==View or Print jumper settings using Fixedsys or New Courier fonts==
US 3486 VESA Motherboard
- also known as US3486P03 IVN 1.0 dated 26 April 1993
- AMIBIOS ID string 40-0000-428003-00101111-111192-UMC491F
- 8-30 pin SIMM slots (1-32meg FPM DRAM)
- 1-32bit MCA Local Bus slots
- 6-16bit ISA slots
- 64-256k cache support in 8-28pin sockets + 1 TAG RAM sockets
- AMI/Award Bios
- C + T / OPTi Chipset
- Supports 80386DX,80487SX/80486SX/DX/DX2 at 25/33/40/50/66MHz
- Manufactured by: QDI
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CONNECTIONS
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Purpose Location Purpose Location
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Speaker J6 Turbo LED J11
External battery J7 Reset switch J12
Power LED + keylock J8 32-bit MCA slot S1
Turbo switch J10
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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Monitor type color J3 1 + 2 closed
Monitor type monochrome J3 2 + 3 closed
NPU enabled JP2 Closed
NPU disabled JP2 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
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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CACHE CONFIGURATION
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Size Max Cachable Bank 0 Bank 1 TAG
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64KB 16MB (4) 8Kx8 (4) 8Kx8 (1) 8Kx8
128KB 32MB (4) 32Kx8 NONE (1) 8Kx8
256KB 64MB (4) 32Kx8 (4) 32Kx8 (1) 32Kx8
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CACHE JUMPER CONFIGURATION
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Size W2 W3 W4 W5 W6 W7 W8 W9
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64KB Open Open Open Open 1+2 Open 1+2 1+2
128KB Open Open Short Short 2+3 1+2 2+3 1+2
256KB Short Short Short Short 1+2 2+3 2+3 2+3
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CPU TYPE CONFIGURATION
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Type JP1 W12 W13
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80386DX 1 + 2 N/A N/A
80486SX 2 + 3 2 + 3 closed Open
80487SX 2 + 3 1 + 2, 3 + 4 2 + 3
80486DX 2 + 3 1 + 2, 3 + 4 1 + 2
ODP486SX 2 + 3 1 + 2, 3 + 4 2 + 3
80486DX2 2 + 3 1 + 2, 3 + 4 1 + 2
======================END OF DATA FOR US 3486==========================
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