==View or Print jumper settings using Fixedsys or New Courier fonts==
Vi15G 486 VESA Motherboard
- BIOS ID String 40-E711-001770-00101111-121593-SIS471G-H
- 4-72 pin SIMM slots (1-128meg FPM DRAM)
- 3-32bit VESA Local Bus slots
- 7-16bit EISA slots
- 128k-512k CACHE support in 8-28pin sockets
- AMI Bios; Acer (Aopen) Vi15G Bios Rev. 2.30
- SiS 85C471/85C407 chipset
- Supports 5volt CPU's
- 237pin ZIF CPU socket 3 which supports these processors:
INTEL 80486SX,80486DX/DX2,P24D
CYRIX CX486DX/DX2
AMD AMD486DX/DX2/DXL
- Supports speeds of 25/33/40/50/66(internal)MHz.
- Manufacterured by: ACER INC., Aopen
===================================================================
Function Jumper Pins
Reset switch J4 19-20
Speaker J4 6-10
Power LED/keylock J4 1-5
Turbo switch J4 15-16
Turbo LED J4 12-13
External Battery J1
Chassis fan power J2 + J3
CMOS normal JP6 1-2
CMOS memory clear JP6 2-3
Factory set JP7 open
Factory set JP7 open
===================================================================
Cache Config
Size Bank 0 Bank 1
-----------------------------------------
128k 4 - 32kx8 none
256k 4 - 32kx8 4 - 32kx8
256k 4 - 64kx8 none
512k 4 - 128kx8 none
Cache Jumpers
Size JP1 JP2
--------------------------------------------
128K 1-2,4-5,8-9 1-2,4-5,8-9
256K 2-3,5-6,8-9 2-3,5-6,8-9
256K 1-2,5-6,8-9 1-2,4-5,8-9
512K 1-2,5-6,7-8 1-2,4-5,7-8
====================================================================
CPU Config
CPU Type JP9 JP10 JP13 JP23
-----------------------------------------------------
80486SX 1-2 1-2 open 6-7
80486DX/DX2 1-2 1-2 open 5-6,7-8
SL80486SX 1-2 1-2 1-2 3-4,5-6,7-8
CX486S 2-3 2-3 1-2 2-3,5-6,7-8
AMD486DXL 2-3 2-3 2-3 5-6,7-8
P24D 1-2 2-3 1-2 1-2,3-4,5-6,7-8
CPU Type JP24 JP25 JP26 JP27
---------------------------------------------------------------------------
80486SX. open open open 7-8
80486DX/DX2 7-8 open open 7-8
SL80486SX 7-8 open 1-2,5-6 4-5,7-8
CX486S 2-3,7-8 2-3 4-5 2-3,7-8
AMD486DXL 3-4,5-6 open open 7-8
P24D 7-8 1-2,5-6 2-3,5-6,7-8 4-5,6-7
CPU Speed Config
Speed JP11
------------------------
25MHz 1-2,5-6
33MHz 1-2,3-4
40MHz 5-6
50iMHz 1-2,5-6
50MHz 3-4
66iMHz 1-2,3-4
VESA Wait States JP18
------------------------------
0 wait state 1-2
1 wait state 2-3
CPU BUS Speed JP19
------------------------------
<= 33MHz 1-2
> 33MHz 2-3
============================END OF DATA ON Vi15G===========================
|