Biostar M5ATC User manual
Chapter 1 System Board
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JP4 Assignment
1
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Normal Operation
1
3Closed
Clear CMOS Data
1
3 Open
Onboard Battery Disabled
Chapter 1 System Board
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Chapter 1 System Board
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3.5V 3.5V 1-2 closed
3-4 closed
5-6 closed
7-8 closed
open
Dual Voltage 2.1V 3.3V
1-2 closed
3-4 open open
JP15
12
Chapter 1 System Board
5-6 open
7-8 open
2.2V 3.3V
1-2 open
3-4 closed
5-6 open
7-8 open
open
2.8V 3.3V
1-2 open
3-4 open
5-6 open
7-8 closed
open
K6 2.9V 3.3V
1-2 closed
3-4 open
5-6 open
7-8 closed
open
3.2V 3.3V
1-2 open
3-4 open
5-6 closed
7-8 closed
open
3.3V 3.3V
1-2 closed
3-4 open
5-6 closed
7-8 closed
open
2.2V 3.45V
1-2 open
3-4 closed
5-6 open
7-8 open
closed
** The voltage listed above is for reference. Please verify actual voltage before jumper
setting.
Chapter 1 System Board
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CPU Bus Clock & JP9 JP9 JP9 JP6 JP6 JP6
S
p
eed Multi
p
lier
(
1-2
)
(
3-4
)
(
5-6
)
(
1-2
)
(
3-4
)
(
5-6
)
60MHz x 1.5 closed open open open open open
66MHz x 1.5 open open open open open open
60MHz x 2 closed open open closed open open
66MHz x 2 open open open closed open open
60MHz x 2.5 closed open open closed closed open
66MHz x 2.5 open open open closed closed open
66MHz x 3 open open open open closed open
66MHz x 3.5 open open open open open open
* JP9(1-2)closed & JP9(3-4)open & JP9(5-6)open :Bus
Clock = 60MHz
* JP9(1-2)open & JP9(3-4)open & JP9(5-6)open :Bus
Clock = 66MHz
* JP9(1-2)open & JP9(3-4)closed & JP9(5-6)closed :Bus
Clock = 75MHz
* JP9(1-2)closed & JP9(3-4)open & JP9(5-6)closed :Bus
Clock = 83MHz
* JP6(1-2) closed & JP6(3-4) open & JP6(5-6) open :
Multiplier = 2
* JP6(1-2) closed & JP6(3-4) closed & JP6(5-6) open :
Chapter 1 System Board
Multiplier = 2.5
* JP6(1-2) open & JP6(3-4) closed & JP6(5-6) open :
Multiplier = 3
* JP6(1-2) open & JP6(3-4) open & JP6(5-6)open : Multiplier
= 3.5
* JP6(1-2)closed& JP6(3-4)open & JP6(5-6)closed : Multiplier
= 4
(')51561#1561%
CPU Bus Clock & JP9 JP9 JP9 JP6 JP6 JP6
Speed Multiplier (1-2) (3-4) (5-6) (1-2) (3-4) (5-6)
60MHz x 2 closed open open closed Open open
66MHz x 2 open open open closed Open open
75MHz x 2 open closed closed closed Open open
()51561
CPU Bus Clock & JP9 JP9 JP9 JP6 JP6 JP6
Speed Multiplier (1-2) (3-4) (5-6) (1-2) (3-4) (5-6)
60MHz x 2 closed open open closed open open
66MHz x 2 open open open closed open open
75MHz x 2 open closed closed closed open open
60MHz x 2.5 closed open open closed closed open
66MHz x 2.5 open open open closed closed open
83MHz x 2 closed open closed closed open open
60MHz x 3 closed open open open closed open
75MHz x 2.5 open closed closed closed closed open
66MHz x 3 open open open open closed open
83MHz x 2.5 closed open closed closed closed open
Chapter 1 System Board
66MHz x 3.5 open open open open open open
75MHz x 3 open closed closed open closed open
75MHz x 3.5 open closed closed open open open
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CPU
Speed JP9
(1-2) JP9
(3-4) JP9
(5-6) JP6
(1-2) JP6
(3-4) JP6
(5-6)
closed open open open open open
open open open open open open
closed open open closed open open
open open open closed open open
open open open closed closed open
open open open open closed open
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CPU
Speed Bus Clock
& Multiplier JP9
(1-2) JP9
(3-4) JP9
(5-6) JP6
(1-2) JP6
(3-4) JP6
(5-6)
66MHz x 2.5 open open open closed closed open
66MHZ x 3 open open open open closed open
66MHz x 3.5 open open open open open open
66MHz x 4 open open open closed open closed
66MHz x 4.5 open open open closed closed closed
(&)"9
CPU
Speed Bus clock &
Multiplier JP9
(1-2) JP9
(3-4) JP9
(5-6) JP6
(1-2) JP6
(3-4) JP6
(5-6)
60MHz x 3 closed open open open closed open
66MHz x 3 open open open open closed open
Chapter 1 System Board
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Pin Assignment Function Pin Assignment Function
No. No.
1Speaker 14 +5V VCC
2NC Speaker 15 Ground Ground
3Ground Connector 16 No Connection NC
4+5V 17 Green Control Green
5Power LED(+) 18 Ground Switch
6No Connection Power LED 19 No Connection NC
7Ground & 20 HDD LED(-) HDD
8Key lock Keylock 21 HDD LED(+) LED
9Ground 22 +5V
10 Power Switch ATX Power 23 No Connection IrDA
11 Standby Voltage Button 24 IRRX Connector
12 Reset Control Reset 25 Ground
13 Ground 26 IRTX
Chapter 1 System Board
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1 5
Pin No. Assignment
Mouse Data
No Connection
Ground
+5V
Mouse Clock
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B5 B1
USB
A1 A5
Pin No. Assignment Pin No. Assignment
+5V No Connection
Port 1 Negative Data Ground
Port 1 Positive Data Port 2 Positive Data
Ground Port 2 Negative Data
No Connection +5V
Chapter 1 System Board
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Pin No. Assignment
Ground
+12 V
Chapter 1 System Board
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Pin No. Assignment
+5 VSB
Ground
MP-Wakeup
=*::92?
Pin No. Assignment
Wakeup Signal
GND
Chapter 1 System Board
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Total Bank 2 Bank 3
Memory Size (MB) SIM1-SIM2 SIM3-SIM4
8M 4M x 2 pcs ----
16M 8M x 2 pcs ----
32M 16M x 2pcs ----
64M 32M x 2pcs ----
16M 4M x 2pcs 4M x 2 pcs
24M 8M x 2pcs 4M x 2 pcs
40M 16M x 2 pcs 4M x 2 pcs
72M 32M x 2 pcs 4M x 2 pcs
24M 4M x 2 pcs 8M x 2 pcs
32M 8M x 2 pcs 8M x 2 pcs
48M 16M x 2 pcs 8M x 2 pcs
80M 32M x 2 pcs 8M x 2 pcs
40M 4M x 2 pcs 16M x 2 pcs
48M 8M x 2 pcs 16M x 2 pcs
64M 16M x 2 pcs 16M x 2 pcs
96M 32M x 2 pcs 16M x 2 pcs
72M 4M x 2 pcs 32M x 2 pcs
80M 8M x 2 pcs 32M x 2 pcs
96M 16M x 2 pcs 32M x 2 pcs
128M 32M x 2 pcs 32M x 2 pcs
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Total SIMM1 SIMM2
Memory Size (MB)
8M 8 M x 1 pcs ----------
8M ---------- 8 M x 1 pcs
16M 16M x 1 pcs ----------
16M ---------- 16M x 1 pcs
32M 32M x 1 pcs ----------
32M ---------- 32M x 1 pcs
Chapter 1 System Board
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Total Bank 0 Bank 1
Memory Size (MB) DIMM 1 DIMM 2
8M 8M x 1 pc ----
16M 16M x 1 pc ----
32M 32M x 1 pc ----
64M 64M x 1 pc ----
16M 8M x 1 pc 8M x 1 pc
24M 16M x 1 pc 8M x 1 pc
40M 32M x 1 pc 8M x 1 pc
72M 64M x 1 pc 8M x 1 pc
24M 8M x 1 pc 16M x 1 pc
32M 16M x 1 pc 16M x 1 pc
48M 32M x 1 pc 16M x 1 pc
80M 64M x 1 pc 16M x 1 pc
40M 8M x 1 pc 32M x 1 pc
48M 16M x 1 pc 32M x 1 pc
64M 32M x 1 pc 32M x 1 pc
96M 64M x 1 pc 32M x 1 pc
72M 8M x 1 pc 64M x 1 pc
80M 16M x 1 pc 64M x 1 pc
96M 32M x 1 pc 64M x 1 pc
128M 64M x 1 pc 64M x 1 pc
*Each Bank can be installed and worked individually, the
mainboard provides optimal performance and free choices
depending on your needs.
*The list show above for DRAM configuration is just for reference.
*SDRAM mixed with FP or EDO are not recommended.
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Chapter 1 System Board
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