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User Guide for Motherboard models including: LS-486E Motherboard, LS-486E, Motherboard

LS-486-revD

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Lucky Star LS-486E rev: D jumper settings - The Retro Web

19 giu 2022 — Note: jumpers marked with yellow might be hard wired on some boards. • Connectors list: J3 – external battery. CN2 – Primary IDE. J5 – COM1.

[PDF] Lucky Star LS-486E rev: D jumper settings - The Retro Web

Note: jumpers marked with yellow might be hard wired on some boards. • Connectors list: J3 – external battery. CN2 – Primary IDE. J5 – COM1.

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ls-486e-revd-61654c8cbf660212241329
Lucky Star LS-486E rev: D jumper settings

Note: jumpers marked with yellow might be hard wired on some boards

 Connectors list:

J3 ­ external battery

CN2 ­ Primary IDE

J5 ­ COM1

Special jumpers:

CN1 ­ Secondary IDE

J4 ­ COM2

JP17: -> 1-2 for AMD DX4-100

JP4 ­ Floppy

JP6 ­ Primary IDE LED

-> 2-3 for 3.3V AMD DX2

CN7 ­ Parallel

JP7 ­ Secondary IDE LED

-> OFF for any other CPU

JP8 and W3's functions are unknown and their default position is 1-2  CPU settings

CPU voltage: 3.45 volts (5x86/DX4) 4.0 volts (Cyrix DX2) 5.0 volts (Intel DX/DX2)

W4 Open Open Closed

JP28 1-2 2-3 Open

Clock chip used: IMI SC464AYB

CPU type:
JP10 JP11 JP12 JP13 JP14 JP15 JP16 JP18 JP19 JP20 JP21 JP23 JP24

Intel SLE DX/DX2/DX4
Open Open 2-3 4-5 1-2 2-3 Open 1-2 Open 3-4 Open 3-4 1-2, 3-4

AMD/UMC DX/DX2/DX4
Open Open 2-3 Open Open Open Open Open Open 3-4 Open Open 1-2, 3-4

Intel 486SX Open Open
2-3 Open Open Open Open Open Open 3-4 Open Open 2-3

FSB speed: 25MHz 33MHz 40MHz 50MHz

JP5 All Open 1-2, 3-4 1-2 3-4

Cyrix DX2 P24D

Open 2-3 2-3 2-3 Open 1-2 Open 1-2 Closed 3-4 2-3 2-3 1-2, 3-4

1-2 1-2 1-2 4-5 2-3 2-3 Open 1-2 Open 3-4 Open 1-2, 3-4 1-2, 3-4

P24T
Open 1-2 1-2 1-2 Open 2-3 1-2 1-2 Open 2-3 1-2 3-4 1-2, 3-4

 Cache settings:

Cache bank size:

JP25 JP27

128KB (four 32K x 8 chips) 1-2 2-3

256KB (four 64K x 8 chips) 2-3 2-3

512KB (four 128K x 8 chips) 2-3 1-2

Cache TAG chip size: JP26

8K x 8/32K x 8

1-2

16K x 8

2-3

 Other settings

CMOS operation: Normal Clear

JP2, JP3 1-2 2-3

Monitor type: JP1

Mono

Closed

Color

Open

LPT resources: S1

S2

S3

IRQ 5

1-2

-

-

IRQ 3

2-3

-

-

DRQ 1

-

1-2

-

DRQ 3

-

2-3

-

DACK 1

-

-

1-2

DACK 3

-

-

2-3

 Memory configs

Total memory: 4 MB 8 MB 8 MB 12 MB 12 MB 16 MB 16 MB 16 MB 20 MB 24 MB 32 MB 32 MB 64 MB 128 MB

SIMM 1 4 MB 4 MB 8 MB 4 MB 4 MB 4 MB 8 MB 16 MB 4 MB 8 MB 8 MB 16 MB 16 MB 32 MB

SIMM 2 -4 MB -4 MB 8 MB 4 MB 8 MB 16 MB 16 MB 8 MB 8 MB 16 MB 16 MB 32 MB

SIMM 3 ---4 MB -4 MB ----8 MB -16 MB 32 MB

SIMM 4 -----4 MB ----8 MB -16 MB 32 MB
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