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# DTK COMPUTER, INC.
PKM-0038S (VER. 6.03)
Processor CX486S/UMCU5/80486SX/SL80486SX/CX486DX/80486DX/
SL80486DX/CX486DX2/TI486DX2/AM486DX2/80486DX2/
(SL)AM486DX2(SV8B)/SL80486DX2/IBM486-4V3011GIC/
IBM4864V3100GC/CX486DX4/AM486DX4/(SL)AM486DX4(SV8B)/
80486DX4/P24C/P24D/P24T/CX5X86/AMK5
Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed 100(internal)/120(internal)/133(internal)MHz
Chip Set Unidentified
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512KB
BIOS Award
Dimensions 250mm x 218mm
I/O 32-bit VESA local bus slots (3), green PC connector
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J1 | Reset switch | J6 |
|-------------------+----------+------------------+----------|
| Green PC | J2 | Power LED & | J7 |
| connector | | keylock | |
|-------------------+----------+------------------+----------|
| Turbo switch | J3 | Green PC | JP26 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Turbo LED | J4 | Green PC LED | JP27 |
|-------------------+----------+------------------+----------|
| Speaker | J5 | 32-bit VESA | SL1 - |
| | | local bus slots | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Turbo enabled | J3 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Turbo disabled | J3 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP16 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP16 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Monitor type select | JP17 | Open |
| | monochrome/EGA/VGA | | |
|---+-----------------------------------+-------+------------|
| | Monitor type select CGA | JP17 | Closed |
|---+-----------------------------------+-------+------------|
| » | CPU clock delay select CLKIN | JP20 | Pins 2 & 3 |
| | delayed for CPUCLK | | closed |
|---+-----------------------------------+-------+------------|
| | CPU clock delay select CLKIN = | JP20 | Pins 1 & 2 |
| | CPUCLK | | closed |
|---+-----------------------------------+-------+------------|
| » | BIOS type select EPROM | JP37 | Open |
|---+-----------------------------------+-------+------------|
| | Flash BIOS type select 12v | JP37 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS type select 5v | JP37 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+---------------+-------------+------------+----------|
| 1MB | (1) 256K x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 256K x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 512K x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 512K x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 5MB | (1) 256K x 36 | (1) 1M x 36 | None | None |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | None |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 512K x 36 | (1) 1M x 36 | None | None |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | None |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 10MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | None | None |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 18MB | (1) 512K x | (1) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 65MB | (1) 256K x | (1) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 16M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 16M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 16M x | None |
| | | 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) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+-------------+-----------------|
| 128KB | (4) 32K x 8 | None | (1) 8K x 8 |
|------------+---------------+-------------+-----------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 16K/32K x 8 |
|------------+---------------+-------------+-----------------|
| 256KB (B) | (4) 64K x 8 | None | (1) 16K/32K x 8 |
|------------+---------------+-------------+-----------------|
| 512KB | (4) 128K x 8 | None | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP3 | JP33 |
|------------+---------------+-----------------+-------------|
| 128KB | Pins 1 & 2 | Pins 1 & 2, 3 & | Pins 2 & 3 |
| | closed | 4 closed | closed |
|------------+---------------+-----------------+-------------|
| 256KB (D) | Pins 2 & 3 | Pins 2 & 3, 4 & | Pins 2 & 3 |
| | closed | 5 closed | closed |
|------------+---------------+-----------------+-------------|
| 256KB (S) | Pins 1 & 2 | Pins 1 & 2, 3 & | Pins 1 & 2 |
| | closed | 4 closed | closed |
|------------+---------------+-----------------+-------------|
| 512KB | Pins 1 & 2 | Pins 1 & 2, 3 & | Pins 2 & 3 |
| | closed | 4 closed | closed |
|------------------------------------------------------------|
| Note: Cache size 256KB (D) is double bank. Size 256KB (S) |
| is single bank. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TAG JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Cache size | TAG size | JP2 | JP4 |
|-------------+--------------------+------------+------------|
| 128KB | (1) 8K x 8 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
|-------------+--------------------+------------+------------|
| 256KB (S/D) | (1) 16K x 8 (Not | Pins 3 & 4 | Open |
| | Winbond) | closed | |
|-------------+--------------------+------------+------------|
| 256KB (S/D) | (1) 16K x 8 | Pins 2 & 3 | Pins 1 & 2 |
| | (Winbond) | closed | closed |
|-------------+--------------------+------------+------------|
| 256KB (S/D) | (1) 32K x 8 | Pins 2 & 3 | Pins 1 & 2 |
| | | closed | closed |
|-------------+--------------------+------------+------------|
| 512KB | (1) 32K x 8 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AV9107) |
|------------------------------------------------------------|
| Speed | JP5 | JP6 | JP7 |
|---------------+--------------+--------------+--------------|
| 20MHz | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 25MHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 33MHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 40MHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 50iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 50MHz | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 66iMHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 75iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 80iMHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 100iMHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 120iMHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 133iMHz | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (MX8315) |
|------------------------------------------------------------|
| Speed | JP5 | JP6 | JP7 |
|---------------+--------------+--------------+--------------|
| 20MHz | Open | Open | Open |
|---------------+--------------+--------------+--------------|
| 25MHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 33MHz | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 40MHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 50iMHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 50MHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 66iMHz | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 75iMHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 80iMHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 100iMHz | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 120iMHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 133iMHz | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP8 | JP10 | JP11 | JP12 |
|-------------------+----------+-------+----------+----------|
| CX486S | 2 & 3 | 2 & 3 | Open | 2 & 3, 4 |
| | | | | & 5 |
|-------------------+----------+-------+----------+----------|
| UMC U5 | 1 & 2, 3 | 2 & 3 | 1 & 2, 3 | Open |
| | & 4 | | & 4 | |
|-------------------+----------+-------+----------+----------|
| 80486SX | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+----------+-------+----------+----------|
| SL80486SX | 2 & 3 | 2 & 3 | Open | 3 & 4 |
|-------------------+----------+-------+----------+----------|
| CX486DX | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| 80486DX | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| SL80486DX | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| CX486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| CX486DX2-66 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 |
| (3.6v) | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| CX486DX2-80 (4v) | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| TI486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| AM486DX2 (3.45v) | 1 & 2, 3 | 2 & 3 | 3 & 4 | Open |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| 80486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| (SL)AM486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 1 & 2, 3 |
| (SV8B) | & 4 | | | & 4 |
|-------------------+----------+-------+----------+----------|
| SL80486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| IBM486-4V3011GIC | 1 & 2, 3 | 2 & 3 | 3 & 4 | 1 & 2, 3 |
| | & 4 | | | & 4 |
|-------------------+----------+-------+----------+----------|
| IBM486-4V3100GC | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| CX486DX4 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| AM486DX4 (3.45v) | 1 & 2, 3 | 2 & 3 | 3 & 4 | Open |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| (SL)AM486DX4 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 1 & 2, 3 |
| (SV8B) | & 4 | | | & 4 |
|-------------------+----------+-------+----------+----------|
| 80486DX4 | 1 & 2, 3 | 1 & 2 | 3 & 4 | 1 & 2, 3 |
| | & 4 | | | & 4 |
|-------------------+----------+-------+----------+----------|
| P24C | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| P24D | 1 & 2, 3 | 1 & 2 | 3 & 4 | 1 & 2, 3 |
| | & 4 | | | & 4 |
|-------------------+----------+-------+----------+----------|
| P24T | 1 & 2, 3 | 1 & 2 | 2 & 3 | 3 & 4 |
| | & 4 | | | |
|-------------------+----------+-------+----------+----------|
| CX5X86 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 1 & 2, 3 |
| | & 4 | | | & 4 |
|-------------------+----------+-------+----------+----------|
| AM X5 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 1 & 2, 3 |
| | & 4 | | | & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP13 | JP14 | JP15 | JP21 | JP22 |
|-------------------+-------+--------+-------+-------+-------|
| CX486S | Open | 1 & 2, | 2 & 3 | 1 & 2 | 2 & 3 |
| | | 3 & 4 | | | |
|-------------------+-------+--------+-------+-------+-------|
| UMC U5 | Open | Open | Open | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486SX | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| SL80486SX | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX | Open | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| SL80486DX | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX2 | Open | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX2-66 | Open | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
| (3.6v) | | | | | |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX2-80 (4v) | Open | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| TI486DX2 | Open | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX2 (3.45v) | Open | Open | Open | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX2 | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| (SL)AM486DX2 | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 |
| (SV8B) | | | | | |
|-------------------+-------+--------+-------+-------+-------|
| SL80486DX2 | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| IBM486-4V3011GIC | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| IBM486-4V3100GC | Open | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX4 | Open | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX4 (3.45v) | Open | Open | Open | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| (SL)AM486DX4 | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 |
| (SV8B) | | | | | |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX4 | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| P24C | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| P24D | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| P24T | Open | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| CX5X86 | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| AM X5 | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP24 | JP25 | JP30 | JP31 |
|----------------------+---------+---------+---------+-------|
| CX486S | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| UMC U5 | 3 & 4 | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| 80486SX | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| SL80486SX | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| CX486DX | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| 80486DX | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| SL80486DX | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| CX486DX2 | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| CX486DX2-66 (3.6v) | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| CX486DX2-80 (4v) | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| TI486DX2 | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| AM486DX2 (3.45v) | Open | Open | 2 & 3 | Open |
|----------------------+---------+---------+---------+-------|
| 80486DX2 | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| (SL)AM486DX2 (SV8B) | Open | Open | 1 & 2 | 1 & 2 |
|----------------------+---------+---------+---------+-------|
| SL80486DX2 | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| IBM486-4V3011GIC | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----------------------+---------+---------+---------+-------|
| IBM486-4V3100GC | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| CX486DX4 | 2 & 3 | 2 & 3 | Open | Open |
|----------------------+---------+---------+---------+-------|
| AM486DX4 (3.45v) | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| (SL)AM486DX4 (SV8B) | Open | Open | 1 & 2 | 1 & 2 |
|----------------------+---------+---------+---------+-------|
| 80486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----------------------+---------+---------+---------+-------|
| P24C | Open | Open | Open | Open |
|----------------------+---------+---------+---------+-------|
| P24D | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----------------------+---------+---------+---------+-------|
| P24T | 1 & 2 | 1 & 2 | Open | Open |
|----------------------+---------+---------+---------+-------|
| CX5X86 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----------------------+---------+---------+---------+-------|
| AM X5 | 5 & 6 | Open | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP34 | JP35 | JP36 | JP38 |
|----------------------+---------+----------+--------+-------|
| CX486S | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| UMC U5 | 2 & 3 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| 80486SX | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| SL80486SX | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| CX486DX | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| 80486DX | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| SL80486DX | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| CX486DX2 | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| CX486DX2-66 (3.6v) | 1 & 2 | Open | 1 & 2 | Open |
|----------------------+---------+----------+--------+-------|
| CX486DX2-80 (4v) | 1 & 2 | Open | 2 & 3 | Open |
|----------------------+---------+----------+--------+-------|
| TI486DX2 | 1 & 2 | Open | Open | 2 & 3 |
|----------------------+---------+----------+--------+-------|
| AM486DX2 (3.45v) | Open | Open | Open | 2 & 3 |
|----------------------+---------+----------+--------+-------|
| 80486DX2 | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| (SL)AM486DX2 (SV8B) | 1 & 2 | Open | Open | 2 & 3 |
|----------------------+---------+----------+--------+-------|
| SL80486DX2 | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| IBM486-4V3011GIC | 1 & 2 | Open | Open | 1 & 2 |
|----------------------+---------+----------+--------+-------|
| IBM486-4V3100GC | 1 & 2 | Open | Open | 2 & 3 |
|----------------------+---------+----------+--------+-------|
| CX486DX4 | 1 & 2 | Open | Open | 2 & 3 |
|----------------------+---------+----------+--------+-------|
| AM486DX4 (3.45v) | Open | Open | Open | 2 & 3 |
|----------------------+---------+----------+--------+-------|
| (SL)AM486DX4 (SV8B) | 1 & 2 | Open | Open | 2 & 3 |
|----------------------+---------+----------+--------+-------|
| 80486DX4 | 1 & 2 | Open | Open | 1 & 2 |
|----------------------+---------+----------+--------+-------|
| P24C | 1 & 2 | Open | Open | 1 & 2 |
|----------------------+---------+----------+--------+-------|
| P24D | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| P24T | 1 & 2 | Closed | Open | Open |
|----------------------+---------+----------+--------+-------|
| CX5X86 | 1 & 2 | Open | Open | 1 & 2 |
|----------------------+---------+----------+--------+-------|
| AM X5 | 1 & 2 | Open | Open | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS WAIT STATE SELECTION |
|------------------------------------------------------------|
| Setting | JP28 |
|----------------------------+-------------------------------|
| | 0 | Pins 1 & 2 closed |
|----+-----------------------+-------------------------------|
| » | 1 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS SPEED SELECTION |
|------------------------------------------------------------|
| Setting | JP29 |
|----------------------------+-------------------------------|
| | <= 33MHz | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| » | >33 MHz | Pins 2 & 3 closed |
+------------------------------------------------------------+