AMERICAN MEGATRENDS, INC.
ENTERPRISE III (VERSION 2)
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2/ODP586SX |
|
Processor Speed |
20/25/33/50(internal)/50/66(internal) |
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Chip Set |
AMI |
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Max. Onboard DRAM |
256MB |
|
Cache |
256KB |
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BIOS |
AMI |
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Dimensions |
355mm x 304mm |
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I/O Options |
32-bit VESA local bus slots (2), PS/2 mouse port (2) |
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NPU Options |
NONE |
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CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
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Turbo LED |
D5 |
Power LED & keylock |
J10 |
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Diagnostic LED |
J1 |
Turbo switch |
J14 |
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PS/2 mouse port |
J3 |
10-pin PS/2 mouse connector |
J100 |
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Speaker |
J8 |
32-bit VESA Local bus slot |
S1 |
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Reset switch |
J9 |
32-bit VESA Local bus slot |
S2 |
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USER CONFIGURABLE SETTINGS |
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Function |
Jumper/Switch |
Position |
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Flash BIOS disabled |
J2 |
Open |
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Flash BIOS enabled |
J2 |
Closed |
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CPU type select 80486DX |
J7 |
Pins 1 & 2, 3 & 4 closed |
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CPU type select 80486SX |
J7 |
Pins 2 & 3 closed |
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PS/2 mouse enabled |
J12 |
Pins 1 & 2 closed |
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PS/2 mouse disabled |
J12 |
Pins 2 & 3 closed |
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CPU priority select low |
J19 |
Pins 1 & 2 closed |
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CPU priority select high |
J19 |
Pins 2 & 3 closed |
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Local bus ID >=33MHz |
J30 |
Pins 1 & 2 closed |
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Local bus ID <=33MHz |
J30 |
Pins 2 & 3 closed |
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|
Factory configured - do not alter |
SW1/1 |
Off |
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Monitor type select monochrome |
SW1/2 |
Off |
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Monitor type select CGA |
SW1/2 |
On |
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DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
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2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
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16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
|
18MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
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40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
NONE |
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192MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
|
256MB |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
(4) 16M x 9 |
|
CPU SPEED SELECT |
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|
Speed |
J20 |
J21 |
J24 |
|
20MHz |
Closed |
Open |
Open |
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25MHz |
Open |
Open |
Open |
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33MHz |
Open |
Open |
Open |
|
50I Mhz |
Open |
Open |
Open |
|
50MHz |
Open |
Open |
Open |
|
66I MHz |
Open |
Open |
Open |