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# NEC TECHNOLOGIES, INC.
POWERMATE 386/25
Processor 80386DX
Processor Speed 25MHz
Chip Set ETEQ
Max. Onboard 8MB (on system memory card)
DRAM
Cache None
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options Proprietary Serial/Parallel card, serial
ports (2, on serial/parallel card), parallel
port (on serial/parallel card), floppy drive
interface, proprietary system memory card,
proprietary external memory card slot (on
system memory card)
NPU Options 80387/3167
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Speaker | P1 | Serial port 2 | P10 |
|----------------+----------+---------------------+----------|
| Power LED & | P4 | Turbo LED | P11 |
| Keylock | | | |
|----------------+----------+---------------------+----------|
| Parallel port | P5 | Proprietary | P12 |
| | | serial/parallel | |
| | | card | |
|----------------+----------+---------------------+----------|
| Serial port 1 | P6 | Proprietary system | S1 |
| | | memory card | |
|----------------+----------+---------------------+----------|
| Floppy drive | P7 | | |
| interface | | | |
|------------------------------------------------------------|
| Note:Serial ports P6 & P10 and parallel port P5 are |
| located on the proprietary serial/parallel card. |
| |
| Diagrams for the proprietary serial/parallel card are |
| unavailable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS ||
|-----------------------------------------------------------||
| Function | Jumper/Switch | Position ||
|------------------------------+---------------+------------||
| » | NPU type select 3167 | 5L1/13G2 | pins 2 & 3 ||
| | | | closed ||
| | | SW1/switch 7 | ||
| | | | open ||
|---+--------------------------+---------------+------------||
| | NPU type select 80387 | 5L1/13G2 | pins 1 & 2 ||
| | | | closed ||
| | | SW1/switch 7 | ||
| | | | closed ||
|---+--------------------------+---------------+------------||
| » | Pipeline mode disabled | 8E2/13G1 | pins 2 & 3 ||
| | | | closed ||
|---+--------------------------+---------------+------------||
| | Pipeline mode enabled | 8E2/13G1 | pins 1 & 2 ||
| | | | closed ||
|---+--------------------------+---------------+------------||
| » | Test mode disabled | 13A1 | Open ||
|---+--------------------------+---------------+------------||
| | Test mode enabled | 13A1 | Closed ||
|---+--------------------------+---------------+------------||
| » | Keyboard controller test | 20B2 | Open ||
| | mode disabled | | ||
|---+--------------------------+---------------+------------||
| | Keyboard controller test | 20B2 | Closed ||
| | mode enabled | | ||
|---+--------------------------+---------------+------------||
| » | Monitor type select | SW1/1 | On ||
| | color | | ||
|---+--------------------------+---------------+------------||
| | Monitor type select | SW1/1 | Off ||
| | monochrome | | ||
|---+--------------------------+---------------+------------||
| » | Floppy drive interface | SW1/2 | Off ||
| | address select primary | | ||
|---+--------------------------+---------------+------------||
| | Floppy drive interface | SW1/2 | On ||
| | address select secondary | | ||
|---+--------------------------+---------------+------------||
| » | Floppy drive interface | SW1/3 | On ||
| | enabled | | ||
|---+--------------------------+---------------+------------||
| | Floppy drive interface | SW1/3 | Off ||
| | disabled | | ||
|---+--------------------------+---------------+------------||
| » | Serial port 2 select | SW1/4 | On ||
| | COM2 | | ||
|---+--------------------------+---------------+------------||
| | Serial port 2 disabled | SW1/4 | Off ||
|---+--------------------------+---------------+------------||
| » | Serial port 1 select | SW1/5 | On ||
| | COM1 | | ||
|---+--------------------------+---------------+------------||
| | Serial port 1 disabled | SW1/5 | Off ||
|---+--------------------------+---------------+------------||
| » | System enabled | SW1/6 | On ||
|---+--------------------------+---------------+------------||
| | System disabled | SW1/6 | Off ||
|---+--------------------------+---------------+------------||
| » | Factory configured - do | SW1/8 | Off ||
| | not alter | | ||
|---+--------------------------+---------------+------------||
| » | Factory configured - do | SW1/9 | Off ||
| | not alter | | ||
|---+--------------------------+---------------+------------||
| » | Factory configured - do | SW1/10 | Off ||
| | not alter | | ||
|---+--------------------------------------------------------|
| | Notes:Serial ports P6 & P10 and parallel port P5 are |
| | located on the proprietary serial/parallel card. |
| | |
| | Depending on the revision number of the mainboard, the |
| | board will have either jumpers |
| | |
| | 5L1 and 8E2 or 13G1 and 13G2, but not both sets. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | 5L1 | 13G2 | SW1/7 |
|----------+-------------------+-------------------+---------|
| 3167 | pins 2 & 3 closed | pins 2 & 3 closed | Off |
|----------+-------------------+-------------------+---------|
| 80387 | pins 1 & 2 closed | pins 1 & 2 closed | On |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|------------------------------------------+-----------------|
| Proprietary external memory card | S1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 |
|------------------+--------------------+--------------------|
| 2MB | (16) 44256 | (8) 41256 |
|------------------------------------------------------------|
| Note:The locations of Bank 0and P-0 are unidentified. |
+------------------------------------------------------------+
SYSTEM MEMORY CARD (G8EGX)
(IMG) IMG 3
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|------------------------------------------+-----------------|
| Proprietary external memory card | S1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 8MB | (72) 44256 |
+------------------------------------------------------------+