NEC TECHNOLOGIES, INC.
POWERMATE 386SXMB
|
Processor |
80386SX |
|
Processor Speed |
12/16MHz |
|
Chip Set |
ETEQ |
|
Max. Onboard DRAM |
32MB |
|
Cache |
16/32KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Proprietary external memory card slot |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
JP8 |
Proprietary external memory card |
S2 |
|
External battery |
JP10 |
Reset switch |
SW1 |
|
Power LED & keylock |
JP11 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Monitor type select color |
JP1 |
closed | |
|
Monitor type select monochrome |
JP1 |
open | |
|
Auxiliary Reference Burst enabled |
JP7 |
pins 1 & 2 closed | |
|
Auxiliary Reference Burst disabled |
JP7 |
pins 2 & 3 closed | |
|
Battery select internal |
JP9 |
pins 1 & 2 closed | |
|
Battery select external |
JP9 |
pins 2 & 3 closed | |
|
Proprietary system logic enabled |
JP31 |
closed | |
|
Proprietary system logic enabled |
JP31 |
closed | |
|
Main Reference Burst enabled |
JP45 |
pins 1 & 2 closed | |
|
Main Reference Burst disabled |
JP45 |
pins 3 & 4 closed | |
|
Factory configured - do not alter |
JP48 |
open | |
|
Factory configured - do not alter |
S1/switch 1 |
open | |
|
Factory configured - do not alter |
S1/switch 2 |
open | |
|
Redundancy circuit duplication enabled |
S1/switch 3 |
closed | |
|
Redundancy circuit duplication disabled |
S1/switch 3 |
open | |
|
Cache tag bit size select 16-bit |
S1/switch 4 |
open | |
|
Cache tag bit size select 32-bit |
S1/switch 4 |
closed | |
|
Board power select Direct Current |
S1/switch 5 |
open | |
|
Board power select Alternating Current (onboard converter) |
S1/switch 5 |
closed | |
|
Flash ROM programming disabled |
S1/switch 6 |
open | |
|
Flash ROM programming enabled |
S1/switch 6 |
closed | |
|
Factory configured - do not alter |
J1 |
open | |
|
Factory configured - do not alter |
J2 |
open | |
|
Factory configured - do not alter |
J3 |
open | |
|
Factory configured - do not alter |
J4 |
open | |
|
Factory configured - do not alter |
J5 |
open | |
|
Factory configured - do not alter |
J7 |
open | |
|
Factory configured - do not alter |
J10 |
open | |
|
Factory configured - do not alter |
J23 |
open | |
|
Factory configured - do not alter |
J68 |
open | |
|
Factory configured - do not alter |
J101 |
open | |
|
Factory configured - do not alter |
J102 |
open | |
|
Factory configured - do not alter |
J103 |
open | |
|
Factory configured - do not alter |
J206 |
open | |
|
Factory configured - do not alter |
J207 |
open | |
|
Factory configured - do not alter |
J208 |
open | |
|
Factory configured - do not alter |
J209 |
open | |
|
Factory configured - do not alter |
J212 |
open | |
|
Factory configured - do not alter |
J213 |
open | |
|
Note:Locations of jumpers J1 - J213 are unknown. | |||
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1 M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | ||
|
Size |
Cache SRAM |
TAG |
|
16KB |
(4) 8K x 4 |
(1) 2K x 2 |
|
32KB |
(8) 8K x 4 |
(1) 2K x 2 |
|
CACHE JUMPER CONFIGURATION | |||||
|
Jumper |
JP4 |
JP5 |
JP6 |
JP20 |
JP21 |
|
16KB |
Closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
Open |
Closed |
|
32KB |
Open |
pins 2 & 3 closed |
pins 1 & 2 closed |
Closed |
Open |