Thread: 4386-VC-HD ISA Motherboard User Manual

BIOS ID string X0-0100-001121-00101111-12101992-VEUNS-F

- 8-30 pin SIMM slots (1-128meg FPM DRAM)
- 6-16bit ISA slots
- 64-256k cache support in 8-28pin sockets + 2 TAG RAM sockets
- AMI/Award Bios
- VIA VT82C495/VT82C480 Chipset
- DALLAS Real Time Clock

note: - there are NO resistor networks on this model
- Supports Intel 80487SX/80486SX/80486DX/DX2 or
Intel 80386DX,AMD80386DX at 25/33/40/50/66MHz
- Manufactured by: FIC




==View or Print jumper settings using Fixedsys or New Courier fonts==

4386-VC-HD 486 ISA Motherboard

- BIOS ID string ??????????????? (please send yours in)
- 8-30 pin SIMM slots (1-128meg FPM DRAM)
- 6-16bit ISA slots
- 64-256k cache support in 8-28pin sockets + 2 TAG RAM sockets
- AMI/Award Bios
NOTE: - not resistor network jumpers on this model
- VIA VT82C480 Chipset
- DALLAS Real Time Clock
- Supports Intel 80487SX/80486SX/80486DX/DX2 or
Intel 80386DX,AMD80386DX at 25/33/40/50/66MHz
- Manufactured by: FIC
------------------------------------------------------------------------
Purpose Location Purpose Location
------------------------------------------------------------------------
Speaker J8 Turbo LED J5
Power LED + keylock J9 Turbo switch J6
Reset switch J7

------------------------------------------------------------------------
USER CONFIGURABLE SETTINGS
------------------------------------------------------------------------
Function Jumper Position
------------------------------------------------------------------------
* CMOS memory normal operation J1 Open
CMOS memory clear J1 Closed
* Monitor type select monochrome/EGA/VGA J2 Open
Monitor type select color J2 Closed
* NPU synchronous with CPU J40 1 + 2
NPU asynchronous with CPU J40 2 + 3
* denotes defaults
------------------------------------------------------------------------
DRAM CONFIGURATION
------------------------------------------------------------------------
Size Bank 0 Bank 1
------------------------------------------------------------------------
1MB (4) 256K x 9 NONE
2MB (4) 256K x 9 (4) 256K x 9
5MB (4) 256K x 9 (4) 1M x 9
17MB (4) 256K x 9 (4) 4M x 9
65MB (4) 256K x 9 (4) 16M x 9
4MB (4) 1M x 9 NONE
5MB (4) 1M x 9 (4) 256K x 9
8MB (4) 1M x 9 (4) 1M x 9
20MB (4) 1M x 9 (4) 4M x 9
68MB (4) 1M x 9 (4) 16M x 9
16MB (4) 4M x 9 NONE
17MB (4) 4M x 9 (4) 256K x 9
20MB (4) 4M x 9 (4) 1M x 9
32MB (4) 4M x 9 (4) 4M x 9
80MB (4) 4M x 9 (4) 16M x 9
64MB (4) 16M x 9 NONE
65MB (4) 16M x 9 (4) 256K x 9
68MB (4) 16M x 9 (4) 1M x 9
80MB (4) 16M x 9 (4) 4M x 9
128MB (4) 16M x 9 (4) 16M x 9

------------------------------------------------------------------------
CACHE CONFIGURATION
------------------------------------------------------------------------
Size Bank 0 Bank 1 M10 TAG
------------------------------------------------------------------------
64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 (1) 8K x 8
128KB (4) 32K x 8 NONE (1) 8K x 8 (1) 8K x 8
256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 (1) 32K x 8
Note: MIO is optional and does not have to be installed.

------------------------------------------------------------------------
CACHE JUMPER CONFIGURATION
------------------------------------------------------------------------
Size JS1 JS2 JS3 JS4
------------------------------------------------------------------------
64KB 1 + 2 closed 1 + 2 closed 1 + 2 closed 1 + 2 closed
128KB 1 + 2 closed 2 + 3 closed 2 + 3 closed 2 + 3 closed
256KB 2 + 3 closed 2 + 3 closed 1 + 2 closed 1 + 2 closed

------------------------------------------------------------------------
CPU SPEED/TYPE CONFIGURATION
------------------------------------------------------------------------
Type JC1 JC2 JC3
------------------------------------------------------------------------
80386DX-33 1 + 2 closed 1 + 2 closed 1 + 2 closed
80386DX-40 1 + 2 closed 1 + 2 closed 1 + 2 closed
80486SX-20 2 + 3 closed 2 + 3 closed Open
80486SX-25 2 + 3 closed 2 + 3 closed Open
80486SX-33 2 + 3 closed 2 + 3 closed Open
80487SX-20 1 + 2 closed 1 + 2 closed 2 + 3 closed
80487SX-25 1 + 2 closed 1 + 2 closed 2 + 3 closed
80486DX-20 1 + 2 closed 1 + 2 closed 1 + 2 closed
80486DX-25 1 + 2 closed 1 + 2 closed 1 + 2 closed
80486DX-33 1 + 2 closed 1 + 2 closed 1 + 2 closed
80486DX-50 1 + 2 closed 1 + 2 closed 1 + 2 closed
80486DX2-50 1 + 2 closed 1 + 2 closed 1 + 2 closed
80486DX2-66 1 + 2 closed 1 + 2 closed 1 + 2 closed
------------------------------------------------------------------------
CPU SPEED/TYPE CONFIGURATION (CON'T)
------------------------------------------------------------------------
Type JK1 JK2 JK3 JK4
------------------------------------------------------------------------
80386DX-33 1 + 2 1 + 2 1 + 2 2 + 3
80386DX-40 1 + 2 1 + 2 1 + 2 2 + 3
80486SX-20 1 + 2 1 + 2 2 + 3 1 + 2
80486SX-25 1 + 2 1 + 2 2 + 3 1 + 2
80486SX-33 2 + 3 2 + 3 2 + 3 1 + 2
80487SX-20 1 + 2 1 + 2 2 + 3 1 + 2
80487SX-25 1 + 2 1 + 2 2 + 3 1 + 2
80486DX-20 1 + 2 1 + 2 2 + 3 1 + 2
80486DX-25 1 + 2 1 + 2 2 + 3 1 + 2
80486DX-33 2 + 3 2 + 3 2 + 3 1 + 2
80486DX-50 2 + 3 2 + 3 2 + 3 1 + 2
80486DX2-50 1 + 2 1 + 2 2 + 3 1 + 2
80486DX2-66 2 + 3 2 + 3 2 + 3 1 + 2


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