VS486G-3VL Motherboard User Manual - 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.
==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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