EFA CORPORATION
486U-PIO
Processor |
CX486SX/UMC486SX/80486SX/SL80486SX/CX486SX2/UMC486SX2/ 80486SX2/SL80486SX2/CX486DX/UMC486DX/AM486DX/(SL)AM486DX/ 80486DX/SL80486DX/CX486DX2/UMC486DX2/AM486DX2/(SL)AM486DX2/ 80486DX2/SL80486DX2/P24D/AM486DX4/(SL)AM486DX4/80486DX4/ Pentium Overdrive/CXM1 |
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512/1024KB |
BIOS |
Award |
Dimensions |
280mm x 220mm |
I/O Options |
32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Floppy drive interface |
J1 |
Power LED & keylock |
J8 |
Parallel port |
J2 |
Speaker |
J9 |
Serial port 1 |
J3 |
External battery |
J10 |
Serial port 2 |
J4 |
Reset switch |
J12 |
IDE interface 2 |
J5 |
Turbo switch |
J13 |
IDE interface 1 |
J6 |
Turbo LED |
J14 |
IDE interface LED |
J7 |
32-bit PCI slots |
PC1 - PC3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
JP1 |
Open |
CMOS memory clear |
JP1 |
Closed | |
|
Monitor type select color |
JP2 |
Closed |
Monitor type select monochrome |
JP2 |
Open | |
|
Flash BIOS voltage select 5v |
JP3 |
pins 1 & 2 closed |
Flash BIOS voltage select 12v |
JP3 |
pins 2 & 3 closed | |
PS/2 mouse IRQ12 enabled |
JP4 |
Closed | |
PS/2 mouse IRQ12 disabled |
JP4 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
NONE |
NONE |
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
3MB |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
NONE |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
4MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
5MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
5MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
NONE |
NONE |
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
NONE |
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
7MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
8MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
NONE |
NONE |
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
9MB |
(1) 256K x 36 |
(1) 2M x 36 |
NONE |
NONE |
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
10MB |
(1) 2M x 36 |
(1) 512K x 36 |
NONE |
NONE |
10MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
10MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
NONE |
NONE |
11MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
12MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
NONE |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
NONE |
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
14MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
14MB |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
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 |
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
17MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
NONE |
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
18MB |
(1) 4M x 36 |
(1) 512K x 36 |
NONE |
NONE |
18MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
NONE |
NONE |
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
22MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
NONE |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
NONE |
25MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
NONE |
NONE |
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
33MB |
(1) 256K x 36 |
(1) 8M x 36 |
NONE |
NONE |
34MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
NONE |
NONE |
34MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
34MB |
(1) 512K x 36 |
(1) 8M x 36 |
NONE |
NONE |
35MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
36MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
NONE |
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 |
38MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
NONE |
NONE |
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
40MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
NONE |
NONE |
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
NONE |
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 |
49MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
50MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
56MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
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 |
65MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
66MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
80MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
97MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
98MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
100MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
104MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
112MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
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 |
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
256KB (B) |
(4) 64K x 8 |
NONE |
(1) 32K x 8 |
512KB (A) |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 |
512KB (B) |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 64K or (1) 128K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size |
JP12 |
JP13 |
JP14 |
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
256KB (A) |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
256KB (B) |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
512KB (A) |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 4 & 5 closed |
512KB (B) |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
1MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 5 & 6 closed |
CPU TYPE CONFIGURATION | |||||
Type |
JP15 |
JP16 |
JP17 |
JP18 |
JP19 |
CX486SX |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
2 & 3, 4 & 5 |
UMC486SX |
Open |
Open |
1 & 2 |
2 & 3 |
Open |
80486SX |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
SL80486SX |
Open |
Open |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
CX486SX2 |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
2 & 3, 4 & 5 |
UMC486SX2 |
Open |
Open |
1 & 2 |
2 & 3 |
Open |
80486SX2 |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
SL80486SX2 |
Open |
Open |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
CX486DX |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3, 4 & 5 |
UMC486DX |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
AM486DX |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
(SL)AM486DX |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
80486DX |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
SL80486DX |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
CX486DX2 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3, 4 & 5 |
UMC486DX2 |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP15 |
JP16 |
JP17 |
JP18 |
JP19 |
AM486DX2 |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
(SL)AM486DX2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
80486DX2 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
SL80486DX2 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
P24D |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
AM486DX4 |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
(SL)AM486DX4 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
80486DX4 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
P24T |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
CXM1 |
2 & 3 |
1 & 2, 3 & 4 |
1 & 2 |
1 & 2 |
3 & 4, 5 & 6 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | ||||
Type |
JP22 |
JP23 |
JP24 |
JP25 |
CX486SX |
2 & 3, 4 & 5 |
2 & 3 |
1 & 2 |
Open |
UMC486SX |
Open |
2 & 3 |
2 & 3 |
Open |
80486SX |
Open |
2 & 3 |
2 & 3 |
Open |
SL80486SX |
5 & 6 |
2 & 3 |
1 & 2 |
Open |
CX486SX2 |
2 & 3, 4 & 5 |
2 & 3 |
1 & 2 |
Open |
UMC486SX2 |
Open |
2 & 3 |
2 & 3 |
Open |
80486SX2 |
Open |
2 & 3 |
2 & 3 |
Open |
SL80486SX2 |
5 & 6 |
2 & 3 |
1 & 2 |
Open |
CX486DX |
2 & 3, 4 & 5 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
UMC486DX |
Open |
1 & 2, 3 & 4 |
2 & 3 |
Open |
AM486DX |
Open |
1 & 2, 3 & 4 |
2 & 3 |
Open |
(SL)AM486DX |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
80486DX |
Open |
1 & 2, 3 & 4 |
2 & 3 |
Open |
SL80486DX |
5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
CX486DX2 |
2 & 3, 4 & 5 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
UMC486DX2 |
Open |
1 & 2, 3 & 4 |
2 & 3 |
Open |
AM486DX2 |
Open |
1 & 2, 3 & 4 |
2 & 3 |
Open |
(SL)AM486DX2 |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
80486DX2 |
Open |
1 & 2, 3 & 4 |
2 & 3 |
Open |
SL80486DX2 |
5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
P24D |
3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
AM486DX4 |
Open |
1 & 2, 3 & 4 |
2 & 3 |
Open |
(SL)AM486DX4 |
3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
80486DX4 |
5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
P24T |
5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
CXM1 |
3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
1 & 2 |
Open |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |||
Speed |
JP9 |
JP10 |
JP11 |
25MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
33MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
40MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
50iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
66iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
75iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
80iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
100iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
120iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
CPU VOLTAGE CONFIGURATION | ||
Voltage |
JP20 |
JP21 |
3.3v |
pins 2 & 3, 4 & 5 closed |
pins 1 & 2 closed |
3.45v |
pins 2 & 3, 4 & 5 closed |
pins 2 & 3 closed |
3.8v |
pins 2 & 3, 4 & 5 closed |
pins 4 & 5 closed |
4v |
pins 2 & 3, 4 & 5 closed |
pins 5 & 6 closed |
5v |
pins 1 & 2 , 5 & 6 closed |
pins 2 & 3 closed |
DMA CONFIGURATION | |||
DMA |
JP5 |
JP6 | |
DMA 3 |
pins 2 & 3 closed |
pins 2 & 3 closed | |
DMA 5 |
pins 1 & 2 closed |
pins 1 & 2 closed |