EVEREX SYSTEMS, INC.
STEP 486 EISA VL (EV-3605)
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
20/25/33MHZ |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
64MB |
|
SRAM Cache |
256/512/1024KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slot, keyboard controller/daughter card |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Keyboard controller/daughter card |
C1 |
Turbo LED |
JP16 |
|
LED front panel connector |
CN1 |
Turbo switch |
JP17 |
|
Speaker |
J19 |
Reset switch |
JP18 |
|
Power LED & keylock |
J22 |
32-bit VESA Local bus slot |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Factory configured - do not alter |
J1 |
Closed | |
|
Factory configured - do not alter |
JP9 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP21 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP23 |
Closed | |
|
Monitor type select color |
JP24 |
Open | |
|
Monitor type select monochrome |
JP24 |
Closed | |
|
CMOS memory normal operation |
JP25 |
Open | |
|
CMOS memory clear |
JP25 |
Closed | |
|
Factory configured - do not alter |
JP31 |
Closed | |
|
Factory configured - do not alter |
JP32 |
Closed | |
|
Factory configured - do not alter |
JP33 |
Closed | |
|
Factory configured - do not alter |
JP100 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP101 |
Closed | |
|
Factory configured - do not alter |
JP102 |
Closed | |
|
Factory configured - do not alter |
JP103 |
Closed | |
|
Factory configured - do not alter |
JP104 |
Closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
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 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
|
18MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
NONE |
|
192MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
|
256MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE JUMPER CONFIGURATION | |||||
|
Size |
JP1 |
JP3 |
JP4 |
JP12 |
JP13 |
|
256KB |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
512KB |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
|
1024KB |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
Note:pins designated should be in the closed position. | |||||
|
CACHE CONFIGURATION | |||
|
Size |
Cache |
Location |
TAG |
|
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
(2) 16K x 4 |
|
128KB |
(4) 32K x 8 |
Bank 0 |
(2) 16K x 4 |
|
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
(2) 16K x 4 |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP15 |
JP5 |
JP7 |
|
80486SX |
Open |
Open |
pins 1 & 2 closed |
|
80487SX |
Closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |