PT-5IH
SYSTEM BOARD
SPECIFICATIONS
2. SPECIFICATIONS
CPU
Intel : Pentium processor and OverDrive processor (P54C/P54CS/P54CT/P55C/P55CT)
75/90/100/120/133/150/166 MHz and 180/200 MHz. (ideally)
Cyrix : 6x86-P120+(100MHz) / P133+(110MHz) / P150+(120MHz) / P166+(133MHz).
AMD : 5
k
86-P75(
SSA/5-66
)/ P75(
SSA/5-75
)/ P90(
SSA/5-83
)/ P90(
SSA/5-90
)/ P100(
SSA/5-100
)
CPU VCC
(1). CPU I/O voltage
: Supports Standard, VR and VRE specification.
(2). CPU CORE voltage : Supports "egual to CPU I/O voltage", "+2.5V " and "+2.8V" DC
WORD SIZE
Data Path : 8-bit, 16-bit, 32-bit, 64-bit
PC System Chipset
Intel 82430HX PCIset (82439HX, 82371SB)
I/O Chipset
Winbond W83877F (or SMC FDC37C669 or UMC UM8669F).
System Clock
50/55/60/66.6 MHz adjustable.
Memory
DRAM : Two banks, each bank could be single or double sided, 8MB up to 256 MB.
Supports both fast page mode (FPM) and Extended Data Out (EDO) memory
(Using 72-pin SIMM module). 8 Qword deep merging DRAM write buffer.
Optional Parity or ECC (Error Checking and Correction).
SRAM : Two banks, 256/512KB Direct-Mapped wirte back cache memory, supports on-
board 256KB or 512KB pipelined burst SRAM. One SRAM Module Slot for
upgrading to 512KB. Cacheability main memory size up to 512 MB.
BIOS
AWARD or AMI System BIOS. 128KB
x
8, Flash ROM. (Plug & Play BIOS)
Expansion Slots
PCI Slots : 32-bit
x
4 (All Master/Slave, PCI Spec. Rev. 2.1 Compliant)
ISA Slots : 16-bit
x
3
IDE Ports
Two channels PIO and Bus Master PCI IDE port, maximum could be connected 4 IDE Hard
Disk and ATAPI CD-ROM device.
2-1
