SY-5TA2, SY-5TA5 Motherboard Settings and Configuration

SOYO COMPUTER CO., LTD.

SY-5TA2, SY-5TA5

Device Type
Mainboard
Processor
Pentium
Processor Speed
75/90/100/120/133/150MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
Unidentified
Dimensions
254mm x 218mm
I/O Options
32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), VRM connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 1
CN1
Speaker
J18
Serial port 2
CN2
Reset switch
J19
Floppy drive interface
CN3
Turbo LED
J22
Parallel port
CN4
Green PC connector
JP15
IDE interface 2
CN5
IDE interface LED
JP16
IDE interface 1
CN6
32-bit PCI slots
PC1 – PC4
Power LED & keylock
J17
VRM connector
VRM

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Factory configured - do not alter
J3
Unidentified
»
Monitor type select EGA/VGA
JP3
Closed

Monitor type select monochrome
JP3
Open
»
Factory configured - do not alter
JP4
Unidentified
»
Factory configured - do not alter
JP5
Unidentified
»
Factory configured - do not alter
JP13
Closed
»
Factory configured - do not alter
JP14
Pins 1 & 2 closed
»
Factory configured - do not alter
JP21
Unidentified
»
Factory configured - do not alter
JP22
Open
»
Factory configured - do not alter
JP23
Unidentified
»
Factory configured - do not alter
JP24
Unidentified
»
Factory configured - do not alter
JP25
Closed
»
Factory configured - do not alter
JP26
Closed
»
Pipeline address enabled
JP30
Closed

Pipeline address disabled
JP30
Open
»
Cache type select write back
JP31
Open

Cache type select write through
JP31
Closed
»
CMOS memory normal operation
JP32
Open

CMOS memory clear
JP32
Closed

SIMM CONFIGURATION
Size
Bank 0
Bank 1
2MB
(2) 256K x 36
None
4MB
(2) 512K x 36
None
4MB
(2) 256K x 36
(2) 256K x 36
6MB
(2) 512K x 36
(2) 256K x 36

SIMM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
8MB
(2) 1M x 36
None
8MB
(2) 512K x 36
(2) 512K x 36
10MB
(2) 1M x 36
(2) 256K x 36
12MB
(2) 512K x 36
(2) 1M x 36
16MB
(2) 2M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
18MB
(2) 2M x 36
(2) 256K x 36
20MB
(2) 512K x 36
(2) 2M 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
34MB
(2) 4M x 36
(2) 256K x 36
36MB
(2) 512K x 36
(2) 4M x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 2M x 36
(2) 4M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
68MB
(2) 8M x 36
(2) 512K x 36
72MB
(2) 1M x 36
(2) 8M x 36
80MB
(2) 8M x 36
(2) 2M x 36
96MB
(2) 4M x 36
(2) 8M x 36
128MB
(2) 8M x 36
(2) 8M x 36
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Size
Bank 0
TAG
256KB
(8) 32K x 8
(1) 8K/16K x 8
512KB
(8) 64K x 8
(1) 16K x 8

CACHE JUMPER CONFIGURATION
Size
JP12
JP27
JP28
256KB
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
512KB
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION
Voltage
JP1
JP2
3.3v
Open
Pins 1 & 2, 3 & 4, 5 & 6 closed
Mixed
Pins 1 & 2, 3 & 4, 5 & 6 closed
Open

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
JP17
JP18
JP19
JP29
JP38
75MHz
50MHz
1.5x
1 & 2
Open
Open
Open
Open
90MHz
60MHz
1.5x
2 & 3
Closed
Open
Open
Open
100MHz
66MHz
1.5x
2 & 3
Closed
Closed
Open
Open
120MHz
60MHz
2x
2 & 3
Closed
Open
Closed
Open
133MHz
66MHz
2x
2 & 3
Closed
Closed
Closed
Open
150MHz
60MHz
2.5x
2 & 3
Closed
Open
Closed
Closed
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type
J23
J24
J25
»
STD
Open
Open
Closed

VRE
Open
Closed
Open

DMA/PIO CHANNEL SELECTION
Setting
JP10
JP11
»
PIO mode
Pins 2 & 3 closed
Pins 2 & 3 closed

DMA mode
Pins 1 & 2 closed
Pins 1 & 2 closed

PCI IRQ10 SELECTION
Setting
JP6
JP7
JP8
JP9
INT A
Open
Open
Open
Pins 1 & 2 closed
INT B
Open
Open
Open
Pins 2 & 3 closed
INT C
Pins 1 & 2 closed
Open
Open
Open
INT D
Pins 2 & 3 closed
Open
Open
Open

PCI IRQ11 SELECTION
Setting
JP6
JP7
JP8
JP9
INT A
Open
Open
Pins 1 & 2 closed
Open
INT B
Open
Open
Pins 2 & 3 closed
Open
INT C
Open
Pins 1 & 2 closed
Open
Open
INT D
Open
Pins 2 & 3 closed
Open
Open

FLASH BIOS SELECTION
Setting
JP33
JP34
»
EPROM
Pins 1 & 2 closed
Pins 2 & 3 closed

Flash
Pins 2 & 3 closed
Pins 1 & 2 closed

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Device Type	Mainboard
Processor	Pentium
Processor Speed	75/90/100/120/133/150MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Unidentified
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), VRM connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Speaker	J18
Serial port 2	CN2	Reset switch	J19
Floppy drive interface	CN3	Turbo LED	J22
Parallel port	CN4	Green PC connector	JP15
IDE interface 2	CN5	IDE interface LED	JP16
IDE interface 1	CN6	32-bit PCI slots	PC1 – PC4
Power LED & keylock	J17	VRM connector	VRM

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J3	Unidentified
»	Monitor type select EGA/VGA	JP3	Closed
	Monitor type select monochrome	JP3	Open
»	Factory configured - do not alter	JP4	Unidentified
»	Factory configured - do not alter	JP5	Unidentified
»	Factory configured - do not alter	JP13	Closed
»	Factory configured - do not alter	JP14	Pins 1 & 2 closed
»	Factory configured - do not alter	JP21	Unidentified
»	Factory configured - do not alter	JP22	Open
»	Factory configured - do not alter	JP23	Unidentified
»	Factory configured - do not alter	JP24	Unidentified
»	Factory configured - do not alter	JP25	Closed
»	Factory configured - do not alter	JP26	Closed
»	Pipeline address enabled	JP30	Closed
	Pipeline address disabled	JP30	Open
»	Cache type select write back	JP31	Open
	Cache type select write through	JP31	Closed
»	CMOS memory normal operation	JP32	Open
	CMOS memory clear	JP32	Closed

SIMM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 256K x 36	None
4MB	(2) 512K x 36	None
4MB	(2) 256K x 36	(2) 256K x 36
6MB	(2) 512K x 36	(2) 256K x 36

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
8MB	(2) 512K x 36	(2) 512K x 36
10MB	(2) 1M x 36	(2) 256K x 36
12MB	(2) 512K x 36	(2) 1M x 36
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
18MB	(2) 2M x 36	(2) 256K x 36
20MB	(2) 512K x 36	(2) 2M 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
34MB	(2) 4M x 36	(2) 256K x 36
36MB	(2) 512K x 36	(2) 4M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
68MB	(2) 8M x 36	(2) 512K x 36
72MB	(2) 1M x 36	(2) 8M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 4M x 36	(2) 8M x 36
128MB	(2) 8M x 36	(2) 8M x 36
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(8) 32K x 8	(1) 8K/16K x 8
512KB	(8) 64K x 8	(1) 16K x 8

CACHE JUMPER CONFIGURATION
Size	JP12	JP27	JP28
256KB	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION
Voltage	JP1	JP2
3.3v	Open	Pins 1 & 2, 3 & 4, 5 & 6 closed
Mixed	Pins 1 & 2, 3 & 4, 5 & 6 closed	Open

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP17	JP18	JP19	JP29	JP38
75MHz	50MHz	1.5x	1 & 2	Open	Open	Open	Open
90MHz	60MHz	1.5x	2 & 3	Closed	Open	Open	Open
100MHz	66MHz	1.5x	2 & 3	Closed	Closed	Open	Open
120MHz	60MHz	2x	2 & 3	Closed	Open	Closed	Open
133MHz	66MHz	2x	2 & 3	Closed	Closed	Closed	Open
150MHz	60MHz	2.5x	2 & 3	Closed	Open	Closed	Closed
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type		J23	J24	J25
»	STD	Open	Open	Closed
	VRE	Open	Closed	Open

DMA/PIO CHANNEL SELECTION
Setting		JP10	JP11
»	PIO mode	Pins 2 & 3 closed	Pins 2 & 3 closed
	DMA mode	Pins 1 & 2 closed	Pins 1 & 2 closed

PCI IRQ10 SELECTION
Setting	JP6	JP7	JP8	JP9
INT A	Open	Open	Open	Pins 1 & 2 closed
INT B	Open	Open	Open	Pins 2 & 3 closed
INT C	Pins 1 & 2 closed	Open	Open	Open
INT D	Pins 2 & 3 closed	Open	Open	Open

PCI IRQ11 SELECTION
Setting	JP6	JP7	JP8	JP9
INT A	Open	Open	Pins 1 & 2 closed	Open
INT B	Open	Open	Pins 2 & 3 closed	Open
INT C	Open	Pins 1 & 2 closed	Open	Open
INT D	Open	Pins 2 & 3 closed	Open	Open

FLASH BIOS SELECTION
Setting		JP33	JP34
»	EPROM	Pins 1 & 2 closed	Pins 2 & 3 closed
	Flash	Pins 2 & 3 closed	Pins 1 & 2 closed