TARGET MICRO
TYPHOON 486 VESA
|
Processor |
80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
20/25/33/50 (Internal)/50/66 (Internal) |
|
Chip Set |
Unichip |
|
Max. onboard DRAM |
128MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
260mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J4 |
Turbo switch |
JP17 |
|
Power LED & keylock |
J5 |
Reset switch |
JP18 |
|
Speaker |
J6 |
32-bit VESA local bus slots |
S1, S2, & S3 |
|
Turbo LED |
JP16 |
|
|
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper |
Position |
|
|
|
Monitor type select color |
JP1 |
Open |
|
|
Monitor type select monochrome |
JP1 |
Closed |
|
|
CMOS memory normal operation |
JP2 |
pins 1 & 2 closed |
|
|
CMOS memory clear |
JP2 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION |
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|
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) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
CACHE CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
TAG |
|
32KB |
(4) 8K x 8 |
NONE |
8K x 8 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
32K x 8 |
|
CACHE JUMPER CONFIGURATION |
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|
Size |
JP6 |
JP7 |
JP9 |
JP11 |
|
32KB |
Open |
Open |
Open |
pins 2 & 3 |
|
64KB |
Open |
Closed |
Open |
pins 1 & 2 |
|
128KB |
Open |
Closed |
Closed |
pins 1 & 2, 3 & 4 |
|
256KB |
Closed |
Closed |
Closed |
pins 1 & 2, 4 & 5 |
|
Note:Pins designated should be in the closed position. |
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|
VESA LOCAL BUS SELECT |
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|
Mode |
JP40 |
JP41 |
JP42 |
|
VL-Bus Master |
Open |
Open |
Open |
|
VL-Bus Slave |
Closed |
Closed |
Closed |
|
VESA CLOCK CONFIGURATION |
|
|
Mode |
JP43 |
|
Adjusted VL-BUS clock |
pins 1 & 2 closed |
|
Normal VL-BUS clock |
pins 2 & 3 closed |
|
VESA BUS SPEED (ID3) CONFIGURATION |
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|
CPU speed |
JP19 (ID3) |
JP44 |
|
£ 33MHz |
Open |
pins 2 & 3 closed |
|
> 33MHz |
Closed |
pins 1 & 2 closed |
|
VESA ID4 CONFIGURATION |
|
|
Setting |
JP20 (ID4) |
|
Reserved for future use |
Closed |
|
CPU SPEED CONFIGURATION |
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|
Speed |
JP29 |
JP30 |
JP31 |
|
20MHz |
Open |
Closed |
Closed |
|
25MHz |
Closed |
Open |
Closed |
|
33MHz |
Closed |
Closed |
Open |
|
50i MHz |
Closed |
Open |
Closed |
|
50MHz |
Open |
Closed |
Open |
|
66i MHz |
Closed |
Closed |
Open |
|
CPU TYPE CONFIGURATION |
|
|
Type |
JP4 |
|
80486SX |
5 & 6 closed |
|
80487SX |
pins 2 & 3, 4 & 5, 6 & 7 closed |
|
80486DX |
pins 1 & 2, 4 & 5, 6 & 7 closed |
|
80486DX2 |
pins 1 & 2, 4 & 5, 6 & 7 closed |