==View or Print jumper settings using Fixedsys or New Courier fonts==
VS486G-3VL Motherboard
- BIOS ID string 40-2800-006259-00111111-121593-SYM WAG-H
- 4-72 pin SIMM slots (1-128meg FPM DRAM)
- 3-32bit VESA Local Bus slots
- 8-16bit ISA slots
- 64k-1024k CACHE support in 8-32pin sockets + 2 TAG RAM socket
- AMI / Phoenix 1993 BIOS
- Symphony SL82C491 + SL82C492 Chipset
- DALLAS realtime clock
- ZIF 3 CPU socket which supports these processors:
INTEL 80486SX/DX/DX2, P24C,P24D,P24T
CYRIX CXM6,CXM7
AMD AM486SX/DX
- Supports speeds of 25/33/40/50/66 MHz.
- manufactured by: Young Micro Systems Inc.
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CONNECTIONS
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Purpose Location Purpose Location
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Power LED + keylock CN1 Turbo LED CN5
Speaker CN2 Green PC connector JP15
Turbo switch CN3 32-bit VESA slots SL1-SL3
Reset switch CN4
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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Factory configured - do not alter J27 N/A
Factory configured - do not alter J28 N/A
Factory configured - do not alter J29 N/A
Factory configured - do not alter J30 N/A
Factory configured - do not alter J31 N/A
Factory configured - do not alter J32 N/A
Factory configured - do not alter J33 N/A
Factory configured - do not alter J34 N/A
Factory configured - do not alter JP3 N/A
Factory configured - do not alter JP9 N/A
Parity check enabled JP16 1 + 2 closed
Parity check disabled JP16 2 + 3 closed
Monitor type select color JP17 Closed
Monitor type select monochrome JP17 Open
BIOS type select normal JP18 1 + 2 closed
BIOS type select flash JP18 2 + 3 closed
Factory configured - do not alter JP19 N/A
Factory configured - do not alter JP22 N/A
Factory configured - do not alter JP28 N/A
Factory configured - do not alter JP29 N/A
Factory configured - do not alter JP30 N/A
Factory configured - do not alter JP31 N/A
The location of jumpers JP9,JP28,JP29,JP30+JP31 are unidentified.
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DRAM CONFIGURATION
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Size Bank 0 Bank 1 Bank 2 Bank 3
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1MB (1) 256K x 36 NONE NONE NONE
4MB (1) 512K x 36 (1) 512K x 36 NONE NONE
4MB (1) 1M x 36 NONE NONE NONE
8MB (1) 1M x 36 (1) 1M x 36 NONE NONE
8MB (1) 2M x 36 NONE NONE NONE
16MB (1) 4M x 36 NONE NONE NONE
16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36
32MB (1) 4M x 36 (1) 4M x 36 NONE NONE
32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36
64MB (1) 8M x 36 (1) 8M x 36 NONE NONE
64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36
96MB (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36
128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36
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CACHE CONFIGURATION
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Size Bank 0 Bank 1 TAG
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64KB (4) 8K x 8 (4) 8K x 8 (2) 8K x 8
128KB (4) 32K x 8 NONE (2) 8K x 8
256KB (4) 32K x 8 (4) 32K x 8 (2) 32K x 8
512KB (4) 128K x 8 NONE (2) 32K x 8
1MB (4) 128K x 8 (4) 128K x 8 (2) 128K x 8
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CACHE JUMPER CONFIGURATION
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size JDl JD2 JT1 JT2 JT3
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64KB 2 + 3 2 + 3 1 + 2 1 + 2 1 + 2
128KB 1 + 2 1 + 2 2 + 3 1 + 2 1 + 2
256KB 2 + 3 2 + 3 2 + 3 2 + 3 1 + 2
512KB 1 + 2 1 + 2 2 + 3 2 + 3 2 + 3
1MB 2 + 3 2 + 3 2 + 3 2 + 3 2 + 3
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CPU TYPE CONFIGURATION
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Type JP1 JP2 JP4 JP5 JP6
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CXM6 1x Open Open Open 2 + 3 Closed
CXM6 2x Open Open Open 2 + 3 Closed
AM486SX(WT) Open Closed Open 2 + 3 Closed
AM486SX(WB) Closed Closed Open 2 + 3 Closed
SL80486 Open Closed Open 1 + 2 Closed
80486SX Open Open Open 2 + 3 Closed
AM486DX(WT) Open Closed Open 2 + 3 Closed
AM486DX(WB) Closed Closed Closed 2 + 3 Closed
CXM7 1x Open Open Open 1 + 2 Closed
CXM7 2x Open Open Open 1 + 2 Closed
80486DX Open Open Open 1 + 2 Closed
80486DX2 Open Open Open 1 + 2 Closed
P24C 2x Open Closed Open 1 + 2 Closed
P24C 3x Open Closed Open 1 + 2 Closed
P24D (WT) Open Closed Open 1 + 2 Closed
P24D (WB) Closed Closed Closed 1 + 2 Closed
P24T 2x (WT) Open Closed Open 1 + 2 Open
P24T 2x (WB) Closed Closed Closed 1 + 2 Open
P24T 3x (WT) Open Closed Open 1 + 2 Open
P24T 3x (WB) Closed Closed Closed 1 + 2 Open
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CPU TYPE CONFIGURATION (CON'T)
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Type JP7 JP8 JP10 JP11 JP12
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CXM6 lx 1 + 2 Closed Open Open Open
CXM6 2x 1 + 2 Closed Open Open Closed
AM486SX (WT) Open Open Open Open Open
AM486SX(WB) Open Open Open Open Open
SL80486 Open Open Open 1 + 2 Open
80486SX Open Open Open Open Open
AM486DX(WT) Open Open Open 1 + 2 Open
AM486DX(WB) Open Open Open 1 + 2 Open
CXM7 1x 1 + 2 Closed Open 1 + 2 Open
CXM7 2x 1 + 2 Closed Open 1 + 2 Closed
80486DX Open Open Open 1 + 2 Open
80486DX2 Open Open Open 1 + 2 Open
P24C 2x Open Open 1 + 2 2 + 3 Open
P24C 3x Open Open Open 2 + 3 Open
P24D (WT) 2 + 3 Open Open 1 + 2 Open
P24D (WB) 2 + 3 Open Open 1 + 2 Open
P24T 2x (WT) Open Open 1 + 2 2 + 3 Open
P24T 2x (WB) Open Open 1 + 2 2 + 3 Open
P24T 3x (WT) Open Open Open 2 + 3 Open
P24T 3x (WB) Open Open Open 2 + 3 Open
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CPU TYPE CONFIGURATION (CON'T)
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Type JP13 JP23 JP24 JP41 JP42
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CXM6 1x Closed Closed Closed Open Open
CXM6 2x Closed Closed Closed Open Open
AM486SX(WT) Open Open Open 2 + 3 2 + 3
AM486SX(WB) Open Open Open 2 + 3 2 + 3
SL80486 Open Open Open Open Open
80486SX Open Closed Closed Open Open
AM486DX(WT) Open Open Open 2 + 3 2 + 3
AM486DX(WB) Open Open Open 2 + 3 2 + 3
CXM7 1x Closed Closed Closed Open Open
CXM7 2x Closed Closed Closed Open Open
80486DX Open Closed Closed Open Open
80486DX2 Open Closed Closed Open Open
P24C 2x Open Open Open Open Open
P24C 3x Open Open Open Open Open
P24D (WT) Open Open Open 1 + 2 1 + 2
P24D(WB) Open Open Open 1 + 2 1 + 2
P24T 2x (WT) Open Open Open Open Open
P24T 2x (WB) Open Open Open Open Open
P24T 3x (WT) Open Open Open Open Open
P24T 3x (WB) Open Open Open Open Open
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CPU TYPE CONFIGURATION (CON'T)
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Type RN1 RN2
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CXM6 1x Open Open
CXM6 2x Open Open
AM486SX(WT) Open 1+2,3+4,5+6,7+8
AM486SX(WB) Open 1+2,3+4,5+6,7+8
SL80486 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
80486SX Open Open
AM486DX(WT) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
AM486DX(WB) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
CXM7 1x 1+2,3+4,5+6,7+8 Open
CXM7 2x 1+2,3+4,5+6,7+8 Open
80486DX 1+2,3+4,5+6,7+8 Open
80486DX2 1+2,3+4,5+6,7+8 Open
P24C 2x 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
P24C 3x 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
P24D(WT) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
P24D (WB) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
P24T 2x (WT) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
P24T 2x (WB) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
P24T 3x (WT) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
F24T 3x (WB) 1+2,3+4,5+6,7+8 1+2,3+4,5+6,7+8
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CPU SPEED CONFIGURATION
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Speed JP25 JP26 JP27
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25MHz Closed Open Closed
33MHZ Open Open Closed
40MHz Closed Closed Open
50iMHz Closed Open Closed
50MHz Open Closed Open
66iMHz Open Open Closed
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CPU VOLTAGE CONFIGURATION
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voltage CN6
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3.3v Open
5v 1 + 2, 3 + 4, 5 + 6 closed
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VESA WAIT STATE CONFIGURATION
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Wait states JP20
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0 wait states pins 1 + 2 closed
1 wait state pins 2 + 3 closed
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BUS SPEED CONFIGURATION
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CPU speed JP21
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<= 33MHz pins 1 + 2 closed
> 33MHz pins 2 + 3 closed
=====================END OF DATA ON VEGA VS486G-3VL========================
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