- BIOS ID String ????????? <--- please send yours in

- 8-30 pin SIMM slots (1-32meg FPM DRAM)
- 1-32bit external memory card slot
- 7-16bit ISA slots
- 1-8bit XT slot
- 64-256k cache support in 8-28pin sockets + 2 TAG RAM sockets
- AMI 1992 Auto-Detect Bios.
- OPTi 82C495 chipset <--- please confirm
- NPU socket for 4167
- One 237/238 ZIF CPU socket which supports these processors:
INTEL 80487SX,80486SX/DX/DX2
- Supports speeds of 25/33/40/50/66(internal)MHz.
- Manufactured by: TMC Research Corporation USA

==View or Print jumper settings using Fixedsys or New Courier fonts==

PAT48PX (LOCAL BUS) 486 Motherboard

- 8-30 pin SIMM slots (1-32meg FPM DRAM)
- 1-32bit external memory card slot
- 7-16bit ISA slots
- 1-8bit ISA slot
- 64-256k cache support in 8-28pin sockets + 2 TAG RAM sockets
- AMI 1992 Auto-Detect Bios.
- OPTi 82C495 chipset <--- please confirm
- NPU socket for 4167
- One 237/238 ZIF CPU socket which supports these processors:
INTEL 80487SX,80486SX/DX/DX2
- Supports speeds of 25/33/40/50/66(internal)MHz.
- Manufactured by: TMC Research Corporation USA
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CONNECTIONS
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Purpose Location Purpose Location
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External battery J10 IDE LED in J23 10+20
Speaker J23 1-4 Power LED + keylock J23 11-15
Turbo switch J23 7+17 [DE LED out JP12
Turbo LED J23 8+18 32-bit local bus card LB1 + LB2
Reset switch J23 9+19 32-bit external memory card S1
Note: Local bus slots may also be used as normal ISA slots.
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USER CONFIGURABLE SETTINGS
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Function Jumper Position
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*Monitor type select color JP1 Closed
Monitor type select monochrome JP1 Open
*CMOS memory normal operation (internal battery) JP2 2 + 3
CMOS memory normal operation (external battery at J4) JP2 Open
CMOS memory clear JP2 1 + 2
*Bus speed select CLKIN/4 JP3 Open
Bus speed select CLKIN/6 JP3 Closed
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DRAM CONFIGURATION
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Size Bank 0 Bank 1
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1MB (4)256Kx9 NONE
2MB (4)256Kx9 (4)256Kx9
4MB (4)1Mx9 NONE
5MB (4)256Kx9 (4)1Mx9
8MB (4)1Mx9 (4)1Mx9
16MB (4)4Mx9 NONE
20MB (4)4Mx9 (4)1Mx9
32MB (4)4Mx9 (4)4Mx9
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CACHE CONFIGURATION
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Size Bank 0 Bank 1 TAG (U33) TAG (U34) Resistor
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64KB (4)8Kx8 (4)8Kx 8 (1)4Kx1 (1)8Kx8 RND
64KB (4)8Kx8 (4)8Kx 8 (1)16Kx1 (1)8Kx8 RND
64KB (4)8Kx8 (4)8Kx 8 (1)64Kx1 (1)8Kx8 RND
128KB (4)32Kx8 NONE (1)16Kx1 (1)8Kx8 RNF
128KB (4)32Kx8 NONE (1)64Kx1 (1)8Kx8 RNF
256KB (4)32Kx8 (4)32Kx8 (1)16Kx1 (1)32Kx8 RNE
256KB (4)32Kx8 (4)32Kx8 (1)64Kx1 (1)32Kx8 RNE
Notes:If DRAM is =< 16MB, all cache sizes may be installed,
if DRAM is > 16MB and =< 32MB, 128 or 256KB cache must be installed,
if DRAM > 32MB, 256KB cache must be installed.
(Memory > 32MB would be installed on the proprietary external memory card.)
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CPU TYPE CONFIGURATION
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Type RNA RNB RNC
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80486SX Not installed Not installed Installed
80487SX Not installed Installed Not installed
ODP486SX Not installed Installed Not installed
80486DX Installed Not installed Not installed
80486DX2 Installed Not installed Not installed
=================END OF DATA ON PAT48PX (LOCAL BUS)========================

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