2. FEATURES
Features of the Motherboard
The IN5598 motherboard integrates the Pentium
microprocessor, memory, I/O and is designed to fit
into a standard LPX form factor chassis. Page 12
illustrates the Layout for the IN5598 motherboard.
Below lists the key features provided by this
motherboard:
Processor/Cache
Processor
Intel/AMD 75 ~ 233 MHz
Cyrix 6X86 & 6X86L, PR120+ ~ 166+
Cyrix 6X86MX, PR133 ~ PR266
Cyrix MII 266~300
IDT-C6 150 ~ 225
Cache
0/512KB, Write Back Direct Mapped organization, Pipeline Burst
Cache soldered on the motherboard.
System Memory
Memory Size
8 MB minimum to 256 MB maximum.
Memory Sites
4 SIMM Sockets, Burst Mode Read-Write support.
DRAM Type
Supports EDO DRAM type can be 1M, 2M, 4M, 8M, 16M bit deep
by n bit wide DRAM’s, and both symmetrical and asymmetrical type
DRAM are supported. Supports both single and double sided.
Access Time
70ns or faster for FPM/EDO or 60ns or faster for SDRAM
Chipset
SiS5598 Pentium PCI/ISA Chipset.
Integrated Graphics
Graphics Controller
SiS5598 integrated VGA Controller.
Video Memory
UMA supports 0.5M ~ 4M EDO DRAM.
Integrated I/O
I/O Controller
Winbond W83877TF
Serial Ports
Two Asynch serial ports, two 9 Pin connectors using High Speed 16550
compatible ports with 16-byte FIFOs
Parallel Port
One 25 pin supporting EPP, ECP and Centronics
Hard Disk Controller
PCI Bus Mastering IDE. Native and Compatible Mode Support. IDE
Transfer with Scatter Gather. Multiword DMA Transfers Mode 0,1,2.
Enhanced IDE PIO Modes 3 & 4. Separate IDE Bus FIFOs for PCI
burst transfers. Supports Ultra DMA/33 Bus Master Programming
Interface for ATA windows 95 Compliant Controller. Plug and Play
Compatible.
Hard Disk Connector
2 PCI IDE Connectors for 4 Drives Support
Floppy Controller
1.2, 1.44 and 2.88 MB support