==View or Print jumper settings using Fixedsys or New Courier fonts==
VEGA VS486F-3VL Motherboard
- AMIBIOS ID string 40-0700-006259-00101111-111192-SYMP-F
- 8-30 pin SIMM slots (1-32meg FPM DRAM)
- 3-32bit VESA Local Bus slots
- 8-16bit ISA slots
- 64k-1024k CACHE support in 8-32pin sockets + 1 TAG RAM socket
- AMI BIOS American Megatrends 486DX
- Symphony Chipset (MB-SYP243LV-V12)
- ZIF 3 CPU socket which supports these processors:
INTEL 80486SX/DX/DX2, ODP586SX
- Supports speeds of 25/33/40/50/66 MHz.
- manufactured by: ????????????? unknown
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CONNECTIONS
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Purpose Location Purpose Location
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External battery J1 Turbo LED JP23
Power LED + keylock JP20 Turbo switch JP24
Speaker JP21 32-bit VL bus slots S1,S2 + S3
Reset switch JP22
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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CMOS memory normal operation J2 1 + 2
CMOS memory clear J2 3 + 4
BIOS type select regular (27C512) JP2 1 + 2
BIOS type select flash (28F001BX) JP2 2 + 3
Battery select internal JP3 Closed
Battery select external JP3 Open
Factory configured - do not alter JP12 Closed
Factory configured - do not alter JP15 Open
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DRAM CONFIGURATION
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Size Bank 0 Bank 1
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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
17MB (4) 256K x 9 (4) 4M 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
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SRAM JUMPER CONFIGURATION
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Size JP8 JP9 JP19 JP25 JP26
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64KB 1 + 2 1 + 2 1 + 2 1 + 2 1 + 2
256KB 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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SRAM CONFIGURATION
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Size Max Cachable Cache TAG
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64KB 8MB (8) 8K x 8 (1) 8K x 8
256KB 32MB (8) 32K x 8 (1) 32K x 8
1MB 64MB (8) 128K x 8 (1) 128K x 8
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CPU TYPE CONFIGURATION
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CPU JP7 JP10 JP17
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80486SX Open 2 + 3 Open
All others Closed 1 + 2 Closed
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CPU SPEED CONFIGURATION
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Speed JA1 JP4 JP5 JP6 JP11
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25/50iMHz 2+3 2+3 Open Closed 2+3
33/66iMHz 2+3 2+3 Closed Open 2+3
50MHz 1+2 1+2 Open Closed 1+2
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Speed JP13 JP14 JP16 JP18
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25/50iMHz Open Closed Open Open
33/66iMHz Open Closed Open Open
50MHz Closed Open Closed Closed
===================END OF DATA ON VEGA VS486F-3VL=======================
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