ARNOS INSTRUMENTS & COMPUTER SYSTEMS, INC.
386C MK III
Processor |
80386DX |
Processor Speed |
33/40MHz |
Chip Set |
None |
Max. Onboard DRAM |
16MB |
Cache |
64/128/256KB |
BIOS |
Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
X4 |
Turbo switch |
X11 |
Status display |
X6 |
Reset switch |
X15 |
Speaker |
X7 |
Turbo LED |
X16 |
Power LED & keylock |
X8 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
Battery installed < 5VDC |
S1 |
pins 1 & 2 closed | |
Battery installed > 5VDC |
S1 |
pins 2 & 3 closed | |
CPU speed select switchable at keyboard |
S2 |
pins 1 & 2 closed | |
CPU speed select switchable at turbo switch |
S2 |
pins 2 & 3 closed | |
Monitor type select monochrome |
S3 |
Open | |
Monitor type select color |
S3 |
Closed | |
NPU disabled |
SW1/1 |
Off | |
NPU enabled |
SW1/1 |
On |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
DRAM SWITCH CONFIGURATION | |||
Size |
SW1/2 |
SW1/3 |
SW1/4 |
1MB |
On |
On |
On |
2MB |
On |
On |
Off |
4MB |
On |
Off |
On |
8MB |
On |
Off |
Off |
16MB |
Off |
On |
On |
CACHE CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
TAG (D52) |
TAG (D56) |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
NONE |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
Note: Bank 0 = D17, D27, D35, & D39. Bank 1 = D9, D26, D28, & D44. |