PT-5IV
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 82430VX PCIset (82437VX, 82438VX, 82371SB)
I/O Chipset
UMC UM8669F (or SMC FDC37C669, or ALI M5113).
System Clock
50/55/60/66.6 MHz adjustable.
Memory
DRAM : Two banks, each bank could be single or double sided, 8MB up to 128 MB.
Supports fast page mode (FPM), Extended Data Out (EDO) and SDRAM
(synchronous) memory. (Using modules 72-pin SIMM
x
4 and 168-pin DIMM
x
1).
5 Qword deep merging DRAM write buffer.
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.
BIOS
AWARD or AMI System BIOS. 128KB
x
8, Flash ROM. (Plug & Play BIOS)
Expansion Slots
PCI Slots : 32-bit
x
3 (All Master/Slave, PCI Spec. Rev. 2.1 Compliant)
ISA Slots : 16-bit
x
4
IDE Ports
Two channels PIO and Bus Master Enhanced PCI IDE port, maximum could be connected 4
IDE Hard Disk and ATAPI CD-ROM device.
2-1
