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RARE VINTAGE ECS P5SJ-X SOCKET 7 PENTIUM MMX CYRIX AMD LPX MOTHERBOARD MBMX5. . Motherboard Only. Manual, Cables, Drivers NOT included. Fully Tested. OEM Surplus.
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US-RM1-MBMX5-0000
SPECS:
PROCESSORS
Pentium,Pentium with MMX,Cyrix/IBM 6x86,AMD K5/K6
CHIPSET
SiS 5582
MEMORY
Four SIMMs
Maximum: 256MB
SYSTEM BIOS
Award BIOS
I/O INTERFACE
One EPP/ECP mode parallel port
Two 16550 high speed serial I/O ports
Dual PCI IDE ports up to 4 HDDs(PIO mode 4, Bus master DMA)
Supports 360K~2.88M Byte or 3 Mode FDDs
PS/2 keyboard and PS/2 mouse connector
ATX power supply connector(PC/AT power as option)
Other ports:
5x2 Headers for two USB channels ready
IrDA TX/RX Headers
Green indicator LED Connector
ELITEGROUP COMPUTER SYSTEMS, INC.
P5SJ-A
Processor
CX M1/AM K5/AM K6/Pentium
Processor Speed
Chip Set
SIS 5582
Video Chip Set
Unidentified
Maximum Onboard Memory
256MB (EDO supported)
Maximum Video Memory
Unidentified
Cache
256KB
BIOS
Award
Dimensions
305mm x 244mm
I/O Options
32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA interface, IR connector, USB connector, ATX power connector
NPU Options
None
CONNECTIONS
Purpose
Location
Purpose
Location
ATX power connector
ATX
Serial port 1
CN4
Power LED
C1/pins 1 & 3
IDE interface 2
CN5
ACPI switch
C1/pins 4 & 5
IDE interface 1
CN6
ACPI LED
C1/pins 6 - 8
Floppy drive interface
CN7
Reset switch
C1/pins 9 & 10
IR connector
IR1
Keylock
C1/pins 11 & 12
Chassis fan power
J1
Speaker
C1/pins 13 - 16
VGA interface
J6
IDE interface LED
C1/pins 17 & 18
Wake up connector
J8
Serial port 2
CN1
32-bit PCI slots
PC1 – PC4
Parallel port
CN2
USB connector
USB
PS/2 mouse port
CN3
USER CONFIGURABLE SETTINGS
Function
Label
Position
»
CMOS memory normal operation
JP16
Pins 1 & 2 closed
CMOS memory clear
JP16
Pins 2 & 3 closed
»
Power supply select AT
JP17
Pins 2 & 3 closed
Power supply select ATX
JP17
Pins 1 & 2 closed
»
Flash BIOS boot block enabled
JP20
Pins 1 & 2 closed
Flash BIOS boot block disabled
JP20
Pins 2 & 3 closed
DRAM CONFIGURATION
Size
Bank 0
Bank 1
2MB
(2) 512K x 36
None
4MB
(2) 512K x 36
(2) 512K x 36
8MB
(2) 1M x 36
None
16MB
(2) 2M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
24MB
(2) 2M x 36
(2) 1M x 36
32MB
(2) 4M x 36
None
32MB
(2) 2M x 36
(2) 2M x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 4M x 36
(2) 2M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
72MB
(2) 8M x 36
(2) 1M x 36
80MB
(2) 8M x 36
(2) 2M x 36
96MB
(2) 8M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
128MB
(2) 16M x 36
None
136MB
(2) 16M x 36
(2) 1M x 36
144MB
(2) 16M x 36
(2) 2M x 36
160MB
(2) 16M x 36
(2) 4M x 36
192MB
(2) 16M x 36
(2) 8M x 36
256MB
(2) 16M x 36
(2) 16M x 36
256MB
(2) 32M x 36
None
Note: Board accepts EDO memory.
CACHE CONFIGURATION
Note: The location of the cache is unidentified.
CPU SPEED SELECTION (CYRIX)
CPU speed
Clock speed
Multiplier
BF0
BF1
JP12
JP13
JP14
JP15
90MHz
60MHz
2x
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
2 & 3
100MHz
50MHz
2x
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2
2 & 3
120MHz
55MHz
2x
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2
1 & 2
133MHz
60MHz
2x
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
2 & 3
150MHz
66MHz
2x
2 & 3
1 & 2
1 & 2
2 & 3
1 & 2
2 & 3
166MHz
66MHz
2x
2 & 3
1 & 2
1 & 2
2 & 3
1 & 2
2 & 3
200MHz
75MHz
3x
1 & 2
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (AMD)
CPU speed
Clock speed
Multiplier
BF0
BF1
JP12
JP13
JP14
JP15
75MHz
50MHz
1.5x
1 & 2
1 & 2
2 & 3
2 & 3
1 & 2
2 & 3
90MHz
60MHz
1.5x
1 & 2
1 & 2
2 & 3
1 & 2
1 & 2
2 & 3
100MHz
66MHz
1.5x
1 & 2
1 & 2
1 & 2
2 & 3
1 & 2
2 & 3
120MHz
60MHz
2x
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
2 & 3
133MHz
66MHz
2x
2 & 3
1 & 2
1 & 2
2 & 3
1 & 2
2 & 3
150MHz
60MHz
2.5x
2 & 3
2 & 3
2 & 3
1 & 2
1 & 2
2 & 3
166MHz
66MHz
2.5x
2 & 3
2 & 3
1 & 2
2 & 3
1 & 2
2 & 3
Note: Pins designated should be in the closed position.
CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
BF0
BF1
JP12
JP13
JP14
JP15
75MHz
50MHz
1.5x
1 & 2
1 & 2
2 & 3
2 & 3
1 & 2
2 & 3
90MHz
60MHz
1.5x
1 & 2
1 & 2
2 & 3
1 & 2
1 & 2
2 & 3
100MHz
66MHz
1.5x
1 & 2
1 & 2
1 & 2
2 & 3
1 & 2
2 & 3
120MHz
60MHz
2x
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
2 & 3
133MHz
66MHz
2x
2 & 3
1 & 2
1 & 2
2 & 3
1 & 2
2 & 3
150MHz
60MHz
2.5x
2 & 3
2 & 3
2 & 3
1 & 2
1 & 2
2 & 3
166MHz
66MHz
2.5x
2 & 3
2 & 3
1 & 2
2 & 3
1 & 2
2 & 3
180MHz
60MHz
3x
1 & 2
2 & 3
2 & 3
1 & 2
1 & 2
2 & 3
200MHz
66MHz
3x
1 & 2
2 & 3
1 & 2
2 & 3
1 & 2
2 & 3
Note: Pins designated should be in the closed position.
CPU VOLTAGE SELECTION (SINGLE)
Voltage
JP6
JP22
3.3v
Pins 1 & 2 closed
Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed
3.52v
Pins 3 & 4 closed
Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed
CPU VOLTAGE SELECTION (DUAL)
Voltage
V core
JP6
JP22
3.3v
2.54v
1 & 2
3 & 4, 7 & 8
3.3v
2.84v
1 & 2
1 & 2
3.3v
2.94v
1 & 2
1 & 2, 7 & 8
3.3v
3.24v
1 & 2
1 & 2, 3 & 4
3.3v
3.34v
1 & 2
3 & 4, 5 & 6
3.52v
2.54v
3 & 4
3 & 4, 7 & 8
3.52v
2.84v
3 & 4
1 & 2.
3.52v
2.94v
3 & 4
1 & 2, 7 & 8
3.52v
3.24v
3 & 4
1 & 2, 3 & 4
3.52v
3.34v
3 & 4
3 & 4, 5 & 6
Note: Pins designated should be in the closed position.
ON BOARD VIDEO SELECTION
Setting
JP23
JP24
JP25
Enabled
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
Disabled
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed