==View or Print jumper settings using Fixedsys or New Courier fonts==
SI54A Pentium Motherboard
- BIOS ID string ????? <--- please send yours in
- 4-72 pin SIMM slots (2-128MEG FPM/EDO)
- 4-32bit PCI Bus slots
- 4-16bit ISA slots
- 256k-1024k CACHE support in 8-32pin sockets + 2 TAG RAM socket
- Award/AMI 95 Auto-Detect Flash Bios with Energy Mgmt.
- Supports LBA Mode Control + Large Disk DOS Compatibility.
- Green PC Connector
- SIS chipset
- 320pin Pentium ZIF Socket 5 which supports these processors:
INTEL Pentium P75/90/100 MHz (non-MMX)
- 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.
- Manufacturered by: RELIALOGIC CORPORATION PRIVATE, LTD.
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CONNECTIONS
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Purpose Location Purpose Location
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Parallel port J4 Reset switch J11
Serial port 1 J5 Speaker J12
Serial port 2 J6 Power LED + keylock J13
Floppy drive interface J7 Turbo LED LED1
IDE interface (secondary) J8 IDE interface LED LED2
IDE interface (primary) J9 32-bit PCI slots PCI - PC4
Turbo switch J10
Note: The location of LED1 is unidentified.
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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.On board I/O enabled JP3 pins 1 + 2 closed
On board I/O disabled JP3 pins 2 + 3 closed
.IDE interface enabled JP4 Open
IDE interface disabled JP4 Closed
.Parity check enabled JP5 Closed
Parity check disabled JP5 Open
.Factory configured - do not alter JP9 N/A
.Cache invalidation select always invalidatedJP13 pins 1 + 2 closed
Cache invalidation writes to invalidated JP13 pins 2 + 3 closed
.Cache write select write back JP14 pins 1 + 2 closed
Cache write select write through JP14 pins 2 + 3 closed
.Factory configured - do not alter JP15 N/A
.Factory configured - do not alter JP16 N/A
.Factory configured - do not alter JP17 N/A
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DRAM CONFIGURATION
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Size Bank 0 Bank 1
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2MB (2) 256K x 36 NONE
4MB (2) 256K x 36 (2) 256K x 36
4MB (2) 512K x 36 NONE
8MB (2) 512K x 36 (2) 512K x 36
8MB (2) 1M x 36 NONE
16MB (2) 1M x 36 (2) 1M x 36
16MB (2) 2M x 36 NONE
32MB (2) 2M x 36 (2) 2M x 36
36MB (2) 512K x 36 (2) 4M x 36
40MB (2) 1M x 36 (2) 4M x 36
48MB (2) 2M x 36 (2) 4M x 36
64MB (2) 4M x 36 (2) 4M x 36
64MB (2) 8M x 36 NONE
128MB (2) 8M x 36 (2) 8M x 36
128MB (2) 16M x 36 NONE
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DRAM JUMPER CONFIGURATION
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Type JP7
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Single side SIMMs only pins 2 + 3 closed
Bank 0 = single side SIMMs + Bank 1 = double side SIMMs
pins 1 + 2, 3 + 4 closed
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CACHE CONFIGURATION
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Size Bank 0 Bank 1 TAG
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256KB (4) 32K x 8 (4) 32K x 8 (2) 32K x 8
512KB (4) 64K x 8 (4) 64K x 8 (2) 32K x 8
1MB (4) 128K x 8 (4) 128K x 8 (2) 32K x 8
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CACHE JUMPER CONFIGURATION
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Size JP11 JP12
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256KB Open Open
512KB Closed Closed
1MB Closed Closed
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CPU SPEED CONFIGURATION
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Speed JP8
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75MHz pins 2 + 3, 5 + 6, 7 + 8 closed
90MHz pins 2 + 3, 4 + 5, 8 + 9 closed
100MHz pins 1 + 2, 5 + 6, 7 + 8 closed
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BIOS CONFIGURATION
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Type JP6
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EPROM pins 1 + 2 closed
Flash 5v pins 1 + 2 closed
Flash 12v pins 2 + 3 closed
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DACK/DRQ CONFIGURATION
------------------------------------------------------------------------------- DACK/DRQ CONFIGURATION
DACK/DRQ JP1 JP2
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DACK1/DRQ1 pins 1 + 2 closed pins 2 + 3 closed
DACK3/DRQ3 pins 2 + 3 closed pins 1 + 2 closed
===========================END OF DATA ON SI54A Pentium========================
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