EFA CORPORATION
4MHL3G
|
Processor |
CXM6/SL80486SX/80486SX/SL80486DX/80486DX/ODP486SX/CXM7/ SL80486DX2/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256/512/1024KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP1 |
Turbo LED |
JP52 |
|
Turbo switch |
JP48 |
Turbo key |
JP53 |
|
Reset switch |
JP49 |
Green PC connector |
JP54 |
|
Power LED & keylock |
JP50 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Speaker |
JP51 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Monitor type select EGA |
JP2 |
pins 2 & 3 closed |
|
Monitor type select monochrome/VGA |
JP2 |
pins 1 & 2 closed | |
|
» |
Factory configured - do not alter |
JP4 |
Open |
|
» |
CMOS memory normal operation |
JP5 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP5 |
pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
JP12 |
Open |
|
» |
Factory configured - do not alter |
JP25 |
Open |
|
» |
DX slow down mode disabled |
JP37 |
Open |
|
DX slow down mode enabled |
JP37 |
Closed | |
|
» |
Factory configured - do not alter |
JP38 |
Open |
|
» |
Factory configured - do not alter |
JP45 |
Open |
|
» |
Factory configured - do not alter |
JP55 |
Open |
|
Note: The location of jumpers JP45 & JP55 are unidentified. | |||
|
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 |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
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 |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 1M 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) 4M x 36 |
NONE |
NONE |
NONE |
|
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
36MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
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) 4M 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 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
65MB |
(1) 256K x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
68MB |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M 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) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
|
CACHE JUMPER CONFIGURATION | |||||||
|
Size |
JP9 |
JP27 |
JP28 |
JP35 |
JP41 |
JP42 |
JP43 |
|
64KB |
1 & 2 |
2 & 3 |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
128KB |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
|
256KB |
1 & 2 |
1 & 2 |
2 & 3, 4 & 5 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
|
512KB |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
1MB |
1 & 2 |
1 & 2 |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION | ||||||
|
Type |
JP7 |
JP11 |
JP16 |
JP17 |
JP18 |
JP19 |
|
CXM6 |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
SL80486SX |
Closed |
2 & 3 |
4 & 5 |
1 & 2 |
2 & 3 |
Open |
|
80486SX |
Open |
Open |
Open |
Open |
2 & 3 |
Open |
|
ODP486SX |
Open |
Open |
Open |
Open |
2 & 3 |
Open |
|
SL80486DX |
Closed |
2 & 3 |
4 & 5 |
1 & 2 |
2 & 3 |
Open |
|
80486DX |
Open |
Open |
Open |
Open |
2 & 3 |
Open |
|
CXM7 |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
SL80486DX2 |
Closed |
2 & 3 |
4 & 5 |
1 & 2 |
2 & 3 |
Open |
|
80486DX2 |
Open |
Open |
Open |
Open |
2 & 3 |
Open |
|
80486DX4 |
Closed |
2 & 3 |
4 & 5 |
1 & 2 |
2 & 3 |
Open |
|
P24T |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed postion. | ||||||
|
CPU TYPE CONFIGURATION (CON’T) | ||||||||
|
Type |
JP19 |
JP20 |
JP21 |
JP22 |
JP23 |
JP29 |
JP30 |
JP31 |
|
CXM6 |
2 & 3 |
1 & 2 |
2 & 3 |
Open |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
|
SL80486SX |
Open |
Open |
2 & 3 |
Open |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
|
80486SX |
Open |
Open |
2 & 3 |
Open |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
|
ODP486SX |
Open |
Open |
1 & 2 |
2 & 3 |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
|
SL80486DX |
Open |
Open |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
|
80486DX |
Open |
Open |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
|
CXM7 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
1 & 2 |
2 & 3 |
|
SL80486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
|
80486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
|
80486DX4 |
Open |
Open |
1 & 2 |
1 & 2 |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
|
P24T |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
Closed |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed postion. The location fof JP29 is unidentified. | ||||||||
|
CPU TYPE CONFIGURATION | ||
|
Type |
jp6 |
jp26 |
|
All CPU types |
Open |
pins 1 & 2 closed |
|
80486DX4 only |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP8 |
JP14 |
JP15 |
|
All CPU types |
Open |
Open |
Open |
|
P24D only |
Closed |
Closed |
Closed |
|
CPU TYPE CONFIGURATION | |
|
Type |
JP10 |
|
All CPU types |
Open |
|
CX486DX-40 |
pins 2 & 3 closed |
|
CX486DX2-50 |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION | |
|
Type |
JP24 |
|
All CPU types |
Open |
|
CX M6/M7 CPU |
Closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP32 |
JP33 |
JP34 |
|
20MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
25MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
33MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
40MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
50iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
50MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
66iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
75iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
100iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CPU VOLTAGE CONFIGURATION | ||
|
Voltage |
JP13 |
JP44 |
|
3.3v |
pins 2 & 3, 5 & 6 closed |
pins 1 & 2 closed |
|
5.0v |
pins 1 & 2, 4 & 5 closed |
pins 2 & 3 closed |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JP40 |
|
0 wait states |
pins 1 & 2 closed |
|
1 wait state |
pins 2 & 3 closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP39 |
|
<= 33MHz |
pins 1 & 2 closed |
|
> 33MHz |
pins 2 & 3 closed |