ASUS COMPUTER INTERNATIONAL
VL/I-486SV2G, VL/I-486SV2GX4 (REV. 1.1)
|
Processor |
80486SX/SL80486SX/80487SX/CX486S/CX486DX/80486DX/SL80486DX/ SLODP486/ODP486SX/CX486DX2/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)/75(internal)/82.5(internal)/ 99(internal)/100(internal)MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
64MB |
|
Cache |
128/256/512/1024KB |
|
BIOS |
Award |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (2), PS/2 mouse port, green PC |
|
NPU Options |
None |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
External battery |
BCON1 |
Green PC 1 |
JP2 |
|
Turbo switch |
CN1 |
Green PC 2 |
JP3 |
|
Turbo LED |
CN2 |
Green PC 3 |
JP4 |
|
Reset switch |
CN3 |
Suspend power management |
JP28 |
|
Speaker |
CN4 |
32-bit VESA local bus slot |
S1 |
|
Power LED & keylock |
CN5 |
32-bit VESA local bus slot |
S2 |
|
PS/2 mouse connector |
CN6 |
|
|
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Battery type select (Internal) |
JP1 |
pins 1 & 2 closed |
|
|
Battery type select (External) |
JP1 |
pins 2 & 3 closed |
|
» |
IRQ12 enabled |
JP7 |
pins 1 & 2 closed |
|
|
IRQ12 disabled |
JP7 |
pins 2 & 3 closed |
|
» |
Factory configured - do not alter |
JP8 |
N/A |
|
» |
Monitor type select CGA |
JP9 |
pins 2 & 3 closed |
|
|
Monitor type select monochrome or VGA |
JP9 |
pins 1 & 2 closed |
|
» |
Hardware SMI switch enabled |
JP10 |
pins 2 & 3 closed |
|
|
RC control enabled |
JP10 |
pins 1 & 2 closed |
|
» |
CPU manufacturer select type Intel |
JP11 |
pins 2 & 3 closed |
|
|
CPU manufacturer select type Cyrix |
JP11 |
pins 1 & 2 closed |
|
» |
Delay VESA clock |
JP24 |
pins 1 & 2 closed |
|
|
No Delay VESA clock |
JP24 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
2MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
2MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
6MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
6MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
NONE |
|
8MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
|
10MB |
(1) 2M x 36 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
10MB |
(1) 2M x 36 |
NONE |
(1) 8M x 36 |
NONE |
|
12MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
12MB |
(1) 8M x 36 |
NONE |
(1) 4M x 36 |
NONE |
|
16MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
16MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
16MB |
(1) 8M x 36 |
NONE |
(1) 8M x 36 |
NONE |
|
16MB |
(1) 8M x 36 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
16MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
17MB |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
18MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
|
18MB |
(1) 2M x 36 |
NONE |
(1) 16M x 36 |
NONE |
|
20MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
24MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
|
24MB |
(1) 8M x 36 |
NONE |
(1) 16M x 36 |
NONE |
|
32MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
32MB |
(1) 32M x 36 |
NONE |
NONE |
NONE |
|
36MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
|
DRAM CONFIGURATION (CONT.) |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 32M x 36 |
NONE |
|
40MB |
(1) 8M x 36 |
NONE |
(1) 16M x 36 |
(1) 16M x 36 |
|
40MB |
(1) 8M x 36 |
NONE |
(1) 32M x 36 |
NONE |
|
40MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
|
64MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
|
64MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 32M x 36 |
NONE |
|
64MB |
(1) 32M x 36 |
NONE |
(1) 32M x 36 |
NONE |
|
CACHE CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8/(4) 64K x 8 |
(4) 32K x 8/NONE |
(1) 32K x 8 |
|
512KB |
(4) 64K x 8/(4) 128K x 8 |
(4) 64K x 8/NONE |
(1) 32K x 8 |
|
1024KB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
|
CACHE JUMPER CONFIGURATION |
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|
Size |
JP13 |
JP14 |
JP25 |
|
128KB |
Open |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
256KB (32K x 8) |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB (64K x 8) |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
512KB (64K x 8) |
pins 5 & 6 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
512KB (128K x 8) |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
1024KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION |
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|
Type |
JP16 |
JP17 |
JP18 |
JP19 |
JP20 |
|
80486SX |
Open |
Open |
Open |
pins 2 & 3 |
pins 2 & 3 |
|
SL486SX |
3 & 4 and 5 & 6 |
Open |
pins 4 & 5 |
pins 2 & 3 |
pins 2 & 3 |
|
80487SX |
Open |
Open |
Open |
pins 1 & 2 |
pins 2 & 3 |
|
CX486S |
2 & 3 and 4 & 5 |
pins 1 & 2 |
1 & 2 and 3 & 4 |
pins 2 & 3 |
pins 2 & 3 |
|
CX486DX |
2 & 3 and 4 & 5 |
pins 1 & 2 |
1 & 2 and 3 & 4 |
pins 1 & 2 |
pins 2 & 3 |
|
80486DX |
Open |
Open |
Open |
pins 1 & 2 |
pins 2 & 3 |
|
SL486DX |
3 & 4 and 5 & 6 |
Open |
pins 4 & 5 |
pins 1 & 2 |
pins 2 & 3 |
|
SLODP486 |
pins 5 & 6 |
Open |
pins 4 & 5 |
pins 1 & 2 |
pins 2 & 3 |
|
ODP486SX |
Open |
Open |
Open |
pins 1 & 2 |
pins 2 & 3 |
|
CX486DX2 |
2 & 3 and 4 & 5 |
pins 1 & 2 |
1 & 2 and 3 & 4 |
1 & 2 and 4 & 5 |
pins 2 & 3 |
|
80486DX2 |
Open |
Open |
Open |
pins 1 & 2 |
pins 2 & 3 |
|
SL486DX2 |
3 & 4 and 5 & 6 |
Open |
pins 4 & 5 |
pins 1 & 2 |
pins 2 & 3 |
|
80486DX4 (2 x) |
3 & 4 and 5 & 6 |
pins 5 & 6 |
pins 4 & 5 |
pins 1 & 2 |
pins 2 & 3 |
|
80486DX4 (2.5 x) |
3 & 4 and 5 & 6 |
pins 4 & 5 |
pins 4 & 5 |
pins 1 & 2 |
pins 2 & 3 |
|
80486DX4 (3 x) |
3 & 4 and 5 & 6 |
Open |
pins 4 & 5 |
pins 1 & 2 |
pins 2 & 3 |
|
Pentium Overdrive |
pins 5 & 6 |
Open |
pins 4 & 5 |
pins 1 & 2 |
pins 1 & 2 |
|
Note:Pins designated should be in the closed position. |
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|
HARDWARE TRAP CPU TYPE CONFIGURATION |
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|
Type |
JP5 |
JP6 |
|
80486SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CX486S |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CX486DX |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80486DX |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
SL486SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
SL486DX |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX2 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
SL486DX2 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
SL486DX4 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
Pentium Overdrive |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION |
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|
Speed |
JP21 |
JP22 |
JP23 |
|
20MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
25MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
33MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
40MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
50i MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
50MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
66i MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
75i MHz (3x) |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
82.5i MHz (2.5x) |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
99i MHz (3x) |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
100i MHz (2x) |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
VESA WAIT STATE/BUS SPEED CONFIGURATION |
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|
CPU speed |
Wait states |
JP26 |
JP27 |
|
<=33MHz |
0 wait states |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
>33MHz |
1 wait state |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU VOLTAGE SELECTION |
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|
Function |
JP12 |
JP15 |
|
3.3V (DX4) |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
5V |
pins 1 & 2 closed |
pins 1 & 2 closed |