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# ELITEGROUP COMPUTER SYSTEMS, INC.
SA486VP
Processor 80486SX/80487SX/80486DX/80486DX2/P24T
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set Unidentified
Maximum Onboard 128MB
Memory
Cache 128/256/512KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2), 32-bit PCI
slots (4)
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------+-------+-------------------------+-----------|
| Turbo LED | J3 | Power LED & keylock | J7 |
|--------------+-------+-------------------------+-----------|
| Reset switch | J5 | 32-bit PCI slots | PC1 - PC4 |
|--------------+-------+-------------------------+-----------|
| Speaker | J6 | 32-bit VESA local bus | SL1 & SL2 |
| | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+-------+------------|
| » | Factory configured - do not alter | JP7 | N/A |
|---+-----------------------------------+-------+------------|
| » | Monitor type select color | JP8 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP8 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP9 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP10 | N/A |
|---+-----------------------------------+-------+------------|
| » | BIOS type select EPROM | JP11 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select flash | JP11 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP13 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP16 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP18 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP27 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP28 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP29 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP32 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP33 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP34 | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 2M x 36 | (1) 2M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 2M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 26MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 4M x 36 | (1) 4M x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 256K x | (1) 256K x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 8M x 36 | (1) 8M x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 512K x | (1) 512K x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 8M x 36 | (1) 8M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 8M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SIZE |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | None | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | None | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER |
|------------------------------------------------------------|
| Size | JP14 | JP15 | JP22 | JP23 |JP24 |JP25 | JP30 | JP31 |
|------+------+------+------+------+-----+-----+------+------|
|128KB | Open | Open |1 & 2 |2 & 3 |1 & 2|1 & 2| Open | Open |
|------+------+------+------+------+-----+-----+------+------|
|256KB |Closed| Open |1 & 2 |1 & 2 |1 & 2|2 & 3|Closed| Open |
|------+------+------+------+------+-----+-----+------+------|
|512KB |Closed|Closed|1 & 2 |1 & 2 |1 & 2|1 & 2|Closed|Closed|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE |
|------------------------------------------------------------|
| Setting | JP26 |
|----------------------------+-------------------------------|
| 80486SX | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 80487SX | Pins 1 & 2, 3 & 4 closed |
|----------------------------+-------------------------------|
| 80486DX | Pins 1 & 2, 3 & 4 closed |
|----------------------------+-------------------------------|
| 80486DX2 | Pins 1 & 2, 3 & 4 closed |
|----------------------------+-------------------------------|
| P24T | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED |
|------------------------------------------------------------|
| Setting | JP17 | JP19 | JP20 | JP21 |
|---------+--------+--------+-------------------+------------|
| 25MHz | Closed | Closed | Pins 2 & 3 closed | Pins 2 & 3 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 33MHz | Closed | Open | Pins 1 & 2 closed | Pins 2 & 3 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 50iMHz | Closed | Closed | Pins 2 & 3 closed | Pins 2 & 3 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 66iMHz | Closed | Open | Pins 1 & 2 closed | Pins 2 & 3 |
| | | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS |
|------------------------------------------------------------|
| Setting | JP12 | JP35 |
|------------------+--------------------+--------------------|
| Enabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GREEN PC SENSE 1 |
|------------------------------------------------------------|
| IRQ | JP1 |
|----------------------------+-------------------------------|
| » | IRQ7 | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | IRQ10 | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | IRQ11 | Pins 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GREEN PC SENSE 2 |
|------------------------------------------------------------|
| IRQ | JP2 |
|----------------------------+-------------------------------|
| » | IRQ5 | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | IRQ9 | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ (INT A) |
|------------------------------------------------------------|
| IRQ | JP3 | JP4 | JP5 |
|-----------+----------------+---------------+---------------|
| | IRQ10 | N/A | N/A | Pins 1 & 2 |
| | | | | closed |
|---+-------+----------------+---------------+---------------|
| » | IRQ11 | N/A | Pins 1 & 2 | N/A |
| | | | closed | |
|---+-------+----------------+---------------+---------------|
| | IRQ15 | Pins 1 & 2 | N/A | N/A |
| | | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ (INT B) |
|------------------------------------------------------------|
| IRQ | JP6 |
|----------------------------+-------------------------------|
| » | IRQ7 | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | IRQ9 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ (INT C) |
|------------------------------------------------------------|
| IRQ | JP3 | JP4 | JP5 |
|-----------+----------------+---------------+---------------|
| | IRQ10 | N/A | N/A | Pins 2 & 3 |
| | | | | closed |
|---+-------+----------------+---------------+---------------|
| | IRQ11 | N/A | Pins 2 & 3 | N/A |
| | | | closed | |
|---+-------+----------------+---------------+---------------|
| » | IRQ15 | Pins 2 & 3 | N/A | N/A |
| | | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ (INT D) |
|------------------------------------------------------------|
| Note: INT D is hardwired to IRQ14. |
+------------------------------------------------------------+