UNIDENTIFIED
386 CACHE 33MHZ
|
Processor |
80386SX (exact location unidentified) |
|
Processor Speed |
25/33MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
16MB (12MB on external memory card) |
|
Cache |
32/64KB |
|
BIOS |
Phoenix |
|
Dimensions |
355mm x 305mm |
|
I/O Options |
32-bit external memory card |
|
NPU Options |
80387SX/3167(exact location unidentified) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 |
External memory card |
SL1 |
|
Power LED & keylock |
J2 |
Reset switch |
W3 |
|
External battery |
J4 |
Cache/turbo LED |
W5 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Battery type select internal |
H1 |
Closed | |
|
Battery type select external |
H1 |
Open | |
|
|
Factory configured - do not alter |
SW2/1 |
On |
|
NPU disabled |
SW2/2 |
Off | |
|
NPU enabled |
SW2/2 |
On | |
|
|
Factory configured - do not alter |
SW2/3 |
Off |
|
|
EGA BIOS relocated |
SW2/4 |
On |
|
EGA BIOS not relocated |
SW2/4 |
Off | |
|
|
Factory configured - do not alter |
SW2/5 |
Off |
|
Monitor type select CGA/EGA/VGA |
SW2/6 |
On | |
|
Monitor type select MGA |
SW2/6 |
Off | |
|
Slot speed select 12.5MHz |
SW2/8 |
On | |
|
Slot speed select 8.3MHz |
SW2/8 |
Off | |
|
|
Factory configured - do not alter |
W1 |
Open |
|
|
Factory configured - do not alter |
W2 |
Open |
|
|
Factory configured - do not alter |
W6 |
Open |
|
|
Factory configured - do not alter |
W9 |
Open |
|
|
Factory configured - do not alter |
W10 |
pins 2 & 3 closed |
|
|
Factory configured - do not alter |
W12 |
N/A |
|
|
Factory configured - do not alter |
W14 |
N/A |
|
|
Factory configured - do not alter |
W15 |
N/A |
|
|
Factory configured - do not alter |
W16 |
N/A |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(36) 41256 |
NONE |
NONE |
NONE |
|
2MB |
(36) 41256 |
(36) 41256 |
NONE |
NONE |
|
4MB |
(36) 411000 |
NONE |
NONE |
NONE |
|
8MB |
(36) 411000 |
(36) 411000 |
NONE |
NONE |
|
16MB |
(36) 411000 |
(36) 411000 |
(4) 1M x 9 |
(4) 1M x 9 |
|
Note: Banks 1, 2, & 3 are located on the external memory card. | ||||
|
DRAM SWITCH CONFIGURATION | |||||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/6 |
SW1/7 |
SW1/8 |
|
1MB |
On |
Off |
On |
On |
Off |
Off |
Off |
|
2MB |
Off |
On |
On |
On |
Off |
Off |
Off |
|
4MB |
On |
On |
Off |
Off |
Off |
Off |
Off |
|
8MB |
Off |
On |
Off |
Off |
Off |
Off |
Off |
|
16MB |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
DRAM SPEED CONFIGURATION | ||
|
CPU speed |
DRAM speed |
SW1/5 |
|
25MHz |
80ns |
Off |
|
25MHz |
100ns |
Off |
|
25MHz |
120ns |
On |
|
33MHz |
60ns |
Off |
|
33MHz |
80ns |
On |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
32KB |
(4) 8K x 8 |
NONE |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
W8 |
W13 |
|
32KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
64KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CACHE JUMPER/SWITCH CONFIGURATION | ||
|
Setting |
W4 |
SW2/7 |
|
Enabled |
pins 1 & 2 closed |
On |
|
Disabled |
pins 2 & 3 closed |
Off |
|
NPU CONFIGURATION | ||
|
Setting |
W7 |
W11 |
|
Asynchronous |
Closed |
pins 1 & 2 closed |
|
Synchronous |
Open |
pins 2 & 3 closed |