ELITEGROUP COMPUTER SYSTEMS, INC.
UM4981 AIO
|
Processor |
CX486S/U5S/SL80486SX/80486SX/SL80486SX2/80486SX2/AM486DX/ AM486DXL/CX486DX/SL80486DX/80486DX/AM486DXL2/AM486DX2/ CX486DX2/SL80486DX2/80486DX2/P24D/80486DX4 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Parallel port |
J1 |
Power LED & keylock |
JP30 |
|
Serial port 1 |
J2 |
Speaker |
JP31 |
|
Serial port 2 |
J3 |
Reset switch |
JP32 |
|
Floppy drive interface |
J4 |
Turbo LED |
JP33 |
|
IDE interface (primary) |
J5 |
Turbo switch |
JP34 |
|
IDE interface (secondary) |
J6 |
IDE interface LED |
JP39 |
|
External battery |
JP1 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
Green PC connector |
JP15 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Flash BIOS voltage select 5v |
JP2 |
pins 1 & 2 closed |
|
Flash BIOS voltage select 12v |
JP2 |
pins 2 & 3 closed | |
|
|
On board I/O enabled |
JP3 |
pins 1 & 2 closed |
|
On board I/O disabled |
JP3 |
pins 2 & 3 closed | |
|
|
Parallel port IRQ select IRQ7 |
JP4 |
pins 2 & 3 closed |
|
Parallel port IRQ select IRQ5 |
JP4 |
pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
JP7 |
N/A |
|
|
Parallel port mode select normal mode |
JP8 |
Open |
|
Parallel port mode select ECP mode |
JP8 |
Closed | |
|
|
Primary IDE interface enabled |
JP35 |
pins 1 & 2 closed |
|
Primary IDE interface disabled |
JP35 |
pins 2 & 3 closed | |
|
|
Secondary IDE interface enabled |
JP36 |
pins 1 & 2 closed |
|
Secondary IDE interface disabled |
JP36 |
pins 2 & 3 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 |
(1) 512K x 36 |
NONE |
|
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 |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
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 |
|
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 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP22 |
JP23 |
JP24 |
JP25 |
|
64KB |
pins 2 & 3 closed |
Open |
Open |
Open |
|
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
Open |
Closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Closed |
Closed |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP16 |
JP17 |
JP18 |
|
CX486S |
pins 2 & 3, 4 & 5 closed |
pins 2 & 3, 4 & 5 closed |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
U5S |
Open |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
SL80486SX |
pins 1 & 2, 3 & 4 closed |
pins 5 & 6 closed |
pins 1 & 2 closed |
|
80486SX |
Open |
Open |
pins 2 & 3 closed |
|
SL80486SX2 |
pins 1 & 2, 3 & 4 closed |
pins 5 & 6 closed |
pins 1 & 2 closed |
|
80486SX2 |
Open |
Open |
pins 2 & 3 closed |
|
AM486DX |
Open |
Open |
pins 2 & 3 closed |
|
AM486DXL |
Open |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CX486DX |
pins 2 & 3 closed |
pins 2 & 3, 4 & 5 closed |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
SL80486DX |
pins 1 & 2, 3 & 4 closed |
pins 5 & 6 closed |
pins 1 & 2 closed |
|
80486DX |
Open |
Open |
pins 2 & 3 closed |
|
AM486DX2 |
Open |
Open |
pins 2 & 3 closed |
|
AM486DXL2 |
Open |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CX486DX2 |
pins 2 & 3 closed |
pins 2 & 3, 4 & 5 closed |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
SL80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 5 & 6 closed |
pins 1 & 2 closed |
|
80486DX2 |
Open |
Open |
pins 2 & 3 closed |
|
P24D |
pins 1 & 2, 3 & 4 closed |
pins 3 & 4, 5 & 6 closed |
pins 1 & 2, 4 & 5 closed |
|
80486DX4 |
pins 1 & 2, 3 & 4 closed |
pins 5 & 6 closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION (CONT) | |||
|
Type |
JP19 |
JP20 |
JP21 |
|
CX486S |
pins 1 & 2, 3 & 4 closed |
Open |
pins 2 & 3 closed |
|
U5S |
pins 2 & 3 closed |
pins 3 & 4 closed |
pins 2 & 3 closed |
|
SL80486SX |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
|
80486SX |
Open |
Open |
pins 2 & 3 closed |
|
SL80486SX2 |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
|
80486SX2 |
Open |
Open |
pins 2 & 3 closed |
|
AM486DX |
Open |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
AM486DXL |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
|
CX486DX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
SL80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
80486DX |
Open |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
AM486DX2 |
Open |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
AM486DXL2 |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2, 3 & 4 closed |
|
CX486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
SL80486DX2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
80486DX2 |
Open |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
P24D |
pins 1 & 2, 4 & 5 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
80486DX4 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP9 |
JP10 |
JP11 |
|
25MHz |
Open |
Open |
Closed |
|
33MHz |
Closed |
Closed |
Closed |
|
40MHz |
Open |
Closed |
Closed |
|
50iMHz |
Open |
Open |
Closed |
|
50MHz |
Closed |
Open |
Open |
|
66iMHz |
Closed |
Closed |
Closed |
|
75iMHz |
Open |
Open |
Closed |
|
100iMHz |
Closed |
Closed |
Closed |
|
CPU SPEED CONFIGURATION (80486DX4 ONLY) | |
|
Speed |
JP29 |
|
2x |
pins 2 & 3 closed |
|
3x |
Open |
|
CPU VOLTAGE CONFIGURATION | |
|
Voltage |
JP26 |
|
3.3v (from on board regulator) |
pins 3 & 4 closed |
|
3.3v (from special power supply unit) |
pins 5 & 6 closed |
|
5v (from standard power supply unit |
pins 1 & 2 closed |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JP27 |
|
0 wait states |
Open |
|
1 wait state |
Closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP28 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |
|
ECP MODE CONFIGURATION | ||
|
Setting |
JP5 |
JP6 |
|
DRQ1/DACK 1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
DRQ3/DACK 3 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
HARD DRIVE TIMING CONFIGURATION | |||||
|
Active time |
Cycle time |
Speed |
HDD capacity |
JP37 |
JP38 |
|
15T |
30T |
1 |
40/50MHz |
2 & 3 |
2 & 3 |
|
15T |
19T |
2 |
25/33MHz |
1 & 2 |
2 & 3 |
|
9T |
13T |
3 |
<20mhz/enhanced IDE |
2 & 3 |
1 & 2 |
|
18T |
37T |
0 |
<40mhz/non ATA support |
1 & 2 |
1 & 2 |