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 (CON’T) | |||
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 |