V4P895P3/SMT V:1 Motherboard User Manual - also known as VL/ISA-PB486P3 or V4P895P3/SMT v1.0
- AMI BIOS ID string 40-2004-428003-00101111-072594-OPTI802-H
- 2-72pin SIMM slots (1-64meg FPM DRAM)
- 4-30 pin SIMM slots
- 3-32 bit VESA Local Bus slots
- 6-16 bit ISA slots
- 1-8 bit XT slot
- 64k-256k CACHE support in 8-28pin sockets + 1 TAG RAM socket
- AMI BIOS 486 ISA BIOS, AB9450864 (Includes LBA option)
- Opti 82c495sx/82c206q/82c392sx chipset
- ZIF 3 CPU socket which supports these processors:
INTEL 80486SX/DX/DX2, SL-series, p24c (dx4), p24t, p24d
CYRIX CX486DX/DX2(M7)
AMD AM486DX/DX2
- Supports speeds of 25/33/40/50/66/75/100 MHz.
- manufactured by: QDI Computer INC.
==View or Print jumper settings using Fixedsys or New Courier fonts==
VL/ISA-PB486P3 - V4P895P3/SMT Ver:1.0
- BIOS ID string ????????????????? <--- please send in yours
- AMI BIOS ID string: 40-01501-008003-00101111-121593-OP802G-F
- 2-72pin SIMM slots (1-64meg FPM DRAM)
- 4-30 pin SIMM slots
- 3-32 bit VESA Local Bus slots
- 6-16 bit ISA slots
- 1-8 bit ISA slot
- 64k-256k CACHE support in 8-28pin sockets + 1 TAG RAM socket
- AMI BIOS 486 ISA BIOS, AB9450864 (Includes LBA option)
- Opti 895 chipset <--- confirm version
- ZIF 3 CPU socket which supports these processors:
INTEL 80486SX/DX/DX2,S-Series 80486DX4, Pentium Overdrive
CYRIX CX486DX/DX2(M7)
- Supports speeds of 25/33/40/50/66/75/100 MHz.
- manufactured by: QDI COMPUTER INC.
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CONNECTIONS
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Purpose Location Purpose Location
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Turbo switch J1 Green PC connector JP21
Power LED + keylock J2 Green PC connector JP32
Turbo LED J3 Reset switch S1
Speaker JP18 32-bit VLB slots SL1 - SL3
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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.Battery type select internal JP26 pins 2 + 3 closed
CMOS memory clear JP26 pins 1 + 2 closed
.Monitor type select color JP30 Closed
Monitor type select monochrome JP30 Open
.Factory configured - do not alter JP44 pins 2 + 3 closed
.Factory configured - do not alter JP46 pins 2 + 3 closed
Note: The locations of JP44 + JP46 are unknown.
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DRAM CONFIGURATION
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Size Bank 0 Bank 1 Bank 2
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1MB (4) 256K x 9 NONE NONE
2MB NONE (1) 512K x 36 NONE
4MB (4) 1M x 9 NONE NONE
4MB NONE (1) 1M x 36 NONE
4MB NONE (1) 512K x 36 (1) 512K x 36
6MB NONE (1) 512K x 36 (1) 1M x 36
8MB (4) 1M x 9 NONE (1) 1M x 36
8MB NONE (1) 2M x 36 NONE
8MB NONE (1) 1M x 36 (1) 1M x 36
10MB NONE (1) 512K x 36 (1) 2M x 36
12MB (4) 1M x 9 NONE (1) 2M x 36
12MB NONE (1) 1M x 36 (1) 2M x 36
16MB (4) 4M x 9 NONE NONE
16MB NONE (1) 4M x 36 NONE
16MB NONE (1) 2M x 36 (1) 2M x 36
20MB (4) 1M x 9 NONE (1) 4M x 36
20MB NONE (1) 1M x 36 (1) 4M x 36
32MB (4) 4M x 9 NONE (1) 4M x 36
32MB NONE (1) 4M x 36 (1) 4M x 36
32MB NONE (1) 8M x 36 NONE
64MB NONE (1) 8M x 36 (1) 8M x 36
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CACHE CONFIGURATION
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Size Bank 0 Bank 1 TAG
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64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8
128KB (4) 32K x 8 NONE (1) 8K x 8
256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8
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CACHE JUMPER CONFIGURATION
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Size JP10 JP11 JP13 JP24 JP25 JP36
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64KB Open Open 2 + 3 Closed Closed 2 + 3
128KB Open Closed 1 + 2 Open Open Open
256KB Closed Closed 2 + 3 Closed Closed 2 + 3
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CPU TYPE CONFIGURATION
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Type JP3 JP4 JP5 JP6 JP7 JP8
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80486SX Open Open Open 1 + 2 Open 2 + 3
SL80486SX Open Open Open 1 + 2 Open 2 + 3
CX486M7 (1x) 1 + 2 Open 2 + 3 2 + 3 Open 1 + 2
CX486M7 (2x) 1 + 2 Open 2 + 3 2 + 3 Open 1 + 2
80486DX 1 + 2 Open 2 + 3 1 + 2 Open 1 + 2
SL80486DX 1 + 2 Open 2 + 3 1 + 2 Open 1 + 2
80486DX2 1 + 2 Open 2 + 3 1 + 2 Open 1 + 2
80486DX4 1 + 2 Open 2 + 3 1 + 2 Open 1 + 2
P24D (WB) 1 + 2 Open 2 + 3 1 + 2 1 + 2 1 + 2
P24D (WT) 1 + 2 Open 2 + 3 1 + 2 2 + 3 1 + 2
P24T 1 + 2 Closed 2 + 3 1 + 2 Open 1 + 2
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CPU TYPE CONFIGURATION (CON'T)
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Type JP9 JP12 JP22 JP23 JP27 JP40 JP43
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80486SX Open Open 1 + 2 Open Open Open Open
SL80486SX Open Open 1 + 2 Open Open Open Open
CX486M7(1x) 1 + 2 Open 1 + 2 Open 1 + 2 Open Open
CX486M7(2x) 1 + 2 Open 1 + 2 Open 2 + 3 Open Open
80486DX Open Open 1 + 2 Open Open Open Open
SL80486DX Open Open 1 + 2 Open Open Open Open
80486DX2 Open Open 1 + 2 Open Open Open Open
80486DX4 Open Open 1 + 2 Open Open Closed see below
P24D (WB) 2 + 3 Closed 1 + 2 Closed Open Open Open
P24D (WT) 2 + 3 Closed 1 + 2 Closed Open Open Open
P24T 2 + 3 Open 1 + 2 Open Open Open Open
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