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USER’S MANUAL
B58 MAIN BOARD
482B5801
Printed in Taiwan 2000
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INDEX
This user’s manual describes the jumper setting of B58 Main Board. For
detailed technical information, please refer to CDs attached with PC system
unit.
Table of Contents Page
Technical details
1. Jumpers location diagram for B58 main board 1
2. Memory configuration 2
3. Jumper setting 3 – 5
All other registered and unregistered trademarks are trademarks of their respective
holders
1. Jumpers Location Diagram for "B58 V1.x " main board
J33
1
U28
4
CN1
EISA SLOT
J1
EISA SLOT
J5
J6
33
34
39
U7
VT82C686A
J12 J18
CN4
J9
J10
1
2
1
2
1
240
44
43
CN5
81
J19
1
J20
J21
J11
1
2
1
2
J24
J23
31
3
1
3
J25 J28
1
CN6
4
1
CN7
3
31
25
26
U8
CPU
9
10
J3
1
2
168-PIN DIMM RAM SOCKET-DIMM
168-PIN DIMM RAM SOCKET-DIMM
U14
VT8501
J27
CN9
1
U21
CH7003
U20
29EE-022
DOC
U22
1
2
3
CN10
1
2
J31
5
6
1
2
4
3
1
2
J32
J2
127
8
J15
CN3
2
1
3
1
J13
CN2
2
6
8
7
2
1
51
J7
1 4
J14
J22
J17
J26
J30
1
2.Memory configuration for “B58 V1.X” main board
l System Memory Configuration
Capacity DIMM 1 DIMM 2
16MB
16MB
32MB
32MB
64MB
64MB
128MB
**128MB
**256MB
IMPORTANT
Net PC NC3 and NC4 series support low profile SDRAM DIMM
module provided by Flytech (FT-100). NC2 series supports both
Flytech low profile SDRAM (FT-100) and standard SDRAM module.
In case NC2 series bundled with one CD-ROM and one FDD and
one HDD, please use Flytech low profile SDRAM module (FT-100)
due to height limitation. The model no. “FT-100” is low profile
SDRAM DIMM module produced by Flytech. It meets PC-100
compliant.
8MB 8MB
16MB None
16MB 16MB
32MB None
32MB 32MB
64MB None
64MB 64MB
128MB None
128MB 128MB
l External Cache RAM Configuration.
Capacity SDRAM Type Quantity Location
512KB
64k x 64 1pcs U15
2
3. Jumper Setting
l CPU type selection :J13, J15
Pentium 100MHz Open Open Open Close Open Open Open
Pentium 120MHz Close Open Open Open Open Open Open
Pentium 133MHz Close Open Open Close Open Open Open
Pentium 150MHz Close Close Open Open Open Open Open
Pentium 166MHz Close Close Open Close Open Open Open
IDT C6 180MHz Open Close Open Open Open Open Open
IDT C6 200MHz Open Close Open Close Open Open Open
IDT C6 240MHz Close Open Close Open Open Open Open
Pentium 200MHz MMX Open Close Open Close Open Open Open
Pentium 233MHz MMX Open Open Open Close Open Open Open
AMD K6/233MHz(AFR) Open Open Open Close Open Open Open
AMD K6/266MHz(AFR)
AMD K6-2/266MHz
AMD K6-2/300MHz Open Close open Close Close close Open
AMD K6-2/350MHz Open Open Open Close Close Close Open
AMD K6-2/400MHz Close Open Close Close Close Close Open
AMD K6-2/450MHz Close Close Close Close Close Close Open
AMD K6-3/400MHz Close Open Close Close Close Close Open
AMD K6-2/450MHZ
AMD K6-3/450MHz
J13 J15CPU
1-2 3-4 5-6 1-2 3-4 5-6 7--8
Close Open Close Close Open Open Open
Close Close Close Close Close Close Open
AMD K6-2/500MHZ
AMD K6-3/500MHZ
Open Close Close Close Close Close Open
3
l CPU Voltage selection :
J 3Vcore
1-2 3-4 5-6 7-8 9-10
1.5 Open Open Close Open Close
1.6 Open Close Close Open Close
1.7 Open Open Open Close Close
1.8 Open Close Open Close Close
1.9 Open Open Close Close Close
2.0 Open Close Close Close Close
2.1 Close Open Open Open Open
2.2 Open Close Open Open Open
2.3 Close Close Open Open Open
2.4 Open Open Close Open Open
2.5 Close Open Close Open open
2.6 Open Close Close Open Open
2.7 Close Close Close Open Open
2.8 Open Open Open Close Open
2.9 Close Open Open Close Open
3.0 Open Close Open Close Open
3.1 Close Close Open Close Open
3.2 Open Open Close Close Open
3.3 Close Open Close Close Open
3.4 Open Close Close Close Open
3.5 Close Close Close Close open
l CMOS data clean function : J24
CMOS data J24
Clean 2-3
Normal (default) 1-2
4
l Power supply selection: J19, J20
Power supply J19 J20
FT-8005C AT external power (default) 2-3 2-3
FT-8006 ATX external power 1-2 1-2
l Disk On Chip address selection: J31, J32
Address J31 J32
0C800H – 0C9FFH 1-2 1-2
0CC00H – 0CDFFH 1-2 3-4
0D000H – 0D1FFH 3-4 1-2
0D400H – 0D5FFH 3-4 3-4
0D800H – 0D9FFH 5-6 1-2
0DC00H – 0DDFFH 5-6 3-4
5
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