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# AUVA COMPUTER, INC.
BABY 80386 TAM/20-C3
Processor 80386DX
Processor Speed 20MHz
Chip Set C&T
Max. Onboard DRAM 16MB (2MB on board)
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card (2)
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+-----------------------+----------|
| Reset switch | JP1 | Turbo switch | JP5 |
|--------------+----------+-----------------------+----------|
| Speaker | JP2 | External battery | JP16 |
|--------------+----------+-----------------------+----------|
| Turbo LED | JP3 | 32-bit external | SL1 & |
| | | memory card | SL2 |
|--------------+----------+-----------------------+----------|
| Power LED & | JP4 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Pipeline mode enabled | JP6 | Closed |
|---+--------------------------------+--------+--------------|
| | Pipeline mode disabled | JP6 | Open |
|---+--------------------------------+--------+--------------|
| » | BIOS type select 27256 | JP15 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | BIOS type select 27512 | JP15 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP17 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP17 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | JP18 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP18 | Open |
|---+--------------------------------+--------+--------------|
| » | CMOS memory (Internal Battery) | JP22 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory (External Battery) | JP22 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CLOCK SPEED CONFIGURATION |
|------------------------------------------------------------|
| NPU Speed | JP7 | JP8 |
|--------------------+-------------------+-------------------|
| Synchronous | Open | Open |
|--------------------+-------------------+-------------------|
| Asynchronous | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP13 | JP14 |
|-------------------+--------------------+-------------------|
| 80387 | Closed | Closed |
|-------------------+--------------------+-------------------|
| None | Open | Open |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
|Size | Bank 0 | Bank 1 | Bank 0 | Bank 1 | Bank 0 | Bank 1 |
| | | | (C1) | (C1) | (C2) | (C2) |
|-----+---------+--------+--------+--------+--------+--------|
|1MB/1| (8) | NONE | NONE | NONE | NONE | NONE |
| | 411000 | | | | | |
|-----+---------+--------+--------+--------+--------+--------|
|1MB/2| NONE | NONE | (18) | NONE | NONE | NONE |
| | | | 41256 | | | |
|-----+---------+--------+--------+--------+--------+--------|
|2MB/1| (8) | (8) | NONE | NONE | NONE | NONE |
| | 411000 | 411000 | | | | |
|-----+---------+--------+--------+--------+--------+--------|
|2MB/2| NONE | NONE | (18) | (18) | NONE | NONE |
| | | | 41256 | 41256 | | |
|-----+---------+--------+--------+--------+--------+--------|
|4MB/1| (8) | (8) | (18) | (18) | NONE | NONE |
| | 411000 | 411000 | 41256 | 41256 | | |
|-----+---------+--------+--------+--------+--------+--------|
|4MB/2| NONE | NONE | (18) | NONE | NONE | NONE |
| | | | 411000 | | | |
|-----+---------+--------+--------+--------+--------+--------|
|4MB/3| NONE | NONE | (18) | (18) | (18) | (18) |
| | | | 41256 | 41256 | 41256 | 41256 |
|-----+---------+--------+--------+--------+--------+--------|
| 8MB | NONE | NONE | (18) | (18) | NONE | NONE |
| | | | 411000 | 411000 | | |
|-----+---------+--------+--------+--------+--------+--------|
|10MB | (8) | (8) | (18) | (18) | NONE | NONE |
| | 411000 | 411000 | 411000 | 411000 | | |
|-----+---------+--------+--------+--------+--------+--------|
|16MB | NONE | NONE | (18) | (18) | (18) | (18) |
| | | | 411000 | 411000 | 411000 | 411000 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION (MAINBOARD) |
|------------------------------------------------------------|
| Size | JP11 | JP12 | JP24 | JP25 |
|-------+-------------+------------+------------+------------|
| 1MB/1 | Open | pins 1 & 2 | pins 1 & 2 | Open |
| | | closed | closed | |
|-------+-------------+------------+------------+------------|
| 1MB/2 | Open | Open | Open | Open |
|-------+-------------+------------+------------+------------|
| 2MB/1 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 2MB/2 | Open | Open | Open | Open |
|-------+-------------+------------+------------+------------|
| 4MB/1 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 4MB/2 | Open | Open | Open | Open |
|-------+-------------+------------+------------+------------|
| 4MB/3 | Open | Open | Open | Open |
|-------+-------------+------------+------------+------------|
| 8MB | Open | Open | Open | Open |
|-------+-------------+------------+------------+------------|
| 10MB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 16MB | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION (EMC/8M-C3) (CARD 1) |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP4 |
|-------+-------------+------------+------------+------------|
| 1MB/1 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 1MB/2 | Open | pins 1 & 2 | Open | pins 1 & 2 |
| | | closed | | closed |
|-------+-------------+------------+------------+------------|
| 2MB/1 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 2MB/2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 4MB/1 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 4MB/2 | Open | pins 1 & 2 | Open | pins 1 & 2 |
| | | closed | | closed |
|-------+-------------+------------+------------+------------|
| 4MB/3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 8MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 10MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 16MB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION (EMC/8M-C3) (CARD 2) |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP4 |
|-------+-------------+------------+------------+------------|
| 1MB/1 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 1MB/2 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 2MB/1 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 2MB/2 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 4MB/1 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 4MB/2 | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 4MB/3 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 8MB | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 10MB | N/A | N/A | N/A | N/A |
|-------+-------------+------------+------------+------------|
| 16MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARITY CHECK CONFIGURATION (MAINBOARD ONLY) |
|------------------------------------------------------------|
| Size | P0 | P1 |
|------------------+--------------------+--------------------|
| 1MB/1 | (4) 41256 | NONE |
|------------------+--------------------+--------------------|
| 2MB/1 | (4) 41256 | (4) 41256 |
|------------------+--------------------+--------------------|
| 4MB/1 | (4) 41256 | (4) 41256 |
|------------------+--------------------+--------------------|
| 10MB | (4) 41256 | (4) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| Note: NMB (AAA2801-8), Micron (MT1259-10), and Hyundai |
| (HY53C256LS) DRAM are inhibited on the |
| |
| EMC/8M-C3 RAM card. |
+------------------------------------------------------------+