SEANIX TECHNOLOGY, INC.
S801
|
Processor |
80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI/ASI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J19 |
Turbo LED |
JP16 |
|
Turbo switch |
JP14 |
Reset switch |
S1 |
|
Speaker |
JP15 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
ASI password enabled |
JP3 |
Closed |
|
ASI password disabled |
JP3 |
Open | |
|
|
Flash BIOS write protect disabled |
JP4 |
pins 2 & 3 closed |
|
Flash BIOS write protect enabled |
JP4 |
pins 1 & 2 closed | |
|
|
Flash voltage select 5v |
JP27 |
pins 1 & 2 closed |
|
Flash voltage select 12v |
JP27 |
pins 2 & 3 closed | |
|
|
ASI/MR BIOS |
JP36 |
Open |
|
AMI w/MEGAKEY keyboard control & CMOS memory clear |
JP36 |
Closed | |
|
|
Local ready delay enabled |
JP37 |
pins 1 & 2 closed |
|
Local ready = CPU ready enabled |
JP37 |
pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
JP38 |
Open |
|
CMOS memory clear |
JP38 |
Closed | |
|
|
Factory configured - do not alter |
JP41 |
Open |
|
|
Factory configured - do not alter |
JP42 |
pins 1 & 2 closed |
|
|
Factory configured - do not alter |
JP43 |
Open |
|
|
Factory configured - do not alter |
JP45 |
pins 1 & 2 closed |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
|
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
|
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
|
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
|
DRAM CONFIGURATION (CONT) | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
|
64MB |
(1) 16M x 36 |
NONE |
NONE |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
TAG (U1) |
TAG (U2) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP11 |
JP13 |
JP25 |
JP26 |
|
64KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
Open |
|
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
Open |
Closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Closed |
Closed |
|
CPU TYPE CONFIGURATION | |
|
Type |
JP20 |
|
80486SX |
pins 1 & 2 closed |
|
80486DX |
pins 1 & 2, 3 & 4 closed |
|
80486DX2 |
pins 1 & 2, 3 & 4 closed |
|
80486DX4 |
pins 1 & 2, 3 & 4 closed |
|
Pentium Overdrive |
pins 1 & 2, 3 & 4 closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP5 |
JP6 |
JP7 |
|
25MHz |
Open |
Open |
pins 1 & 2 closed |
|
33MHz |
Closed |
Open |
pins 1 & 2 closed |
|
40MHz |
Open |
Closed |
pins 1 & 2 closed |
|
50iMHz |
Open |
Open |
pins 1 & 2 closed |
|
50MHz |
Closed |
Closed |
pins 1 & 2 closed |
|
66iMHz |
Closed |
Open |
pins 1 & 2 closed |
|
75iMHz |
Open |
Open |
pins 2 & 3 closed |
|
100iMHz |
Closed |
Open |
pins 2 & 3 closed |
|
CPU CLOCK SPEED CONFIGURATION (80486DX4) | |
|
Speed |
JP39 |
|
1x |
Open |
|
2x |
pins 1 & 2 closed |
|
3x |
pins 2 & 3 closed |
|
CPU VOLTAGE CONFIGURATION | ||||
|
Speed |
JP9 |
JP10 |
JP34 |
JP35 |
|
3.3v |
Open |
Open |
Open |
Open |
|
5.0v |
Closed |
Closed |
Closed |
Closed |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JP23 |
|
0 wait states |
Open |
|
1 wait state |
Closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP24 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |