==View or Print jumper settings using Fixedsys or New Courier fonts==
MICRO-STAR MS-4138 / 486SI5 VESA Motherboard
- BIOS ID string 40-PA02-001169-00101111-072594-SIS471G-U
- 4-72 pin SIMM slots (1-64meg FPM DRAM)
- 3-32bit VESA Local Bus slots
- 7-16bit ISA slots
- 64k-256k CACHE support in 8-28pin sockets + 1 TAG RAM socket
- AMI 1994 Bios
- SiS 85C471 Chipset
- Supports SL80487SX/DX,80486SX/DX/DX2,AM486DXL,CXM7,Pentium OD
- Supports speeds of 25/33/40/50/66MHz
- Manufactured by: MICRO-STAR INTERNATIONAL CO., LTD.
- Website http://www.msi.com.tw
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CONNECTIONS
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Purpose Location Purpose Location
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External battery JB Reset switch JFP 19-20
Power LED+keylock JFP 1-5 Green PC connect(monitor) JG1
Speaker JFP 6-10 Green PC LED JG2
Turbo LED JFP 12-13 Green PC connector JG3
Turbo switch JFP 15-17 32-bit VESA slots SL1 - SL3
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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Battery type select internal JB pins 2 + 3 closed
Battery type select external JB Closed
Factory configured - do not alter JC5 N/A
Monitor type select monochrome JP1 Open
Monitor type select color JP1 Closed
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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) 256Kx36 NONE NONE NONE
2MB (1) 256Kx36 (1) 256Kx36 NONE NONE
2MB (1) 512Kx36 NONE NONE NONE
4MB (1) 256Kx36 (1) 256Kx36 (1) 512Kx36 NONE
4MB (1) 512Kx36 (1) 512Kx36 NONE NONE
4MB (1) 1Mx36 NONE NONE NONE
5MB (1) 256Kx36 (1) 1Mx36 NONE NONE
6MB (1) 256Kx36 (1) 256Kx36 (1) 1Mx36 NONE
6MB (1) 512Kx36 (1) 1Mx36 NONE NONE
8MB (1) 256Kx36 (1) 256Kx36 (1) 512Kx36 (1) 1Mx36
8MB (1) 512Kx36 (1) 512Kx36 (1) 1Mx36 NONE
8MB (1) 1Mx36 (1) 1Mx36 NONE NONE
8MB (1) 2Mx36 NONE NONE NONE
10MB (1) 256Kx36 (1) 256Kx36 (1) 1Mx36 (1) 1Mx36
12MB (1) 512Kx36 (1) 512Kx36 (1) 1Mx36 (1) 1Mx36
12MB (1) IMx36 (1) 1Mx36 (1) 1Mx36 NONE
12MB (1) IMx36 (1) 2Mx36 NONE NONE
16MB (1) 1Mx36 (1) 1Mx36 (1) 1Mx36 (1) 1Mx36
16MB (1) IMx36 (1) 1Mx36 (1) 2Mx36 NONE
16MB (1) 2Mx36 (1) 2Mx36 NONE NONE
16MB (1) 4Mx36 NONE NONE NONE
17MB (1) 256Kx36 (1) 4Mx36 NONE NONE
18MB (1) 256Kx36 (1) 256Kx36 (1) 4Mx36 NONE
18MB (1) 512Kx36 (1) 4Mx36 NONE NONE
20MB (1) 512Kx36 (1) 512Kx36 (1) 4Mx36 NONE
20MB (1) 1Mx36 (1) 4Mx36 NONE NONE
20MB (1) 1Mx36 (1) 2Mx36 (1) 2Mx36 NONE
24MB (1) 512Kx36 (1) 512Kx36 (1) 1Mx36 (1) 4Mx36
24MB (1) 1Mx36 (1) 1Mx36 (1) 4Mx36 NONE
24MB (1) 1Mx36 (1) 1Mx36 (1) 2Mx36 (1) 2Mx36
24MB (1) 2Mx36 (1) 4Mx36 NONE NONE
24MB (1) 2Mx36 (1) 2Mx36 (1) 2Mx36 NONE
28MB (1) 1Mx36 (1) 2Mx36 (1) 2Mx36 (1) 2Mx36
32MB (1) 2Mx36 (1) 2Mx36 (1) 4Mx36 NONE
32MB (1) 2Mx36 (1) 2Mx36 (1) 2Mx36 (1) 2Mx36
32MB (1) 4Mx36 (1) 4Mx36 NONE NONE
32MB (1) 8Mx36 NONE NONE NONE
36MB (1) 512Kx36 (1) 512Kx36 (1) 4Mx36 (1) 4Mx36
36MB (1) 1Mx36 (1) 4Mx36 (1) 4Mx36 NONE
40MB (1) 2Mx36 (1) 2Mx36 (1) 2Mx36 (1) 4Mx36
40MB (1) 1Mx36 (1) 1Mx36 (1) 4Mx36 (1) 4Mx36
48MB (1) 2Mx36 (1) 2Mx36 (1) 4Mx36 (1) 4Mx36
48MB (1) 4Mx36 (1) 4Mx36 (1) 4Mx36 NONE
48MB (1) 4Mx36 (1) 8Mx36 NONE NONE
64MB (1) 4Mx36 (1) 4Mx36 (1) 4Mx36 (1) 4Mx36
64MB (1) 4Mx36 (1) 4Mx36 (1) 8Mx36 NONE
68MB (1) 1Mx36 (1) 8Mx36 (1) 8Mx36 NONE
72MB (1) 1Mx36 (1) 1Mx36 (1) 8Mx36 (1) 8Mx36
80MB (1) 2Mx36 (1) 2Mx36 (1) 8Mx36 (1) 8Mx36
80MB (1) 4Mx36 (1) 8Mx36 (1) 8Mx36 NONE
96MB (1) 4Mx36 (1) 4Mx36 (1) 8Mx36 (1) 8Mx36
96MB (1) 8Mx36 (1) 8Mx36 (1) 8Mx36 NONE
128MB (1) 8Mx36 (1) 8Mx36 (1) 8Mx36 (1) 8Mx36
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CACHE CONFIGURATION
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Size Bank 0 Bank 1 TAG
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128KB (4) 32K x 8 NONE (1)8K or (1)16K or (1)32K x 8
256KB (4) 32K x 8 (4) 32K x 8 (1)16K or (1)32K x 8
256KB (4) 64K x 8 NONE (1)16K or (1)32K x 8
512KB (4) 128K x 8 NONE (1)32K x 8
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CACHE JUMPER CONFIGURATION
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Size JS1 JS2 JS3
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128KB pins 1 + 2 pins 1 + 2 pins 1 + 2
256KB pins 2 + 3 pins 2 + 3 pins 1 + 2
256KB pins 2 + 3 pins 1 + 2 pins 1 + 2
512KB pins 2 + 3 pins 1 + 2 pins 2 + 3
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CPU TYPE CONFIGURATION
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Type JC1 JC2
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SL80486SX 2+3,7+8,9+10,12+13 10+11
80486SX 7+8 10+11
AM486DXL 7+8,11+12 5+6,7+8,9+10,11+12
CXM7 1+2,3+12,4+11,5+10,7+8 4+13,7+8,9+10,11+12
SL80486DX 2+3,7+8,9+10,12+13 7+8,9+10,11+12
80486DX 7+8 7+8,9+10,11+12
80486DX2 7+8 7+8,9+10,11+12
Pentium Overdrive 2+3,7+8,9+10,12+13 6+7,9+10,11+12
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CPU TYPE CONFIGURATION (CON'T)
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Type JC3 JC4
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SL80486SX pins 1 + 2 pins 1 + 2
80486SX Open pins 1 + 2
AM486DXL pins 2 + 3 pins 3 + 4
CXM7 pins 1 + 2 pins 3 + 4
SL80486DX pins 1 + 2 pins 1 + 2
80486DX pins 1 + 2 pins 1 + 2
80486DX2 pins 1 + 2 pins 1 + 2
Pentium Overdrive pins 1 + 2 pins 1 + 2
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CPU SPEED CONFIGURATION
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Speed JK1 JK2
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25MHz Open pins 2 + 3
33MHz pins 2 + 5, 3 + 4 pins 2 + 3
4OMHz pins 3 + 4 pins 2 + 3
50iMHz Open pins 2 + 3
5OMHz pins 1 + 6, 2 + 5 pins 1 + 2
66iMHz pins 2 + 5, 3 + 4 pins 2 + 3
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VESA WAIT STATE CONFIGURATION
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Wait states JP2
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0 wait states Open
1 wait state Closed
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BUS SPEED CONFIGURATION
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CPU SPEED JP3
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<= 33MHz Open
> 33MHz Closed
===========================END OF MS-4138 DATA============================
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