |
|
Proprietary VGA feature card |
J3 |
VGA port |
P4 |
|
Drive power |
J6 |
Serial port 2 (optional) |
P5 |
|
IDE interface LED (not used) |
JP2 |
Indicator panel assembly |
P6 |
|
Speaker (not used) |
JP6 |
Riser Card |
R1 |
|
Note: The bus mouse port, headphone jack, and microphone jack are connected to the main board via the indicator panel assembly connector (P6). |
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USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper/Switch |
Position |
|
|
|
Parallel port (P1) interrupt select IRQ7 |
JP7 |
pins 2 & 3 closed |
|
|
Parallel port (P1) interrupt select IRQ5 |
JP7 |
pins 1 & 2 closed |
|
|
|
JP9 |
pins 1 & 2 closed |
|
|
CPU type select 80486DX/33MHz |
JP9 |
pins 2 & 3 closed |
|
|
On board video enabled |
SW1/1 |
Off |
|
|
On board video disabled |
SW1/1 |
On |
|
|
Floppy drive interface enabled |
SW1/2 |
Off |
|
|
Floppy drive interface disabled |
SW1/2 |
On |
|
|
Password enabled |
SW1/3 |
Off |
|
|
Password disabled |
SW1/3 |
On |
|
|
BIOS flash reprogramming enabled |
SW1/4 |
Off |
|
|
BIOS flash reprogramming disabled |
SW1/4 |
On |
|
|
Factory configured - do not alter |
SW2 |
Open |
|
DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
4MB |
4MB |
NONE |
NONE |
|
8MB |
4MB |
(4) 1M x 9 |
NONE |
|
12MB |
4MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
20MB |
4MB |
(4) 4M x 9 |
NONE |
|
24MB |
4MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
36MB |
4MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
Note: Bank 0 is factory installed and is not configurable. The location of bank 0 is unidentified. |
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