UNIDENTIFIED
PCI/ISA UD486GRN
|
Processor |
CX486SX/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/UMCU5S/ SL80486DX/CX486DX2/AM486DX2/SL80486DX2/AM486DX4/80486DX4 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256/512KB |
|
BIOS |
Unidentified |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
32-bit PCI slots (3), green PC connector, IDE interfaces (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
CN1 |
Turbo switch |
JP29 |
|
Power LED & keylock |
CN2 |
Turbo LED |
JP30 |
|
IDE interface |
JH1 |
Reset switch |
JP31 |
|
IDE interface |
JH2 |
IDE interface LED |
JP32 |
|
Green PC connector |
JP26 |
32-bit PCI slots |
PC1 - PC3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
CMOS memory normal operation |
JC |
Closed |
|
CMOS memory clear |
JC |
Open | |
|
IDE interface enabled |
JP2 |
Open | |
|
IDE interface disabled |
JP2 |
Closed | |
|
|
Port address fixed |
JP3 |
Closed |
|
Port address relocatable |
JP3 |
Open | |
|
|
Factory configured - do not alter |
JP10 |
Open |
|
|
Factory configured - do not alter |
JP15 |
pins 1 & 2 closed |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
4MB |
NONE |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
NONE |
NONE |
(1) 2M x 36 |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
128KB |
(4) 32K x 8 |
(1) 8K x 8 |
|
256KB |
(4) 64K x 8 |
(1) 32K x 8 |
|
512KB |
(4) 128K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP22 |
JP23 pins 1 & 2 |
JP23 pins 3 & 4 |
JP25 |
|
128KB |
Open |
Closed |
Open |
pins 1 & 2 closed |
|
256KB |
Open |
Closed |
Closed |
pins 2 & 3 closed |
|
512KB |
Closed |
Closed |
Closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | |||||
|
Type |
JP7 |
JP11 |
JP12 |
JP13 |
JP14 |
|
CX486SX |
Open |
1 & 2 |
Open |
2 & 3 |
1 & 2, 3 & 4 |
|
80486SX |
Closed |
Open |
Open |
2 & 3 |
Open |
|
SL80486SX |
Closed |
Open |
Open |
2 & 3 |
2 & 3, 4 & 5 |
|
SL80486SX2 |
Closed |
Open |
Open |
2 & 3 |
2 & 3, 4 & 5 |
|
CX486DX |
Open |
1 & 2 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
AM486DX |
Closed |
Open |
3 & 4 |
1 & 2, 3 & 4 |
Open |
|
UMCU5S |
Closed |
Open |
1 & 2 |
2 & 3 |
Open |
|
SL80486DX |
Closed |
Open |
3 & 4 |
1 & 2, 3 & 4 |
2 & 3, 4 & 5 |
|
CX486DX2 |
Open |
1 & 2 |
3 & 4 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
|
AM486DX2 |
Closed |
Open |
3 & 4 |
1 & 2, 3 & 4 |
Open |
|
SL80486DX2 |
Closed |
Open |
3 & 4 |
1 & 2, 3 & 4 |
2 & 3, 4 & 5 |
|
AM486DX4 |
Closed |
Open |
3 & 4 |
1 & 2, 3 & 4 |
Open |
|
80486DX4 |
Closed |
Open |
3 & 4 |
1 & 2, 3 & 4 |
2 & 3, 4 & 5 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE CONFIGURATION (CONT) | ||||||
|
Type |
JP16 |
JP17 |
JP19 |
JP20 |
JP21 |
JP24 |
|
CX486SX |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
|
80486SX |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
SL80486SX |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Open |
|
SL80486SX2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Open |
|
CX486DX |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
|
AM486DX |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
UMCU5S |
1 & 2 |
2 & 3 |
Open |
2 & 3 |
Open |
3 & 4 |
|
SL80486DX |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Open |
|
CX486DX2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
|
AM486DX2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
SL80486DX2 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Open |
|
AM486DX4 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
80486DX4 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Open |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP18 pins 1 & 2 |
JP18 pins 3 & 4 |
JP18 pins 5 & 6 |
|
25MHz |
Open |
Open |
Open |
|
33MHz |
Closed |
Closed |
Open |
|
40MHz |
Open |
Closed |
Open |
|
50iMHz |
Open |
Open |
Open |
|
50MHz |
Closed |
Open |
Open |
|
66iMHz |
Closed |
Closed |
Open |
|
75iMHz |
Open |
Open |
Open |
|
100iMHz |
Closed |
Closed |
Open |
|
CPU SPEED CONFIGURATION (80486DX4 ONLY) | |
|
Speed |
JP9 |
|
2x |
Closed |
|
3x |
Open |
|
KEYBOARD CONFIGURATION | ||||||
|
Setting |
JP1 |
JP4 |
JP5 |
JP6 |
JP27 |
JP28 |
|
Internal |
7 & 8, 9 & 10 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
|
External |
1 & 3, 2 & 4, 5 & 7, 6 & 8 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||||
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note: The location of pin 1 is unidentified. Jumpers are shown for location purposes only. The actual location may vary. |