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SECTION 2
SPECIFICATIONS
2.1 PT-429G System Board Specifications
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100% IBM AT compatible.
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Applied High performance CMOS technology.
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Supports up to 48MB memory on board.
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Mix 256K, lM, and 4M SIMM (8 bit/32 bit) Module DRAM memory
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32K, 64K, 128K, 256K cache memory size selectable.
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Fast CPU reset and Fastgate A20 logic.
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Speed switching with hardware and software selection.
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Board size 220 mm by 250
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Six 16-bit ISA slots; one S-bit ISA slot.
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Three VESA slots (Master Mode).
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Clock chip design makes CPU speed changing easier.
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I/O slot signal protector on: IRQ9, DRQ2, OWS#.
Green feature to slow down CPU speed & control 4 external Green devices.
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2.2 Jumpers and Connectors
Jumpers / Connector
Pl
J3
J4
JPl3-JPI 7
.
mm.
Power Supply Connector
Keyboard Connector
External Battery Connector
Reset Switch
Turbo Switch
Turbo LED Connector
Speaker Connector
Power LED & Kevlock Connector
Green AUX # 1 Connector
On-board Battery Enable Connector
Power Good Select
VGA Card Select
Master Mode Select
CPURDY# Delav I-T Select
PADS# Delay 1-T Select
Test Logic Enable Select
Clock Chip Speed Select
VESA Speed Select
Cache Size Select
CPU Type Select
VESA Wait State Select
Bank of SIMM Select
Green AUX # 2 Connector
Green Enable Switch
MEGA/MULTI KEY Select
7
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