WYSE TECHNOLOGY, INC.
WYSESYSTEM 386 MODEL 3225
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
WYSE |
|
Max. Onboard DRAM |
16MB |
|
Cache |
64KB |
|
BIOS |
WYSE |
|
Dimensions |
334mm x 122mm |
|
I/O Options |
Proprietary top plane local bus connector, serial ports (2) |
|
NPU Options |
80387/3167 |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
External battery |
C1 |
Serial port two |
J5 |
|
Front panel connector |
C2 |
Card edge connector |
S1 |
|
Power good/Speaker |
C3 |
Top plane local bus connector |
S2 |
|
Serial port one |
C4 |
|
|
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Factory configured - do not alter |
WA |
Closed |
|
» |
Factory configured - do not alter |
WB |
Closed |
|
» |
Parity check enabled |
WE |
Closed |
|
|
Parity check disabled |
WE |
Open |
|
» |
Factory test disabled |
WF |
pins 1 & 2 closed |
|
|
Factory test enabled |
WF |
pins 2 & 3 closed |
|
» |
Monitor type select color |
WG |
pins 2 & 3 closed |
|
|
Monitor type select monochrome |
WG |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
WH |
Closed |
|
» |
Factory configured - do not alter |
WI |
Open |
|
» |
NPU disabled |
WJ |
Closed |
|
|
NPU enabled |
WJ |
Open |
|
» |
Factory configured - do not alter |
WK |
pins 1 & 2 closed |
|
» |
Hidden refresh enabled |
WL |
pins 1 & 2 closed |
|
|
Hidden refresh disabled |
WL |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
WM |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
WN |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
WV |
Closed |
|
KEYBOARD SCANNER CONFIGURATION |
||||||
|
Setting |
WP |
WQ |
WR |
WS |
WT |
WU |
|
1 chip installed at 6D |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
|
2 chips installed at 6A and 6D |
Open |
Open |
Open |
Open |
Open |
Open |
|
BIOS CONFIGURATION |
||
|
Jumper |
WC |
WD |
|
27128 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
27256 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
27512 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
DRAM SWITCH CONFIGURATION |
|||||
|
Size |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW2/1 |
|
4MB |
On |
Off |
Off |
Off |
Off |
|
8MB |
Off |
On |
Off |
Off |
On |
|
12MB |
On |
On |
Off |
Off |
On |
|
16MB |
Off |
Off |
On |
Off |
On |
|
DRAM SWITCH CONFIGURATION (CON'T) |
|||||
|
Size |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
|
4MB |
Off |
Off |
Off |
Off |
Off |
|
8MB |
Off |
Off |
Off |
Off |
Off |
|
12MB |
Off |
On |
Off |
Off |
Off |
|
16MB |
Off |
On |
Off |
On |
Off |
|
DRAM SPLIT CONFIGURATION |
|||
|
Memory Split |
SW1/1 |
SW1/2 |
|
|
» |
640KB/384KB |
On |
On |
|
|
512KB/512KB |
Off |
On |
|
|
256KB/786KB |
On |
Off |