EDOM INTERNATIONAL CORPORATION
486VL3H (MV045)
Processor CX486SX/AM486SX/UMC U5/80486SX/CX486DX/AM486DX/80486DX/
80486DX2/80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Hint
Max. 64MB
Onboard
DRAM
Cache 128/256/512/1024KB
BIOS Award
Dimensions 254mm x 220mm
I/O 32-bit VESA local bus slots (3)
Options
NPU None
Options
CONNECTIONS
Purpose Location Purpose Location
Power LED & keylock JP1 Turbo LED JP25
Speaker JP3 External battery JP31
Reset switch JP7 32-bit VESA local bus SL1 - SL3
slots
USER CONFIGURABLE SETTINGS
Function Jumper Position
» Factory configured - do not JP17 N/A
alter
» CMOS memory normal operation JP31 pins 1 & 2
closed
CMOS memory clear JP31 pins 2 & 3
closed
Battery type select external JP31 Closed
» CPU type select Intel/AMD JP44 pins 1 & 2
closed
CPU type select Cyrix JP44 pins 2 & 3
closed
» CPU type select all JP46 Open
CPU type select AMD486DX2 only JP46 Closed
DRAM CONFIGURATION
Size Bank 0 Bank 1 Bank 2
4MB (4) 1M x 9 NONE NONE
4MB NONE (1) 1M x 36 NONE
8MB (4) 1M x 9 (1) 1M x 36 NONE
8MB NONE (1) 2M x 36 NONE
8MB NONE (1) 1M x 36 (1) 1M x 36
12MB (4) 1M x 9 (1) 1M x 36 (1) 1M x 36
12MB NONE (1) 2M x 36 (1) 1M x 36
12MB NONE (1) 1M x 36 (1) 2M x 36
12MB (4) 1M x 9 NONE (1) 2M x 36
16MB (4) 4M x 9 NONE NONE
16MB (4) 1M x 9 (1) 1M x 36 (1) 2M x 36
16MB NONE (1) 4M x 36 NONE
16MB NONE (1) 2M x 36 (1) 2M x 36
20MB (4) 1M x 9 (1) 4M x 36 NONE
20MB NONE (1) 4M x 36 (1) 1M x 36
20MB NONE (1) 1M x 36 (1) 4M x 36
24MB (4) 1M x 9 (1) 1M x 36 (1) 4M x 36
24MB (4) 1M x 9 (1) 4M x 36 (1) 1M x 36
24MB (4) 4M x 9 NONE (1) 2M x 36
32MB (4) 4M x 9 (1) 4M x 36 NONE
32MB NONE (1) 8M x 36 NONE
36MB (4) 1M x 9 NONE (1) 8M x 36
36MB (4) 4M x 9 (1) 4M x 36 (1) 1M x 36
36MB (4) 4M x 9 (1) 1M x 36 (1) 4M x 36
36MB (4) 1M x 9 (1) 4M x 36 (1) 4M x 36
36MB NONE (1) 8M x 36 (1) 1M x 36
40MB (4) 1M x 9 (1) 4M x 36 (1) 4M x 36
48MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36
48MB NONE (1) 8M x 36 (1) 4M x 36
48MB (4) 4M x 9 NONE (1) 8M x 36
64MB NONE (1) 16M x 36 NONE
64MB (4) 16M x 9 NONE NONE
DRAM JUMPER CONFIGURATION
Type JP39
Bank 0 = 30 pin SIMM pins 2 & 3 closed
Bank 0 = 72 pin SIMM pins 1 & 2, 3 & 4 closed
CACHE CONFIGURATION
Size Bank 0 Bank 1 TAG
128KB (4) 32K x 8 NONE (1) 8K x 8
256KB (4) 32K x 8 (4) 32K x 8 (1) 8K x 8
256KB (4) 64K x 8 NONE (1) 8K 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) 32K x 8
CACHE JUMPER CONFIGURATION
Size JP28 JP30 JP34
128KB 2 & 3 1 & 2, 3 & 4, 5 Open
& 6
256KB 1 & 2 1 & 2, 3 & 4, 5 Open
& 6
256KB 1 & 2 2 & 3, 4 & 5, 6 Open
& 7
512KB 1 & 2 1 & 2, 3 & 4, 5 3 & 4
& 6
512KB 1 & 2 2 & 3, 4 & 5, 6 3 & 4
& 7
1MB 1 & 2 2 & 3, 4 & 5, 6 1 & 2, 3 & 4
& 7
Note: Pins designated should be in the closed position.
CPU TYPE CONFIGURATION
Type JP12 JP13 JP14 JP15 JP16
AMD 1 & 2 Open Open Open Open
UMC 1 & 2 Open Open Open Open
Cyrix 2 & 3 2 & 3 Open 2 & 3 2 & 3
Intel SX 1 & 2 1 & 2 Open 1 & 2 1 & 2
Intel DX 1 & 2 1 & 2 Open 1 & 2 1 & 2
Note: Pins designated should be in the closed position.
CPU TYPE CONFIGURATION (CON’T)
Type JP18 JP19 JP20 JP23
AMD pins1 & 2, 3 pins 4 & 5 pins 4 & 5 pins 4 & 5
& 4 closed closed closed closed
UMC pins1 & 2, 3 pins 4 & 5 pins 4 & 5 pins 4 & 5
& 4 closed closed closed closed
Cyrix pins1 & 2, 3 pins 2 & 3 pins 2 & 3 pins 2 & 3
& 4 closed closed closed closed
Intel SX pins 2 & 3 pins 1 & 2 pins 1 & 2 pins 1 & 2
closed closed closed closed
Intel DX pins1 & 2, 3 pins 1 & 2 pins 1 & 2 pins 1 & 2
& 4 closed closed closed closed
CPU TYPE CONFIGURATION
Type JP27A JP27B JP27C
Cyrix pins 1 & 2 pins 2 & 3 pins 1 & 2
closed closed closed
AMD pins 1 & 2 pins 1 & 2 pins 2 & 3
closed closed closed
Intel SL pins 2 & 3 pins 1 & 2 pins 1 & 2
closed closed closed
Intel pins 1 & 2 pins 1 & 2 pins 1 & 2
closed closed closed
Pentium Overdrive pins 2 & 3 pins 2 & 3 pins 1 & 2
closed closed closed
CPU SPEED CONFIGURATION (MX-8513)
Speed JP26A JP26B JP26C
25MHz pins 1 & 2 pins 2 & 3 pins 1 & 2
closed closed closed
33MHz pins 2 & 3 pins 2 & 3 pins 2 & 3
closed closed closed
40MHz pins 2 & 3 pins 2 & 3 pins 1 & 2
closed closed closed
50iMHz pins 1 & 2 pins 2 & 3 pins 1 & 2
closed closed closed
50MHz pins 1 & 2 pins 1 & 2 pins 2 & 3
closed closed closed
66iMHz pins 2 & 3 pins 2 & 3 pins 2 & 3
closed closed closed
75iMHz Open pins 2 & 3 Open
closed
100iMHz pins 2 & 3 pins 2 & 3 pins 2 & 3
closed closed closed
CPU SPEED CONFIGURATION (AV9107-03)
Speed JP26A JP26B JP26C
25MHz pins 2 & 3 pins 1 & 2 pins 2 & 3
closed closed closed
33MHz pins 2 & 3 pins 2 & 3 pins 1 & 2
closed closed closed
40MHz pins 1 & 2 pins 1 & 2 pins 2 & 3
closed closed closed
50iMHz pins 2 & 3 pins 1 & 2 pins 2 & 3
closed closed closed
50MHz pins 1 & 2 pins 2 & 3 pins 1 & 2
closed closed closed
66iMHz pins 2 & 3 pins 2 & 3 pins 1 & 2
closed closed closed
75iMHz pins 2 & 3 Open pins 2 & 3
closed closed
100iMHz pins 2 & 3 pins 2 & 3 Open
closed closed
CPU VOLTAGE CONFIGURATION
Voltage JP33
3v pins 1 & 2, 4 & 5 closed
5v pins 2 & 3, 5 & 6 closed
CPU VOLTAGE CONFIGURATION
Voltage JP45
3.3v pins 3 & 6 closed
3.45v pins 2 & 5 closed
4v pins 1 & 4 closed
VESA WAIT STATE CONFIGURATION
Wait states JP9
0 wait states Open
1 wait state Closed
BUS SPEED CONFIGURATION
CPU speed JP8
<= 33MHz Open
> 33MHz Closed