EFA CORPORATION
ECA 34M50HL
|
Processor |
80386DX/80486DX/80486DX2 |
|
Processor Speed |
16/20/25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slot |
|
NPU Options |
80387 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Power LED & keylock |
J10 |
|
Speaker |
J7 |
Turbo switch |
J11 |
|
Turbo LED |
J8 |
32-bit VESA local bus slot |
S1 |
|
Reset switch |
J9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
BIOS type select 27256/27512 |
J2 |
pins 2 & 3 closed | |
|
BIOS type select 271024 |
J2 |
pins 1 & 2 closed | |
|
Battery type select internal |
W1 |
Closed | |
|
Battery type select external |
W1 |
Open | |
|
Normal operation |
W2 |
Open | |
|
Self test |
W2 |
Closed | |
|
Monitor type select monochrome |
W3 |
Closed | |
|
Monitor type select color |
W3 |
Open | |
|
CMOS memory normal operations |
W12 |
pins 1 & 2 closed | |
|
CMOS memory clear |
W12 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG (U19 & U36) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(2) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||||
|
Size |
W4 |
W5 |
W6 |
W7 |
W8 |
W9 |
W10 |
W11 |
|
64KB |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
128KB |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
Closed |
Open |
Closed |
Open |
|
256KB |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
Closed |
Closed |
Closed |
|
Note: Pins designated should be in the closed position. | ||||||||
|
CPU TYPE CONFIGURATION | ||||||
|
Type |
J6 |
J13 |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
|
80386DX |
2 & 3 |
1 & 2 |
On |
On |
On |
On |
|
80486SX-20 |
1 & 2 |
1 & 2 |
Off |
Off |
Off |
Off |
|
80486SX-25 |
1 & 2 |
1 & 2 |
Off |
Off |
Off |
Off |
|
80487SX |
1 & 2 |
1 & 2 |
Off |
Off |
Off |
Off |
|
80486DX |
1 & 2 |
2 & 3 |
Off |
Off |
Off |
Off |
|
80486DX2 |
1 & 2 |
2 & 3 |
Off |
Off |
Off |
Off |
|
Note:Pins designated should be in the closed position | ||||||
|
CPU TYPE CONFIGURATION (CONT) | |||||||
|
Type |
SW2/5 |
SW2/6 |
SW2/7 |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
|
80386DX |
On |
On |
On |
On |
On |
Off |
Off |
|
80486SX-20 |
Off |
Off |
Off |
Off |
Off |
On |
On |
|
80486SX-25 |
Off |
Off |
Off |
Off |
Off |
On |
Off |
|
80487SX |
Off |
Off |
Off |
On |
On |
Off |
Off |
|
80486DX |
Off |
Off |
Off |
On |
On |
Off |
Off |
|
80486DX2 |
Off |
Off |
Off |
On |
On |
Off |
Off |
|
Note:Pins designated should be in the closed position | |||||||
|
CPU TYPE & SPEED CONFIGURATION | |||||
|
Type |
Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
80486DX2-66 |
33MHz |
On |
Off |
On |
On |
|
80486DX2-50 |
25MHz |
On |
On |
Off |
On |
|
ODP486SX-66 |
33MHz |
On |
Off |
On |
On |
|
ODP486SX-50 |
25MHz |
On |
On |
Off |
On |
|
80486DX-50 |
50MHz |
Off |
Off |
Off |
Off |
|
80486DX-33 |
33MHz |
Off |
Off |
Off |
On |
|
80486DX-25 |
25MHz |
On |
On |
Off |
On |
|
80487SX-25 |
25MHz |
On |
On |
Off |
On |
|
80487SX-20 |
40MHz |
Off |
Off |
On |
Off |
|
80486SX-25 |
25MHz |
On |
On |
Off |
On |
|
80486SX-20 |
40MHz |
Off |
Off |
On |
Off |
|
80386DX-33 |
66MHz |
Off |
Off |
Off |
On |
|
80386DX-20 |
44MHz |
On |
Off |
Off |
Off |
|
VESA WAIT STATE CONFIGURATION | |||
|
Wait state |
J3 |
J4 |
J5 |
|
Auto detect |
Closed |
Open |
Open |
|
0 |
Open |
Open |
Open |
|
1 |
Open |
Closed |
Open |