==View or Print jumper settings using Fixedsys or New Courier fonts==
2VLG-A486B (A486GCI) Motherboard
- BIOS ID string ???????????? (please send yours in)
- AMIBIOS ID String 40-0127-001425-00101111-080893-ALI1429G-H
- 2-72 pin SIMM slots (1-80meg FPM DRAM)
- 4-30 pin SIMM slots
- 2-32bit VESA Local Bus slots
- 6-16bit ISA slots
- 1-8bit ISA clot
- 32k-256k CACHE support in 8-32pin sockets + 1 TAG RAM socket
- AMI BIOS 1993 American Megatrends 486DX ISA AB 3014159
- Green PC Connector
- ALI M1429G A1 9406 Chipset
- ZIF 237pin CPU socket which supports these processors:
INTEL 80486SX/DX/DX2,P24T, SL80486SX/DX/DX2
CYRIX CX486S(M6),CX486DX/DX2(M7)
AMD AM486DX/DXL
- 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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Modem ring interface JG8 Speaker JP17
Green PC connector JG9 Turbo switch JP18
Green PC (monitor) JGll 5 + 6 Turbo LED JP19
Green PC (fan) JGll 7 + 8 Reset switch JP20
External battery JP1 32-bit VL bus slots SLl + SL2
Power LED + keylock JP16
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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CX487S not installed J2 2 + 3
CX487S installed J2 1 + 2
Monitor type select monochrome JP6 1 + 2
Monitor type select color JP6 2 + 3
CMOS memory normal operation JP33 Open
CMOS memory clear JP33 Closed
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DRAM CONFIGURATION
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Size Bank 0/1 Bank 0/1 Bank 1
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1MB (4) 256K x 9 NONE NONE
1MB NONE (1) 256K x 36 NONE
2MB (4) 256K x 9 (1) 256K x 36 NONE
2MB NONE (1) 256K x 36 (1) 256K x 36
4MB (4) 1M x 9 NONE NONE
4MB NONE (1) 1M x 36 NONE
5MB (4) 256K x 9 NONE (1) 1M x 36
5MB NONE (1) 1M x 36 (1) 256K x 36
8MB (4) 1M x 9 (1) 1M x 36 NONE
8MB NONE (1) 1M x 36 (1) 1M x 36
16MB (4) 4M x 9 NONE NONE
16MB NONE (1) 4M x 36 NONE
32MB (4) 4M x 9 (1) 4M x 36 NONE
32MB NONE (1) 4M x 36 (1) 4M x 36
64MB (4) 16M x 9 NONE NONE
80MB (4) 16M x 9 (1) 4M x 36 NONE
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DRAM JUMPER CONFIGURATION
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size JP39 JP40 JP41 JP42
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Bank 0 = 30-pin 2 + 3 2 + 3 1 + 2 1 + 2
Bank 1 = 72-pin 2 + 3 2 + 3 1 + 2 1 + 2
Bank 0 = Bank 0/1 72-pin 1 + 2 1 + 2 2 + 3 2 + 3
Bank 1 = 30-pin or Bank 1 72 pin 1 + 2 1 + 2 2 + 3 2 + 3
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CACHE CONFIGURATION
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Size Bank 0 Bank 1 TAG
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32KB (4) 8K x 8 NONE (1) 8K x 8
64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8
128KB (4) 32K x 8 NONE (1) 8K x 8
256KB (4) 32K x 8 (4) 32K x 8 (1) 16K x 8
256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8
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CACHE JUMPER CONFIGURATION
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Size JG19 JG2O JP11 JP12 JP13 JP31
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32KB 1 + 2 Closed Open 2 + 3 2 + 3 Open
64KB I + 2 Closed Open I + 2 1 + 2 Closed
128KB 1 + 2 Closed 1+2,3+4 2 + 3 1 + 2 Closed
256KB 2 + 3 Open 1+2,3+4,5+6 1 + 2 1 + 2 Closed
256KB 1 + 2 Closed 1+2,3+4,5+6 1 + 2 1 + 2 Closed
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CPU TYPE CONFIGURATION
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Type JG1 JG2 JG3 JG4 JG5
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CX486M6 lx Closed Open 1 + 2 2 + 4 2 + 4
CX486M6 2x Closed Open 1 + 2 2 + 4 2 + 4
80486SX Open Open Open Open Open
SL80486SX Open Closed 2 + 3 1 + 2 1 + 2
80487SX Open Open Open Open Open
CX486M7 lx Closed Open 1 + 2 2 + 4 2 + 4
CX486M7 2x Closed Open I + 2 2 + 4 2 + 4
AM486DXL Open Open Open 2 + 3 2 + 3
80486DX Open Open Open Open Open
SL80486DX Open Closed 2 + 3 1 + 2 1 + 2
80486DX2 Open Open Open Open Open
SL80486DX2 Open Closed 2 + 3 1 + 2 1 + 2
P24T Open Open Open 2 + 3 2 + 3
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CPU TYPE CONFIGURATION (CON'T)
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Type JG6 JP8 JP9 JP10 JP21 JP22
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CX486M6 1x Open Closed Open Closed 3 + 4 Open
CX486M6 2x Closed Closed Open Closed 3 + 4 Open
80486SX Open Closed Closed Open 3 + 4 Closed
SL80486SX Open Closed Closed Open 3 + 4 Closed
80487SX Open Closed Closed Open I + 2 Closed
CX486M7 lx Open Closed Open Open 2 + 3 Closed
CX486M7 2x Closed Closed Open Open 2 + 3 Closed
AM486DXL Open Closed Closed Open 2 + 3 Closed
80486DX Open Closed Closed Open 2 + 3 Closed
SL80486DX Open Closed Closed Open 2 + 3 Closed
80486DX2 Open Closed Closed Open 2 + 3 Closed
SL80486DX2 Open Closed Closed Open 2 + 3 Closed
P24T Open Open Closed Open 1 + 2 Closed
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CPU TYPE CONFIGURATION (CON'T)
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Type JP23 JP24 JP26 JP27 JP30
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CX486M6 lx Open 1 + 2 1 + 2 1 + 2 Closed
CX486M6 2x Open 1 + 2 1 + 2 1 + 2 Closed
80486SX Closed 1 + 2 1 + 2 1 + 2 Open
SL80486SX Closed 1 + 2 2 + 3 1 + 2 Open
80487SX Closed 2 + 3 1 + 2 1 + 2 Open
CX486M7 lx Closed 2 + 3 2 + 3 1 + 2 Closed
CX486M7 2x Closed 2 + 3 2 + 3 1 + 2 Closed
AM486DXL Closed 2 + 3 1 + 2 1 + 2 Closed
80486DX Closed 2 + 3 1 + 2 1 + 2 Open
SL80486DX Closed 2 + 3 2 + 3 1 + 2 Open
80486DX2 Closed 2 + 3 1 + 2 1 + 2 Open
SL80486DX2 Closed 2 + 3 2 + 3 1 + 2 Open
P24T Closed 2 + 3 1 + 2 1 + 2 Closed
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CPU SMI CONFIGURATION
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Type JG12
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Cyrix pins 5 + 6 closed
Texas Instruments pins 1 + 2, 5 + 6 closed
AMD pins 3 + 4 closed
Intel S-series pins 1 + 2 closed
Intel Open
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CPU SPEED CONFIGURATION
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Speed JGl3 JP7 JP15 JP32
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25MHz 1 + 2, 5 + 6 1 + 2 2 + 3 2 + 3
33MHz 1 + 2, 3 + 4 1 + 2 2 + 3 2 + 3
4OMH 3 + 4, 5 + 6 2 + 3 1 + 2 1 + 2
5OiMHz 1 + 2, 5 + 6 1 + 2 2 + 3 2 + 3
5OMHz 1 + 2, 5 + 6 2 + 3 1 + 2 1 + 2
66iMHz 1 + 2, 3 + 4 1 + 2 2 + 3 2 + 3
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BUS SPEED CONFIGURATION
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CPU Speed JP28 JP29
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<= 33MHz pins 1 + 2 closed pins 1 + 2 closed
> 33MHz pins 2 + 3 closed pins 2 + 3 closed
======================END OF DATA FOR 2VLG-A486B==========================
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