ELITEGROUP COMPUTER SYSTEMS, INC.
UM4980
Processor |
CX486S/SL80486SX/80486SX/SL80486SX2/80486SX2/AM486DXL/AM486DX/CX486DX/UMCU5S/AM486DXL/SL80486DX/80486DX/AM486DX2/CX486DX2/ SL80486DX2/80486DX2/80486DX4 |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
64MB |
Cache |
128/256/512/1024KB |
BIOS |
Phoenix |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J2 |
Reset switch |
J30 |
Green PC connector |
J27 |
Turbo switch |
J31 |
Turbo LED |
J28 |
Power LED & keylock |
J32 |
Speaker |
J29 |
32-bit VESA local bus slots |
SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
BIOS type select EPROM |
JP1 |
Open |
BIOS type select 5v flash |
JP1 |
pins 1 & 2 closed | |
BIOS type select 12v flash |
JP1 |
pins 2 & 3 closed | |
|
Keyboard type select external |
JP3 |
Open |
Keyboard type select internal |
JP3 |
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 |
NONE |
NONE |
NONE |
(1) 512K x 36 |
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
NONE |
NONE |
(1) 512K x 36 |
(1) 512K x 36 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
NONE |
NONE |
NONE |
(1) 2M x 36 |
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
13MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
NONE |
NONE |
(1) 2M x 36 |
(1) 2M x 36 |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
21MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
22MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
25MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
34MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
37MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
49MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 64K x 8 |
NONE |
(1) 32K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
512KB |
(4) 64K x 8 |
(4) 64K 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) 64K x 8 |
CACHE JUMPER CONFIGURATION | |||||||
Size |
JP4 |
JP5 |
JP6 |
JP10 |
JP11 |
JP12 |
JP13 |
128KB |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
Open |
256KB |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Closed |
256KB |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
Open |
Closed |
512KB |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Closed |
Open |
Closed |
512KB |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
Closed |
Open |
Closed |
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||
Type |
JP14 |
JP15 |
JP16 |
CX486S |
pins 2 & 3, 4 & 5 closed |
2 & 3 |
Open |
SL80486SX |
pins 1 & 2, 3 & 4 closed |
2 & 3 |
Open |
80486SX |
Open |
pins 2 & 3 closed |
Open |
SL80486SX2 |
pins 1 & 2, 3 & 4 closed |
2 & 3 |
Open |
80486SX2 |
Open |
pins 2 & 3 closed |
Open |
AM486DXL |
Open |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
AM486DX |
Open |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
CX486DX |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
UMC U5S |
Open |
pins 2 & 3 closed |
pins 3 & 4 closed |
AM486DXL2 |
Open |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
SL80486DX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX |
Open |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
AM486DX2 |
Open |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
CX486DX2 |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
SL80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX2 |
Open |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX2 (WB) |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX4 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
CPU TYPE CONFIGURATION (CONT) | |||
Type |
JP17 |
JP18 |
JP19 |
CX486S |
2 & 3, 4 & 5 |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4, 5 & 6 |
SL80486SX |
5 & 6 |
1 & 2 |
1 & 2 |
80486SX |
Open |
2 & 3 |
Open |
SL80486SX2 |
5 & 6 |
1 & 2 |
1 & 2 |
80486SX2 |
Open |
2 & 3 |
Open |
AM486DXL |
1 & 2 |
2 & 3 |
2 & 3 |
AM486DX |
Open |
2 & 3 |
Open |
CX486DX |
2 & 3, 4 & 5 |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
UMC U5S |
1 & 2 |
2 & 3 |
2 & 3 |
AM486DXL2 |
1 & 2 |
2 & 3 |
2 & 3 |
SL80486DX |
5 & 6 |
1 & 2 |
1 & 2 |
80486DX |
Open |
2 & 3 |
Open |
AM486DX2 |
Open |
2 & 3 |
Open |
CX486DX2 |
2 & 3, 4 & 5 |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
SL80486DX2 |
5 & 6 |
1 & 2 |
1 & 2 |
80486DX2 |
Open |
2 & 3 |
Open |
80486DX2 (WB) |
3 & 4, 5 & 6 |
1 & 2, 4 & 5 |
1 & 2, 4 & 5 |
80486DX4 |
5 & 6 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |||
Speed |
JP7 |
JP8 |
JP9 |
25MHz |
Closed |
Open |
Open |
33MHz |
Closed |
Closed |
Closed |
40MHz |
Closed |
Closed |
Open |
50iMHz |
Closed |
Open |
Open |
50MHz |
Open |
Open |
Closed |
66iMHz |
Closed |
Closed |
Closed |
75iMHz |
Closed |
Open |
Open |
100iMHz |
Closed |
Closed |
Closed |
CPU SPEED CONFIGURATION (80486DX4 ONLY) | |
Speed |
JP24 |
2x |
pins 2 & 3 closed |
3x |
Open |
CPU VOLTAGE CONFIGURATION | |||
Voltage |
JP20 |
JP21 |
JP22 |
3.3v |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
3.45v |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
5v |
pins 1 & 2 closed |
pins 1 & 2 closed |
Open |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP26 |
0 wait states |
Open |
1 wait state |
Closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP25 |
<= 33MHz |
Open |
> 33MHz |
Closed |