Thread: SIS 486G 3.3/5V Rev:G,H Motherboard User Manual

- AWARD BIOS string 10/21/94-SiS-85C471B/E/G-2C4i9F30-00
- AWARD BIOS string 12/23/94-SIS-85C471B/E/G-2C4I9000-00
- 2-72 pin SIMM slots (1-128meg FPM DRAM)
- 4-30 pin SIMM slots
- 3-32bit VESA Local Bus slots
- 7-16bit ISA slots
- 64k-1024k CACHE support in 8-32pin sockets + 1 TAG RAM socket
- AWARD 1994-95 Auto-Detect BIOS.
- Supports LBA Mode Control & Large Disk DOS Compatibility.
- Green PC Connector
- SiS 85C471 9510 st 1994 chipset
- Supports 3.3v/5volt CPU's
- ZIF CPU socket 3 which supports these processors:
INTEL 80486SX/SX2,80486DX/DX2/DX4,P24D, SL80486SX/DX/DX2
CYRIX CX486S(M6),CX486DX/DX2(M7)
AMD AM486DX/DX2,AM486DXL2,AMDX4-120WB (AMD5x86)
- Supports speeds of 20/25/33/40/50/66/75/100 MHz.
- Manufactured by: Full Yes, Ably Tech and Vision Technologies


==View or Print jumper settings using Fixedsys or New Courier fonts==
SIS 486G 3.3/5V Ver:G,H VESA Motherboard
- Award BIOS ID string 10/21/94-SiS-85C471B/E/G-2C4I9F30-00
- 2-72 pin SIMM slots (1-128meg FPM DRAM)
- 4-30 pin SIMM slots
- 3-32bit VESA Local Bus slots
- 7-16bit ISA slots
- 64k-1024k CACHE support in 8-32pin sockets + 1 TAG RAM socket
- AWARD 1994-95 Auto-Detect BIOS.
- Supports LBA Mode Control + Large Disk DOS Compatibility.
- Green PC Connector
- SiS 85C471 9535 1994 chipset
- Supports 3.3v/5volt CPU's
- ZIF 237pin CPU socket 3 which supports these processors:
INTEL 80486SX/SX2,80486DX/DX2/DX4,P24D
SL80486SX/DX/DX2
CYRIX CX486S(M6),CX486DX/DX2(M7)
AMD AM486DX/DX2,AM486DXL2,AMDX4-120WB (AMD5x86)
- Supports speeds of 20/25/33/40/50/66/75/100(internal)MHz.
- Manufactured by: VISION TECHNOLOGIES (now defuncted)
other possible manufacturers unknown
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External Battery J1 Green PC VGA connector J2
Speaker J7 Power LED + keylock J8
Reset switch J4 Green PC connector JP29
Turbo LED J5 Turbo switch J6 pins2-3
32Bit VESA slots SL1-SL3
================================================== =====================
Factory setting JP20 2-3
Factory setting JP21 2-3
Factory setting JP30 1-2
Factory setting JP35 1-2
CMOS normal JP38 1-2
CMOS clear JP38 2-3
Monitor EGA/VGA JP39 open
Monitor CGA JP39 closed
RC pin break switch enabled JP40 1-2
RC pin used for RC JP40 2-3
================================================== =====================
DRAM configurations indicate support for:
30pin simms 72pin simms
-----------------------------------
256k x 9 256k x 36
1M x 9 1M x 36
4M x 9 4M x 36
8M x 9 8M x 36
16M x 9 16M x 36
* note: 8meg 30pin simms only work with all 4 slots of BANK 0 filled
and one 8meg 72pin simm installed in BANK 1 (DRAM Config #2).
Config Bank 0 Bank 1 Bank 2
--------------------------------------------------------------
1 (30pin) (30pins) no other slots
2 SIMM5,6,7,8 SIMM10 SIMM9
3 SIMM9 SIMM10 SIMM5,6,7,8
DRAM SLOT Select Config JP36 JP37
-----------------------------------------------------
30pin / 30pin 1 1-2 open
30pin / 72pin / 72pin 2 1-2 2-3
72pin / 72pin / 30pin 3 2-3 1-2
================================================== =====================
Cache Bank 0 Bank 1 TAG
---------------------------------------------------------
64K 4 - 8kx8 4 - 8kx8 1 - 8kx8
128K 4 - 32kx8 none 1 - 8kx8 or 1 - 16kx8
256K 4 - 32kx8 4 - 32kx8 1 - 16kx8
256K 4 - 32kx8 4 - 32kx8 1 - 32kx8
512K 4 - 64kx8 4 - 64kx8 1 - 32kx8
1024K 4 - 128kx8 4 - 128kx8 1 - 128kx8
Cache JP1 JP2 JP3 JP25 JP26 JP27 JP28
----------------------------------------------------------------------
64K 1-2 2-3 2-3,4-5 1-2 1-2 1-2 open
128K 2-3 1-2 1-2,3-4 2-3 1-2 1-2 open
256K 2-3 2-3 2-3,4-5 2-3 open open closed
256K 2-3 2-3 2-3,4-5 2-3 2-3 1-2 open
512K 2-3 1-2 1-2,3-4 2-3 2-3 2-3 open
1024K 2-3 2-3 2-3,4-5 2-3 2-3 2-3 open
================================================== =====================

CPU Type JP4 JP5 JP6 JP7
------------------------------------------------
80486SX open open open 3-4
80486DX/DX2 open open open 1-2,3-4
80486DX4 open open open 1-2,3-4
AM486DX2 open open open 1-2,3-4
AM486DXL2(3.3v) open open open 1-2,3-4
AMD486DX4-120wb open open open 1-2,3-4
CX486SX open open open 2-3
CX486DX open open open 1-2,3-4
CX486DX2-66 open open open 1-2,3-4
CX486DX2-80 open open open 1-2,3-4
SL80486SX open open open 1-2,3-4
SL80486DX open open open 1-2,3-4
SL80486DX2 open open open 1-2,3-4
CPU Type JP8 JP9 JP10 JP11
--------------------------------------------
80486SX open 2-3 1-2 open
80486DX/DX2 open 2-3 1-2 open
80486DX4 open 2-3 1-2 open
AM486DX2 open 2-3 1-2 open
AM486DXL2(3.3v) open 2-3 2-3 3-4
AMD486DX4-120wb 1-2 2-3 1-2 open
CX486SX 2-3 2-3 1-2 2-3
CX486DX 2-3 2-3 1-2 2-3
CX486DX2-66 2-3 2-3 1-2 2-3
CX486DX2-80 2-3 2-3 1-2 2-3
SL80486SX open 2-3 1-2 open
SL80486DX open 2-3 1-2 open
SL80486DX2 open 2-3 1-2 open
CPU Type JP12 JP13 JP14
-------------------------------------------------------------
80486SX open open open
80486DX/DX2 3-4 open open
80486DX4 3-4 2-3 3-4
AM486DX2 3-4 open open
AM486DXL2(3.3v) 1-2,3-4 open open
AM486DX4-120 w/b 3-4 2-3 1-2,3-4
CX486SX open 1-2,3-4 2-3,4-5
CX486DX 3-4 1-2,3-4 2-3,4-5
CX486DX2-66 3-4 1-2,3-4 2-3,4-5
CX486DX2-80 3-4 1-2,3-4 2-3
SL80486SX open 2-3 3-4
SL80486DX 3-4 2-3 3-4
SL80486DX2 3-4 2-3 3-4
CPU Type JP15 JP16 JP17 JP18 JP19
---------------------------------------------------------------
80486SX open open open closed 2-3
80486DX/DX2 open open open closed 2-3
80486DX4 open 1-2 4-5 open 2-3
AM486DX2 open open open closed 2-3
AM486DXL2(3.3v) open open open closed 2-3
AM486DX4-120w/b open 3-4 2-3 closed 2-3
CX486SX open open 2-3 closed 2-3
CX486DX open open 2-3 closed 2-3
CX486DX2-66 open open 2-3 closed 2-3
CX486DX2-80 open open 2-3 closed 2-3
SL80486SX open 1-2 4-5 closed 2-3
SL80486DX open 1-2 4-5 closed 2-3
SL80486DX2 open 1-2 4-5 closed 2-3
CPU Type JP33 JP34 JP41 JP42 JP43
---------------------------------------------------------------------
80486SX 2-3 1-2 3-4,5-6 open open
80486DX/DX2 2-3 1-2 3-4,5-6 open open
80486DX4 2-3 1-2 1-2,3-4 closed open
AM486DX2 2-3 1-2 1-2,3-4 open closed
AM486DXL2(3.3v) 1-2 2-3 3-4,5-6 open open
AM486DX4 120w/b 1-2 1-2 3-4,5-6 open open
CX486SX 1-2 2-3 3-4,5-6 open open
CX486DX 1-2 2-3 3-4,5-6 open open
CX486DX2-66 1-2 2-3 1-2,3-4 closed open
CX486DX2-80 1-2 2-3 1-2,3-4 closed open
SL80486SX 2-3 1-2 3-4,5-6 open open
SL80486DX 2-3 1-2 3-4,5-6 open open
SL80486DX2 2-3 1-2 3-4,5-6 open open
================================================== =====================
(AV9107)
CPU Speed JP22 JP23 JP24 JP32 (Bus Speed)
-----------------------------------------------------
20MHZ closed open closed 1-2
25MHZ closed closed open 1-2
33MHZ open closed closed 1-2
40MHZ closed open open 2-3
50iMHZ closed closed open 2-3
50MHZ open open closed 2-3
66iMHZ open closed closed 2-3
75iMHZ closed closed open 2-3
100iMHZ open closed closed 2-3
================================================== =====================
(MX8315)
CPU Speed JP22 JP23 JP24 JP32 (Bus Speed)
-----------------------------------------------------
20MHZ open open open 1-2
25MHZ open closed open 1-2
33MHZ closed closed closed 1-2
40MHZ open closed closed 2-3
50iMHZ open closed open 2-3
50MHZ closed open open 2-3
66iMHZ closed closed closed 2-3
75iMHZ open closed open 2-3
100iMHZ closed closed closed 2-3
================================================== =====================
VESA Bus Wait State JP31
-----------------------------
0 W/S 1-2
1 W/S 2-3
================================================== =====================