EFA CORPORATION
486 VIP
Processor |
CX486S/AM486SX/SL80486SX/80486SX/CX486S2/AM486DX/CX486DX/ SL80486DX/80486DX/CX486DX2/AM486DX2/SL80486DX2/80486DX2/ 80486DX4/P24D/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
Contaq |
Max. Onboard DRAM |
64MB |
Cache |
128/256/512/1024KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2), 32-bit PCI slots (4), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J11 |
Turbo switch |
J71 |
Green PC connector |
J13 |
Speaker |
J72 |
Green PC LED |
J33 |
Power LED & keylock |
J73 |
Reset switch |
J69 |
32-bit PCI slots |
PC1 - PC4 |
Turbo LED |
J70 |
32-bit VESA local bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
J12 |
pins 1 & 2 closed |
CMOS memory clear |
J12 |
pins 2 & 3 closed | |
|
Monitor type select color |
J14 |
Closed |
Monitor type select monochrome |
J14 |
Open | |
|
Factory configured - do not alter |
J15 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
J19 |
pins 2 & 3 closed |
|
Factory configured - do not alter |
J20 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
J22 |
pins 2 & 3 closed |
|
Factory configured - do not alter |
J23 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
J25 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
J32 |
Open |
|
CPU speed select normal speed |
J76 |
Open |
CPU speed select slow speed |
J76 |
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 |
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 |
NONE |
(1) 512K x 36 |
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 |
NONE |
(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) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
12MB |
(1) 1M x 36 |
NONE |
(1) 2M x 36 |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M 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 |
NONE |
(1) 2M x 36 |
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 |
NONE |
(1) 4M x 36 |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
NONE |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
36MB |
(1) 1M x 36 |
NONE |
(1) 8M x 36 |
NONE |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
40MB |
(1) 2M x 36 |
NONE |
(1) 8M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
48MB |
(1) 4M x 36 |
NONE |
(1) 8M x 36 |
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 |
NONE |
(1) 8M x 36 |
NONE |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
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 |
J40 |
J41 |
J42 |
J43 |
128KB |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
pins 1 & 2 closed |
256KB |
pins 2 & 3 closed |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
512KB |
pins 2 & 3 closed |
Open |
pins 2 & 3 closed |
pins 2 & 3 closed |
1MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
pins 2 & 3 closed |
CPU TYPE CONFIGURATION | ||||||
Type |
J21 |
J47 |
J48 |
J49 |
J50 |
J51 |
CX486S |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
1 & 2 |
AM486SX |
1 & 2 |
Open |
Open |
1 & 2 |
Open |
Open |
SL80486SX |
1 & 2 |
Open |
Open |
2 & 3 |
Open |
Open |
80486SX |
1 & 2 |
Open |
Open |
1 & 2 |
Open |
Open |
CX486S2 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
1 & 2 |
AM486DX |
1 & 2 |
Open |
Open |
1 & 2 |
2 & 3 |
Open |
CX486DX |
2 & 3 |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
SL80486DX |
1 & 2 |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
80486DX |
1 & 2 |
Open |
Open |
1 & 2 |
2 & 3 |
Open |
CX486DX2 |
2 & 3 |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
AM486DX2 |
1 & 2 |
Open |
Open |
1 & 2 |
2 & 3 |
Open |
SL80486DX2 |
1 & 2 |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
80486DX2 |
1 & 2 |
Open |
Open |
1 & 2 |
2 & 3 |
Open |
80486DX4 (2x) |
1 & 2 |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
80486DX4 (2.5x) |
1 & 2 |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
80486DX4 (3x) |
1 & 2 |
Open |
Open |
2 & 3 |
2 & 3 |
Open |
P24D (WT) |
1 & 2 |
Open |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
P24D (WB) |
1 & 2 |
Open |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
P24T (WT) |
1 & 2 |
Open |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
P24T (WB) |
1 & 2 |
Open |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Note: Pins desingated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
J52 |
J53 |
J54 |
J55 |
J56 |
CX486S |
2 & 3 |
2 & 3 |
4 & 5 |
5 & 6 |
5 & 6 |
AM486SX |
2 & 3 |
Open |
Open |
Open |
Open |
SL80486SX |
2 & 3 |
1 & 2 |
3 & 4, 5 & 6 |
Open |
Open |
80486SX |
2 & 3 |
Open |
Open |
Open |
Open |
CX486S2 |
2 & 3 |
2 & 3 |
4 & 5 |
5 & 6 |
5 & 6 |
AM486DX |
1 & 2, 3 & 4 |
Open |
Open |
Open |
Open |
CX486DX |
1 & 2, 3 & 4 |
2 & 3 |
4 & 5 |
5 & 6 |
5 & 6 |
SL80486DX |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4, 5 & 6 |
Open |
Open |
80486DX |
1 & 2, 3 & 4 |
Open |
Open |
Open |
Open |
CX486DX2 |
1 & 2, 3 & 4 |
2 & 3 |
4 & 5 |
5 & 6 |
5 & 6 |
AM486DX2 |
1 & 2, 3 & 4 |
Open |
Open |
Open |
Open |
SL80486DX2 |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4, 5 & 6 |
Open |
Open |
80486DX2 |
1 & 2, 3 & 4 |
Open |
Open |
Open |
Open |
80486DX4 (2x) |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4, 5 & 6 |
Open |
2 & 3 |
80486DX4 (2.5x) |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4, 5 & 6 |
Open |
4 & 5 |
80486DX4 (3x) |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4, 5 & 6 |
Open |
1 & 2 |
P24D (WT) |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
3 & 4, 5 & 6 |
1 & 2, 4 & 5 |
Open |
P24D (WB) |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
3 & 4, 5 & 6 |
2 & 3, 4 & 5 |
Open |
P24T (WT) |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4, 5 & 6 |
1 & 2 |
Open |
P24T (WB) |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4, 5 & 6 |
3 & 4 |
Open |
Note: Pins desingated should be in the closed position. |
CPU SPEED CONFIGURATION | |||||
Speed |
J16 |
J24 |
J26 |
J27 |
J28 |
25MHz |
Closed |
2 & 3 |
Closed |
1 & 2 |
2 & 3 |
33MHz |
Open |
2 & 3 |
Closed |
2 & 3 |
1 & 2 |
40MHz 1 |
Open |
2 & 3 |
Open |
1 & 2 |
2 & 3 |
40MHz 2 |
Open |
1 & 2 |
Open |
1 & 2 |
2 & 3 |
40MHz 3 |
Open |
1 & 2 |
Open |
1 & 2 |
2 & 3 |
50iMHz |
1 & 2 |
2 & 3 |
Closed |
1 & 2 |
2 & 3 |
50MHz 4 |
Open |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
50MHz 5 |
Open |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
66iMHz |
Open |
2 & 3 |
Closed |
2 & 3 |
1 & 2 |
75iMHz |
Closed |
2 & 3 |
Closed |
1 & 2 |
2 & 3 |
100iMHz |
Open |
2 & 3 |
Closed |
2 & 3 |
1 & 2 |
Note: 1 = PCI 40mhz. 2 = PCI 33mhz & OCS2 =>33mhz. 3 = PCI 20mhz & OSC2 =>empty. 4 = PCI 33mhz & OCS2 =>33mhz. 5 = PCI 25mhz & OSC2 =>empty. Pins designated should be in the closed postion. |
CPU SPEED CONFIGURATION (CONT) | |||||
Speed |
J29 |
J46 |
J57 |
J58 |
J59 |
25MHz |
Open |
Open |
Open |
Open |
pins 2 & 3 closed |
33MHz |
Open |
Open |
Open |
Open |
pins 2 & 3 closed |
40MHz 1 |
Open |
Open |
Closed |
Closed |
pins 2 & 3 closed |
40MHz 2 |
Open |
Closed |
Closed |
Closed |
pins 2 & 3 closed |
40MHz 3 |
Closed |
Closed |
Closed |
Closed |
pins 2 & 3 closed |
50iMHz |
Open |
Open |
Open |
Open |
pins 2 & 3 closed |
50MHz 4 |
Open |
Closed |
Closed |
Closed |
pins 2 & 3 closed |
50MHz 5 |
Closed |
Closed |
Closed |
Closed |
pins 2 & 3 closed |
66iMHz |
Open |
Open |
Open |
Open |
pins 2 & 3 closed |
75iMHz |
Open |
Open |
Open |
Open |
pins 2 & 3 closed |
100iMHz |
Open |
Open |
Open |
Open |
pins 2 & 3 closed |
Note: 1 = PCI 40mhz. 2 = PCI 33mhz & OCS2 =>33mhz. 3 = PCI 20mhz & OSC2 =>empty. 4 = PCI 33mhz & OCS2 =>33mhz. 5 = PCI 25mhz & OSC2 =>empty. |
CPU VOLTAGE CONFIGURATION | |
Voltage |
J74 |
3.3v (80486DX4 only) |
pins 3 & 5, 4 & 6 closed |
5.0v |
pins 1 & 3, 2 & 4 closed |
PCI COMPLIANCE CONFIGURATION | |
Slot |
J75 |
PC1 (PCI compliant) |
pins 10 & 11 closed |
PC1 (Non PCI compliant) |
pins 11 & 12 closed |
PC2 PCI compliant) |
pins 7 & 8 closed |
PC2 (Non PCI compliant) |
pins 8 & 9 closed |
PC3 (PCI compliant) |
pins 4 & 5 closed |
PC3 (Non PCI compliant) |
pins 5 & 6 closed |
PC4 (PCI compliant) |
pins 1 & 2 closed |
PC4 (Non PCI compliant) |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ3) | |
IRQ |
J31A |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ4) | |
IRQ |
J31B |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ5) | |
IRQ |
J31C |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ6) | |
IRQ |
J31J |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ7) | |
IRQ |
J31D |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ9) | |
IRQ |
J31I |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ10) | |
IRQ |
J31E |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ11) | |
IRQ |
J31F |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ12) | |
IRQ |
J31G |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI IRQ CONFIGURATION (IRQ14) | |
IRQ |
J31K |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |
PCI slot 1 (IDE) |
pins 2 & 4 closed |
PCI IRQ CONFIGURATION (IRQ15) | |
IRQ |
J31H |
PCI compliant |
pins 1 & 2 closed |
Non PCI compliant |
pins 2 & 3 closed |