EDOM INTERNATIONAL CORPORATION
3486VL2M (MV008)
Processor AMD386DX/AMD386DXL/80386DX/80486SX/80487SX/80486DX/80486DX2/
Pentium Overdrive
Processor 25/33/40(internal)/50(internal)/50/66(internal)/80(internal)MHz
Speed
Chip Set OPTI
Max. 32MB
Onboard
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 254mm x 218mm
I/O 32-bit VESA local bus slots (2)
Options
NPU 80387DX/CX487DLC
Options
CONNECTIONS
Purpose Location Purpose Location
External battery J1 Turbo LED JP23
Power LED & keylock J19 32-bit VESA Local SL1 & SL2
bus slots
Speaker J20 Reset switch SW1
Turbo switch JP22
USER CONFIGURABLE SETTINGS
Function Jumper Position
» CMOS memory normal operation JP1 pins 2 & 3
closed
CMOS memory clear JP1 pins 1 & 2
closed
» I/O bus speed select ATCLK2I/5 JP3 Open
(80386 only)
I/O bus speed select ATCLK2I/4 JP3 Closed
(80386 only)
» Monitor type select monochrome JP4 Open
Monitor type select color JP4 Closed
DRAM CONFIGURATION
Size Bank 0 Bank 1
1MB (4) 256K x 9 NONE
2MB (4) 256K x 9 (4) 256K x 9
4MB (4) 1M x 9 NONE
5MB (4) 256K x 9 (4) 1M x 9
8MB (4) 1M x 9 (4) 1M x 9
16MB (4) 4M x 9 NONE
20MB (4) 1M x 9 (4) 4M x 9
32MB (4) 4M x 9 (4) 4M x 9
CACHE CONFIGURATION
Size Bank 0 Bank 1 TAG (U39) TAG (U40)
64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 NONE
128KB (4) 32K x 8 NONE (1) 8K x 8 NONE
256KB (4) 32K x 8 (4) 32K x 8 (1) 8K x 8 (1) 8K x 8
Note: The relative position of U39 & U40 is unidentified.
CACHE JUMPER CONFIGURATION
Size JP7 JP8 JP9 JP10
64KB Open Open Open pins 2 & 3
closed
128KB Open Closed Closed pins 1 & 2
closed
256KB Closed Closed Closed pins 2 & 3
closed
CPU TYPE CONFIGURATION
Type JP11 JP13 JP15
80486SX Open Open pins 2 & 3
closed
80487SX pins 1 & 2 Closed pins 1 & 2
closed closed
80486DX pins 2 & 3 Closed pins 1 & 2
closed closed
CPU TYPECONFIGURATION
Type JP5 JP6
80386 pins 2 & 3 closed Open
80486 pins 1 & 2 closed Closed
CPU TYPE CONFIGURATION (80386)
Type JP17 JP21
Cyrix Closed Closed
Intel/AMD Open Open
CPU SPEED CONFIGURATION
Speed JP18 JP19
25MHz Closed Open
33MHz Open Closed
40MHz Open Open
50iMHz Closed Open
66iMHz Open Closed
80iMHz Open Open
CPU CLOCK CONFIGURATION
Type JP24 JP25
80386 double frequency pins 1 & 2 closed pins 2 & 3 closed
80486 single frequency pins 1 & 2 closed pins 1 & 2 closed
80486 double frequency pins 2 & 3 closed pins 2 & 3 closed
VESA CPU TYPE CONFIGURATION
CPU Type JP16 (ID1) JP20 (ID0)
80386 Closed Open
80486 Open Closed
VESA BUS SPEED CONFIGURATION
Speed JP12 (ID3)
< = 33MHz Open
> 33MHz Closed
VESA WAIT STATE CONFIGURATION
Wait states JP14 (ID2)
0 wait states Open
1 wait state Closed
VESA PAL CONFIGURATION
PAL JP26 JP27 JP28 JP29
Enabled Open Open Open Open
Disabled Closed Closed Closed Closed
Note: PAL disabled - slave mode function only. PAL enabled -
master/slave mode.
VESA BUS SPEED MASTER/SLAVE CONFIGURATION
Speed JP30
33MHz pins 1 & 2 closed
50MHz pins 2 & 3 closed