Thread: J-403TG V2.0 Motherboard User Manual

- also known as J-403TG 486 GREEN VLB (V2.0)
- AWARD BIOS ID string 21-7-1994 OPTI-802G-2C4UKJ11-00
- AMI BIOS ID string 40-0100-001276-00101111-072594-OPTI895-U
- 3-72 pin SIMM slots (1-128meg FPM DRAM)
- 4-30 pin SIMM slots
- 3-32bit VESA Local Bus slots
- 6-16bit ISA slots
- 2-8bit ISA clot
- 64k-256k CACHE support in 8-32pin sockets + 1 TAG RAM socket
- AMI BIOS 1994 American Megatrends 486DX ISA
- Green PC Connectors
- OPTI 82C895 94521E Chipset
- CPU socket which supports these processors:
INTEL 80486SX/DX/DX2/DX4, SL80486SX/DX/DX2
CYRIX CX486DX/DX2(M7)
- Supports speeds of 25/33/40/50/66/100 MHz.
- manufactured by: JETWAY - Taiwan
USA support


==View or Print jumper settings using Fixedsys or New Courier fonts==

J-403TG 486 GREEN VLB (V2.0) Motherboard

- BIOS ID string ???????????? <----- (please send yours in)
- AMI BIOS ID string 40-0100-001276-00101111-072594-OPTI895-U
- 3-72 pin SIMM slots (1-128meg FPM DRAM)
- 4-30 pin SIMM slots
- 3-32bit VESA Local Bus slots
- 6-16bit ISA slots
- 2-8bit ISA clot
- 64k-256k CACHE support in 8-32pin sockets + 1 TAG RAM socket
- AMI BIOS 1994 American Megatrends 486DX ISA
- Green PC Connectors
- OPTI 82C895 94521E Chipset
- CPU socket which supports these processors:
INTEL 80486SX/DX/DX2/DX4, SL80486SX/DX/DX2
CYRIX CX486DX/DX2(M7)
- Supports speeds of 25/33/40/50/66/100 MHz.
- manufactured by: JETWAY
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CONNECTIONS
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Purpose Location Purpose Location
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Turbo switch J1 External battery 4-6volt J6 pin1+ pin4-
Reset switch J2 Green PC connector JP16
Speaker J3 Green PC (monitor) JP19
Power LED + keylock J4 Green PC LED JP20
Turbo LED J5 32-bit VESA local bus SLl - SL3
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USER CONFIGURABLE SETTINGS
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Function Label Position
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CMOS memory normal operation JP15 Pins 2 + 3 closed
CMOS memory clear JP15 Pins 1 + 2 closed
(please send in the following data please)
(its possible these are hardwired if present at all, sorry no info)
Jumper information unavailable JP2 Unidentified
Jumper information unavailable JP3 Unidentified
Jumper information unavailable JP4 Unidentified
Jumper information unavailable JP6 Unidentified
Jumper information unavailable JP11 Unidentified
Jumper information unavailable JP14 Unidentified
Jumper information unavailable JP29 Unidentified
Jumper information unavailable JP30 Unidentified
Jumper information unavailable JP37 Unidentified
Jumper information unavailable JP39 Unidentified
Jumper information unavailable JP40 Unidentified
Jumper information unavailable JP51 Unidentified
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DRAM CONFIGURATION
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Size Bank 0 Bank 1 Bank 2 Bank 3
--------------------------------------------------------------------------
2MB (A) (4)256K x 9 (1)256K x 36 None None
2MB (B) None (1)512K x 36 None None
4MB (A) (4)1M x 9 None None None
4MB (B) None (1)1M x 36 None None
4MB (C) (4)256K x 9 (1)256K x 36 (1)256K x 36 (1)256Kx36
4MB (D) None (1)512K x 36 (1)512K x 36 None
5MB (4)256K x 9 (1)1M x 36 None None
6MB (A) (4)256K x 9 (1)256K x 36 (1)1M x 36 None
6MB (B) None (1)512K x 36 (1)1M x 36 None
8MB (A) (4)1M x 9 (1)1M x 36 None None
8MB (B) None (1)2M x 36 None None
8MB (C) None (1)1M x 36 (1)1M x 36 None
10MB (A) (4)256K x 9 (1)256K x 36 (1)2M x 36 None
10MB (B) (4)256K x 9 (1)256K x 36 (1)1M x 36 (1)1M x 36
10MB (C) None (1)512K x 36 (1)2M x 36 None
10MB (D) None (1)512K x 36 (1)1M x 36 (1)1M x 36
12MB (A) (4)1M x 9 None (1)2M x 36 None
12MB (B) None (1)1M x 36 (1)1M x 36 (1)1M x 36
12MB (C) (4)1M x 9 None (1)1M x 36 (1)1M x 36
16MB (A) (4)4M x 9 None None None
16MB (B) None (1)4M x 36 None None
16MB (C) (4)1M x 9 (1)1M x 36 (1)1M x 36 (1)1M x 36
16MB (D) None (1)2M x 36 (1)2M x 36 None
17MB (4)256K x 9 (1)4M x 36 None None
20MB (A) (4)1M x 9 (1)4M x 36 None None
--------------------------------------------------------------------------
DRAM CONFIGURATION (CON'T)
--------------------------------------------------------------------------
Size Bank 0 Bank 1 Bank 2 Bank 3
--------------------------------------------------------------------------
20MB (B) (4)1M x 9 None (1)4M x 36 None
20MB (C) None (1)1M x 36 (1)4M x 36 None
32MB (A) (4)4M x 9 (1)4M x 36 None None
32MB (B) None (1)8M x 36 None None
32MB (C) (4)4M x 9 None (1)4M x 36 None
32MB (D) None (1)4M x 36 (1)4M x 36 None
64MB (A) (4)16M x 9 None None None
64MB (B) None (1)16M x 36 None None
64MB (C) (4)4M x 9 (1)4M x 36 (1)4M x 36 (1)4M x 36
64MB (D) None (1)8M x 36 (1)8M x 36 None
128MB (A) (4)16M x 9 (1)16M x 36 None None
128MB (B) None (1)32M x 36 None None
128MB (C) (4)16M x 9 None (1)16M x 36 None
128MB (D) None (1)16M x 36 (1)16M x 36 None
--------------------------------------------------------------------------

DRAM JUMPER CONFIGURATION
--------------------------------------------------------------------------
Size JP18
--------------------------------------------------------------------------
2MB (A) Pins 1 + 2 closed
2MB (B) Pins 2 + 3 closed
4MB (A) Pins 1 + 2 closed
4MB (B) Pins 2 + 3 closed
4MB (C) Pins 1 + 2 closed
4MB (D) Pins 2 + 3 closed
5MB Pins 1 + 2 closed
6MB (A) Pins 1 + 2 closed
6MB (B) Pins 2 + 3 closed
8MB (A) Pins 1 + 2 closed
8MB (B) Pins 2 + 3 closed
8MB (C) Pins 2 + 3 closed
10MB (A) Pins 1 + 2 closed
10MB (B) Pins 1 + 2 closed
10MB (C) Pins 2 + 3 closed
10MB (D) Pins 2 + 3 closed
12MB (A) Pins 1 + 2 closed
12MB (B) Pins 2 + 3 closed
12MB (C) Pins 1 + 2 closed
16MB (A) Pins 1 + 2 closed
16MB (B) Pins 2 + 3 closed
16MB (C) Pins 1 + 2 closed
16MB (D) Pins 2 + 3 closed
17MB Pins 1 + 2 closed
20MB (A) Pins 1 + 2 closed
20MB (B) Pins 1 + 2 closed
20MB (C) Pins 2 + 3 closed
32MB (A) Pins 1 + 2 closed
32MB (B) Pins 2 + 3 closed
32MB (C) Pins 1 + 2 closed
32MB (D) Pins 2 + 3 closed
64MB (A) Pins 1 + 2 closed
64MB (B) Pins 2 + 3 closed
64MB (C) Pins 1 + 2 closed
64MB (D) Pins 2 + 3 closed
128MB (A) Pins 1 + 2 closed
128MB (B) Pins 2 + 3 closed
128MB (C) Pins 1 + 2 closed
128MB (D) Pins 2 + 3 closed
--------------------------------------------------------------------------
CACHE CONFIGURATION
--------------------------------------------------------------------------
size Bank 0 Bank 1 TAG
--------------------------------------------------------------------------
64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8
128KB (4) 32K x 8 None (1) 8K x 8
256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8
256KB (B) (4) 32K x 8 (4) 32K x 8 (1) 16K x 8
--------------------------------------------------------------------------
CACHE JUMPER CONFIGURATION
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Size JP34 JP35 JP36 JP38
--------------------------------------------------------------------------
64KB 1 + 2 Open Open 2 + 3
128KB 1 + 2 Closed Open 1 + 2
256KB (A) 1 + 2 Closed Closed 2 + 3
256KB (B) 2 + 3 Closed Closed 2 + 3
--------------------------------------------------------------------------
CPU SPEED SELECTION (AV-9107-03)
--------------------------------------------------------------------------
Speed JP9 JP21 JP22 JP23 JP24
--------------------------------------------------------------------------
25MHz 1 + 2 Open Closed Open Closed
33MHz 1 + 2 Open Closed Closed Open
4OMHz 1 + 2 Open Open Open Closed
5OiMHz 1 + 2 Open Closed Open Closed
66iMHz 1 + 2 Open Closed Closed Open
1OOiMHz 1 + 2 Open Closed Closed Open
--------------------------------------------------------------------------
CPU SPEED SELECTION (SC468)
--------------------------------------------------------------------------
Speed JP9 JP21 JP22 JP23 JP24
--------------------------------------------------------------------------
25MHz Open Open Open Open Open
33MHz Open Open Closed Closed Open
40MHz Open Open Open Closed Open
50iMHz Open Open Open Open Open
66!MHz Open Open Closed Closed Open
100iMHz Open Open Closed Closed Open
--------------------------------------------------------------------------
CPU TYPE SELECTION
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Type JP1 JP1O JP12 JP13 JP26
--------------------------------------------------------------------------
80486SX Open Open Open Open Open
SL80486SX Closed Open Open Open Open
80486DX Open Open Open Open 1 + 2
SL80486DX Closed Open Open Open 1 + 2
CX M7 Open 1 + 2 Open 2 + 3 1 + 2
CX M72 Open 1 + 2 Open 2 + 3 1 + 2
80486DX2 Open Open Open Open 1 + 2
SL80486DX2 Closed Open Open Open 1 + 2
80486DX4 Closed Open Open 1 + 2 1 + 2
--------------------------------------------------------------------------
CPU TYPE SELECTION (CON'T)
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Type JP27 JP28 JP31 JP32 JP33
--------------------------------------------------------------------------
80486SX 2 + 3 1 + 2 Open Open Open
SL80486SX 2 + 3 I + 2 1 + 2 Closed Closed
80486DX 1 + 2,3 + 4 1 + 2 Open Open Open
SL80486DX 1 + 2,3 + 4 1 + 2 1 + 2 Closed Closed
CX M7 1 + 2,3 + 4 2 + 3 2 + 3 Open Open
CX M72 1 + 2,3 + 4 2 + 3 2 + 3 Open Open
80486DX2 1 + 2,3 + 4 1 + 2 Open Open Open
SL80486DX2 1 + 2,3 + 4 1 + 2 1 + 2 Closed Closed
80486DX4 1 + 2,3 + 4 1 + 2 1 + 2 Closed Closed
--------------------------------------------------------------------------
CPU VOLTAGE SELECTION
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Voltage JP25
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3.3v Pins 3 + 5, 4 + 6 closed
5v Pins 1 + 3, 2 + 4 closed
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VL BUS SPEED SELECTION
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Speed JP7
--------------------------------------------------------------------------
< = 33MHz Open
> 33MHz Closed
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VL BUS WAIT STATE SELECTION
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Setting JP8
--------------------------------------------------------------------------
0 wait state Open
1 wait state Closed
==================END OF DATA FOR J-403TG 486 GREEN VLB===================