SEANIX TECHNOLOGY, INC.
486VLP2
Processor |
80486SX/IBM486DLC/80486DX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
EFAR |
Max. Onboard DRAM |
64MB |
Cache |
64/128/256KB |
BIOS |
ASI/MR |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
P1 |
Speaker |
P5 |
Reset switch |
P2 |
Turbo switch |
P6 |
Power LED & keylock |
P3 |
32-bit VESA local bus slots |
SL1 & SL2 |
Turbo LED |
P4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Programming voltage select 5v |
JP2 |
pins 1 & 2 closed |
Programming voltage select 12v |
JP2 |
pins 2 & 3 closed | |
|
Clock skew select same as CPU clock |
JP12 |
pins 1 & 2 closed |
Clock skew select delayed on gate relative to CPU |
JP12 |
pins 2 & 3 closed | |
|
Local ready select not delayed |
JP16 |
pins 1 & 2 closed |
Local ready select delayed one clock |
JP16 |
pins 2 & 3 closed | |
|
Battery type select internal |
P1 |
pins 2 & 3 closed |
CMOS memory clear/external battery |
P1 |
pins 1 & 2 closed | |
Battery type select external |
P1 |
Closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
7MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
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) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
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) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
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 |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP1 |
JP3 |
JP4 |
JP5 |
64KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
Open |
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
Closed |
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
CPU TYPE CONFIGURATION | ||||
Type |
JP9 |
JP10 |
JP11 |
JP13 |
80486SX |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
Open |
IBM486DLC |
pins 2 & 3 closed |
Closed |
pins 1 & 2 closed |
Closed |
80486DX |
pins 1 & 2 closed |
Open |
pins 1 & 2 closed |
Closed |
80486DX2 |
pins 1 & 2 closed |
Open |
pins 1 & 2 closed |
Closed |
Pentium Overdrive |
pins 1 & 2 closed |
Open |
pins 1 & 2 closed |
Closed |
CPU SPEED CONFIGURATION | |||
Speed |
JP6 |
JP7 |
JP8 |
25MHZ |
Open |
Closed |
Closed |
33MHz |
Closed |
Closed |
Open |
40MHz |
Closed |
Closed |
Closed |
50iMHz |
Open |
Closed |
Closed |
50MHz |
Closed |
Open |
Closed |
66iMHz |
Closed |
Closed |
Open |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP15 |
0 wait states |
pins 1 & 2 closed |
1 wait state |
pins 2 & 3 closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP14 |
<= 33MHz |
pins 1 & 2 closed |
> 33MHz |
pins 2 & 3 closed |