SEANIX TECHNOLOGY, INC.
S895 (VER. 1.0)
|
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 |
128MB |
|
Cache |
128/256KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J15 |
Chassis fan power |
JP118 |
|
Speaker |
JP27 |
PAL socket for VL master option |
JP140 |
|
Turbo switch |
JP114 |
Reset switch |
S1 |
|
Turbo LED |
JP115 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Flash BIOS write protect enabled |
JP3 |
pins 1 & 2 closed |
|
Flash BIOS write protect disabled |
JP3 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP5 |
pins 1 & 2 closed |
|
|
Cache type select write through |
JP14 |
Open |
|
Cache type select write back |
JP14 |
Closed | |
|
|
Pentium Overdrive level 1 cache select burst write |
JP16 |
Closed |
|
Pentium Overdrive level 1 cache select disable blen# |
JP16 |
Open | |
|
|
Factory configured - do not alter |
JP21 |
pins 2 & 3 closed |
|
|
Programming voltage select +12v |
JP107 |
pins 1 & 2 closed |
|
Programming voltage select +5v |
JP107 |
pins 2 & 3 closed | |
|
|
1Mbit flash select 512KB bit file at 00000 |
JP108 |
Closed |
|
1Mbit flash select 512KB bit file at 10000 |
JP108 |
Open | |
|
|
Factory configured - do not alter |
JP112 |
Open |
|
|
Factory configured - do not alter |
JP113 |
Open |
|
|
CPU type select Intel/AMD |
JP119 |
pins 1 & 2 closed |
|
CPU type select Cyrix M7 |
JP119 |
pins 2 & 3 closed | |
|
|
CPU type select Intel/AMD |
JP120 |
Open |
|
CPU type select Cyrix 2X |
JP120 |
Closed | |
|
|
Factory configured - do not alter |
JP121 |
Open |
|
|
Factory configured - do not alter |
JP122 |
Open |
|
|
Factory configured - do not alter |
JP123 |
Open |
|
|
Factory configured - do not alter |
JP127 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP125 |
JP126 |
|
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | |
|
Type |
JP26 |
|
80486SX |
pins 2 & 3 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 TYPE CONFIGURATION | ||
|
Type |
JP25 |
JP116 |
|
Non - SL enhanced CPU |
Open |
Open |
|
SL enhanced CPU |
Closed |
pins 1 & 2, 3 & 4 closed |
|
CPU SPEED CONFIGURATION | |
|
Speed |
JP124 |
|
25MHz |
pins 1 & 2, 5 & 6 closed |
|
33MHz |
pins 1 & 2, 3 & 4 closed |
|
40MHz |
pins 5 & 6 closed |
|
50iMHz |
pins 1 & 2, 5 & 6 closed |
|
50MHz |
pins 3 & 4 closed |
|
66iMHz |
pins 1 & 2, 3 & 4 closed |
|
75iMHz |
pins 1 & 2, 5 & 6 closed |
|
100iMHz |
pins 1 & 2, 3 & 4 closed |
|
CPU VOLTAGE CONFIGURATION | ||||
|
Voltage |
JP101 |
JP102 |
JP103 |
JP104 |
|
3.45v |
Open |
Open |
Open |
Open |
|
5v |
Closed |
Closed |
Closed |
Closed |
|
Note: The location of JP101 is unidentified. | ||||
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JP31 |
|
0 wait states |
Open |
|
1 wait state |
Closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP30 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |