==View or Print jumper settings using Fixedsys or New Courier fonts==
PCS30/PCS40 386/486 Motherboard
- BIOS ID string ????????????? <--- please send yours in
- 8-30 pin SIMM slots (1-128meg FPM DRAM)
- 6-16bit ISA slots
- 64-256k cache support in 8-28pin sockets + 2 TAG RAM sockets
- AMI/Award Bios
- VIA VT82C495/VT82C481 Chipset
- OSC1 + OSC2 clock crystals
- DALLAS Real Time Clock
note: - Resistor Network Jumpers: RN50, RN51 + RN53 near cpu + cache
- NPU Options 80387DX
- Supports Intel 80487SX/80486SX/80486DX/DX2 or
Intel 80386DX,AMD80386DX at 25/33/40/50/66MHz
- Manufactured by: OLIVETTI
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CONNECTIONS
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Function Label Function Label
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Turbo LED J5 Speaker J8
Turbo switch J6 Power LED + keylock J9
Reset switch J7
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USER CONFIGURABLE SETTINGS
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Function Label Position
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*CMOS memory normal operation J1 Open
CMOS memory clear J1 Closed
*Monitor type select monochrome/EGA/VGA J2 Open
Monitor type select color J2 Closed
*NPU synchronous with CPU J40 pins 1 + 2
NPU asynchronous with CPU J40 pins 2 + 3
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DRAM
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Size Bank 0 Bank 1
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4MB (4) 1M x 9 None
8MB (4) 1M x 9 (4) 1M x 9
16MB (4) 4M x 9 None
20MB (4) 1M x 9 (4) 4M x 9
32MB (4) 4M x 9 (4) 4M x 9
Note: The orientation of the banks is unidentified.
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CACHE SIZE
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Size Bank 0 Bank 1 M10 TAG
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64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 (1) 8K x 8
128KB (4) 32K x 8 NONE (1) 8K x 8 (1) 8K x 8
256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 (1) 32K x 8
Note: M10 is optional and does not have to be installed.
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CACHE JUMPER
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size js1 js2 js3 js4
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64KB pins 1 + 2 pins 1 + 2 pins 1 + 2 pins 1 + 2
128KB pins 1 + 2 pins 2 + 3 pins 2 + 3 pins 2 + 3
256KB pins 2 + 3 pins 2 + 3 pins 1 + 2 pins 1 + 2
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CPU SPEED/TYPE
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Setting JC1 JC2 JC3
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80386SX-33 pins 1 + 2 pins 1 + 2 pins 1 + 2
80386DX-40 pins 1 + 2 pins 1 + 2 pins 1 + 2
80486SX-20 pins 2 + 3 pins 2 + 3 Open
80486SX-25 pins 2 + 3 pins 2 + 3 Open
80486SX-33 pins 2 + 3 pins 2 + 3 Open
80487SX-20 pins 1 + 2 pins 1 + 2 pins 2 + 3
80487SX-25 pins 1 + 2 pins 1 + 2 pins 2 + 3
80486DX-20 pins 1 + 2 pins 1 + 2 pins 1 + 2
80486DX-25 pins 1 + 2 pins 1 + 2 pins 1 + 2
80486DX-33 pins 1 + 2 pins 1 + 2 pins 1 + 2
80486DX-50 pins 1 + 2 pins 1 + 2 pins 1 + 2
80486DX2-50 pins 1 + 2 pins 1 + 2 pins 1 + 2
80486DX2-66 pins 1 + 2 pins 1 + 2 pins 1 + 2
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CPU SPEED/TYPE (CON'T)
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Setting JK1 JK2 JK3 JK4
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80386SX-33 pins 1 + 2 pins 1 + 2 pins 1 + 2 pins 2 + 3
80386DX-40 pins 1 + 2 pins 1 + 2 pins 1 + 2 pins 2 + 3
80486SX-20 pins 1 + 2 pins 1 + 2 pins 2 + 3 pins 1 + 2
80486SX-25 pins 1 + 2 pins 1 + 2 pins 2 + 3 pins 1 + 2
80486SX-33 pins 2 + 3 pins 2 + 3 pins 2 + 3 pins 1 + 2
80487SX-20 pins 1 + 2 pins 1 + 2 pins 2 + 3 pins 1 + 2
80487SX-25 pins 1 + 2 pins 1 + 2 pins 2 + 3 pins 1 + 2
80486DX-20 pins 1 + 2 pins 1 + 2 pins 2 + 3 pins 1 + 2
80486DX-25 pins 1 + 2 pins 1 + 2 pins 2 + 3 pins 1 + 2
80486DX-33 pins 2 + 3 pins 2 + 3 pins 2 + 3 pins 1 + 2
80486DX-50 pins 2 + 3 pins 2 + 3 pins 2 + 3 pins 1 + 2
80486DX2-50 pins 1 + 2 pins 1 + 2 pins 2 + 3 pins 1 + 2
80486DX2-66 pins 2 + 3 pins 2 + 3 pins 2 + 3 pins 1 + 2
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CPU SPEED/TYPE (CON'T)
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Setting RN10 RN50 RN51 RN53
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80386SX-33 Not installed nstalled Not installed Installed
80386DX-40 Not installed Installed Not installed Installed
80486SX-20 Installed Not installed Installed Not installed
80486SX-25 Installed Not installed Installed Not installed
80486SX-33 Installed Not installed Installed Not installed
80487SX-20 Installed Not installed Installed Not installed
80487SX-25 Installed Not installed Installed Not installed
80486DX-20 Installed Not installed Installed Not installed
80486DX-25 Installed Not installed Installed Not installed
80486DX-33 Installed Not installed Installed Not installed
80486DX-50 Installed Not installed Installed Not installed
80486DX2-50 Installed Not installed Installed Not installed
80486DX2-66 Installed Not installed Installed Not installed
=========================END OF DATA ON PCS30/PCS40==========================
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