==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 ======================================================================= 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 ======================================================================= |