AQUARIUS SYSTEMS, INC.
ASI-486T
Mainboard80486SX
Jeremiah Freedman
32968 AQUARIUS SYSTEMS, INC. ASI-486T
Processor Processor Speed Chip Set Max. Onboard DRAM Cache BIOS Dimensions I/O Options NPU Options
80486SX 25/33MHz Intel 64MB 64/128/256KB (on external memory card) Unidentified 330mm x 218mm External memory card None
CON4 JP6 JP5 CON5
CON6
JP4 TP6
TP5 TP4
S1 BANK 0 BANK 1
CPU
TP3 TP2
The Micro House Encyclopedia of Main Boards 1
BIOS
KBD
MH2968
CON1
JP2
Purpose External battery Reset switch Speaker Power LED & keylock
CONNECTIONS
Location Purpose
CON1
Turbo LED
CON4
Turbo switch
CON5
External memory card connector
CON6
Location JP5 JP6 S1
Continued on next page. . .
Copyright © 1994, 1995, Micro House International (303) 443-3388. All rights reserved. Including the right of reproduction in any form.
2 The Micro House Encyclopedia of Main Boards
AQUARIUS SYSTEMS, INC. ASI-486T
USER CONFIGURABLE SETTINGS Function í Power good signal detect from power supply Power good signal detect from board í Factory configured - do not alter í Factory configured - do not alter í Factory configured - do not alter í Factory configured - do not alter í Factory configured - do not alter
Jumper JP2 JP2 TP2 TP3 TP4 TP5 TP6
DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(4) 256K x 9
NONE
2MB
(4) 256K x 9
(4) 256K x 9
3MB
(4) 256K x 9
(4) 256K x 9
4MB
(4) 256K x 9
(4) 256K x 9
4MB
(4) 1M x 9
NONE
8MB
(4) 1M x 9
(4) 1M x 9
12MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
32MB
(4) 4M x 9
(4) 4M x 9
48MB
(4) 4M x 9
(4) 4M x 9
64MB
(4) 4M x 9
(4) 4M x 9
Note: Bank 2 and Bank 3 are located on the external memory card.
Bank 2 NONE NONE (4) 256K x 9 (4) 256K x 9 NONE NONE (4) 1M x 9 (4) 1M x 9 NONE NONE (4) 4M x 9 (4) 4M x 9
. . . continued from previous page
Position pins 1 & 2 closed pins 2 & 3 closed pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed
Bank 3 NONE NONE NONE (4) 256K x 9 NONE NONE NONE (4) 1M x 9 NONE NONE NONE (4) 4M x 9
Speed 25MHz 33MHz
CPU SPEED CONFIGURATION
JP4 pins 1 & 2 closed pins 2 & 3 closed
B
B
TAG
A N
A N
K
K
1
0
RN1
RN2
RN3
BANK 3
MH2968A
BANK 2
EXTERNAL MEMORY CARD Continued on next page. . .
Copyright © 1994, 1995, Micro House International (303) 443-3388. All rights reserved. Including the right of reproduction in any form.
The Micro House Encyclopedia of Main Boards 3
AQUARIUS SYSTEMS, INC. ASI-486T
. . . continued from previous page
Size 64KB 128KB 256KB
CACHE CONFIGURATION
Bank 0
Bank 1
(4) 8K x 8
(4) 8K x 8
(4) 32K x 8
NONE
(4) 32K x 8
(4) 32K x 8
TAG (2) 16K x 4 (2) 64K x 4 (2) 64K x 4
Size 64KB 128KB 256KB
CACHE RESISTER CONFIGURATION
RN1
RN2
Installed
Not installed
Not installed
Installed
Not installed
Not installed
RN3 Not installed Not installed
Installed
Copyright © 1994, 1995, Micro House International (303) 443-3388. All rights reserved. Including the right of reproduction in any form.
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