Sony 486DX User Manual

AR-B1474 User¡

¦s Guide

10-3

CN1

Hard disk (IDE) connector

3-3

CN2

FDD port connector

3-4

CN3

Parallel port connector

3-4

CN4

40-pin PC/104 connector bus C & D

3-5

CN5

6-pin mini DIN keyboard connector

3-10

CN6

64-pin PC/104 connector bus A & B

3-5

J1

HDD LED header

3-10

J2

Watchdog LED header

3-10

J3

External speaker header

3-11

J4

External power LED & keyboard lock header

3-10

J5

Power connector

3-3

J6

External battery connector

3-11

J7

Reset header

3-11

J8

AUX. Keyboard connector

3-10

DB1

RS-232 connector for COM-A

3-2

DB2

RS-232 connector for COM-B

3-2

SW1

Switch select

5-2

SIMM1

DRAM socket

3-9

LED1

Watchdog LED

LED2

Power LED

JP1

AMD DX2-80 CPU select

3-7

JP2

CPU voltage select

3-7

JP3

RS-485 adapter select for COM-A

3-2

JP4

Battery charger select

3-11

JP5

1Mx8 EPROM select

5-6

JP6

CPU base clock select

3-8

JP7

SSD BIOS select

5-5

JP8

Cache RAM size select

3-9

JP9

CPU system clock multiplier select

3-8

JP11

RS-485 adapter select for COM-B

3-2

JP13

CRT display type select

3-11

JP15

AMD 4X CPU (5x86) select

3-7

M1,M2 &M3 Memory type setting

5-6