==View or Print jumper settings using Fixedsys or New Courier fonts==
MB-4DUPM/E ver2 Motherboard
- also known as: VIP486
- AWARD BIOS ID string 11/24/94-umc-881/886-2a4x5a31-00
- 4-72 pin SIMM slots (1-128meg FPM DRAM)
- 3-32bit PCI slots
- 2-32bit VESA slots
- 4-16bit ISA slots
- 128/256/512KB CACHE support in 8-32pin sockets + 1 TAG RAM socket
- AMI/AWARD Auto-Detect Flash Bios with Energy Mgmt.
- Supports LBA Mode Control + Large Disk DOS Compatibility.
- Green PC Connector
- UMC chipset
- Supports CPU voltages of: 3.45/3.6/5.0 volt
- ZIF CPU socket 3 which supports these processors:
INTEL 80486SX/DX/DX2/DX4,P24D,P24T
CYRIX CX486DX(M6)/DX2(M7)
AMD AM486DX/DX2/DX4
- Supports speeds of 20/25/33/40/50/66/75/80/100 MHz.
- PCI Bus master IDE interface for upto 4 IDE devices.
- Multi-I/O chip supports 2 - 16550 Fast UART serial ports
1 - parallel port with EPP + ECP, 1 - floppy disk interface.
- Manufactured by: Aquarius Systems Inc + VISION TECHNOLOGIES
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CONNECTIONS
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Purpose Location Purpose Location
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Serial port 1 CN1 Speaker CN10
Serial port 2 CN2 Power LED + keylock CN11
Game port CN3 External battery CN12
Parallel port CN4 Green PC connector JP31
Floppy drive interface CN5 Turbo switch JP32
IDE interface (primary) CN6 Reset switch JP33
IDE interface (secondary) CN7 32-bit PCI slots PCI1 - PCI4
Turbo LED CN8 32-bit VESA slots SL1 - SL2
IDE interface LED CN9
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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*Factory configured - do not alter JP12 N/A
*CMOS memory normal operation JP13 pins 1 + 2 closed
CMOS memory clear JP13 pins 3 + 4 closed
*Factory configured - do not alter JP18 N/A
*Factory configured - do not alter JP27 N/A
*Factory configured - do not alter JP46 N/A
*CPU type select all CPU's JP48 Open
CPU type select Cyrix M1 JP48 Closed
*Cache type select write through JP54 pins 1 + 2 closed
Cache type slect write back JP54 pins 2 + 3 closed
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DRAM CONFIGURATION
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Size Bank 0 Bank 1 Bank 2 Bank 3
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2MB (1) 512K 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) 512K x 36(1) 512K x 36 (1) 512K x 36(1) 512K x 36
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
32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36
32MB (1) 4M x 36 (1) 4M x 36 NONE NONE
32MB (1) 8M x 36 NONE NONE NONE
64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36
64MB (1) 8M x 36 (1) 8M x 36 NONE NONE
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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128KB (4) 32K x 8 NONE (1) 8K x 8
256KB (4) 32K x 8 (4) 32K x 8 (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 JP30 JP36 JP37
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128KB Open 1+2 2+3
256KB 1+2 2+3 1+2
512KB 1+2, 3+4 2+3 2+3
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CPU TYPE CONFIGURATION
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Type JP39 JP43 JP44 JP45
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CX486S 1+2 2+3 2+3 1+2
80486SX Open Open Open Open
SL80486SX Open 1+2 Open 1+2
80486SX2 Open Open Open Open
SL80486SX2 Open 1+2 Open 1+2
CX486DX 1+2 2+3 2+3 1+2
AM486DX Open Open Open Open
U5S Open Open Open 2+3
80486DX Open Open Open Open
SL80486DX Open 1+2 Open 1+2
AM486DX2 Open Open Open Open
CX486M1 1+2 1+2 2+3 1+2
SL80486DX2 Open Open Open Open
80486DX2 Open 1+2 Open 1+2
AM486DX4 Open Open Open Open
P24D Open 1+2 Open 1+2
P24T 2+3 1+2 1+2 1+2
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CPU TYPE CONFIGURATION (CON'T)
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Type JP49 JP50 JP51 JP52 JP53
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CX486S 1+2 Open 3+4 1+2, 3+4 1+2, 3+4
80486SX Open Open 1+2 Open 2+3
SL80486SX Open Open 3+4 2+3, 4+5 2+3
80486SX2 Open Open 1+2 Open 2+3
SL80486SX2 Open Open 3+4 2+3, 4+5 2+3
CX486DX 2+3 3+4 3+4 1+2, 3+4 1+2, 3+4
AMD486DX Open 3+4 1+2 Open 2+3
U5S 3+4 1+2, 3+4 1+2 Open 2+3
80486DX Open 3+4 1+2 Open 1+2, 3+4
SL80486DX Open 3+4 3+4 2+3, 4+5 1+2, 3+4
AMD486DX2 Open 3+4 1+2 Open 2+3
CX486M1 Open 3+4 3+4 2+3, 4+5 1+2, 3+4
SL80486DX2 Open 3+4 3+4 Open 1+2, 3+4
80486DX2 Open 3+4 1+2 2+3, 4+5 1+2, 3+4
AMD486DX4 Open 3+4 1+2 Open 2+3
P24D Open 3+4 3+4 2+3, 4+5 1+2, 3+4
P24T 2+3 2+3 3+4, 5+6 2+3, 4+5 1+2, 3+4
Note: Pins designated should be in closed position.
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CPU TYPE CONFIGURATION
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Type JP35
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AMD pins 2 + 4, 3 + 5 closed
UMC pins 2 + 4, 3 + 5 closed
Cyrix pins 1 + 3, 4 + 6 closed
Intel pins 1 + 3, 2 + 4 closed
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CPU TYPE CONFIGURATION (INTEL P24D ONLY)
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Type JP41 JP42 JP47
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All CPU types Open Open Open
P24D Closed Closed Closed
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CPU SPEED CONFIGURATION
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Speed JP15 JP16 JP17
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20MHz 2 + 3 2 + 3 2 + 3
25MHz 2 + 3 2 + 3 1 + 2
33MHz 1 + 2 1 + 2 1 + 2
40MHz 2 + 3 1 + 2 1 + 2
50iMHz 2 + 3 2 + 3 1 + 2
50MHz 1 + 2 2 + 3 2 + 3
66iMHz 1 + 2 1 + 2 1 + 2
75iMHz 2 + 3 2 + 3 1 + 2
100iMHz 1 + 2 1 + 2 1 + 2
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CPU SPEED CONFIGURATION (80486DX4 ONLY)
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Speed JP40
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2x pins 2 + 3 closed
2.5x pins 1 + 2 closed
3x Open
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CPU VOLTAGE CONFIGURATION
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Voltage JP34 JP38 JP55
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3.45v 1 + 2 1 + 2 1 + 2
3.6v 5 + 6 1 + 2 1 + 2
5v Open 2 + 3 2 + 3
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KEYBOARD CONFIGURATION
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Setting JP1 JP2 JP3
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External key control2 + 3 2 + 3 1+3,2+4,5+7,6+8
Internal key control1 + 2 1 + 2 7 + 9, 8 + 10
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KEYBOARD CONFIGURATION (CON'T)
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Setting JP9 JP10 JP11
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External key control 2 + 3 2 + 3 2 + 3
Internal key control 1 + 2 1 + 2 1 + 2
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VESA WAIT STATE CONFIGURATION
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Wait states JP28
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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 JP29
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<= 33MHz Open
> 33MHz Closed
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FLASH BIOS CONFIGURATION
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Voltage JP14
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Normal Open
5v pins 2 + 3 closed
12v pins 1 + 2 closed
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REAL TIME CLOCK CONFIGURATION
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Type JP26
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DS12887 Closed
146818 Open
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HDD CONFIGURATION
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Speed JP20 JP21
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Slow pins 1 + 2 closed pins 1 + 2 closed
0 pins 2 + 3 closed pins 2 + 3 closed
1 pins 1 + 2 closed pins 2 + 3 closed
2 pins 2 + 3 closed pins 1 + 2 closed
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DACK/DRQ CONFIGURATION
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DACK/DRQ JP7 JP8
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DACK1/DRQ1 pins 1 + 2 closed pins 1 + 2 closed
DACK3/DRQ3 pins 2 + 3 closed pins 2 + 3 closed
=====================END OF DATA ON MB-4DUPM/E VIP486=====================
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