Specifications
PC/II+p Board Technical Reference Manual 16
MT002615 ©1999-2001, Megatel Computer Corporation
PC Speaker Output: Available on Mass I/O connector
Memory Bus: 64-Bit Data bus
Address Bus: 32-Bit Address bus
Power Monitoring: Dual 5% monitor – 5V rail and on-board 3.3V
Reset hold time – 130 ms minimum, 200 ms typical
Transient voltage immunity
Manual Reset: Available on Mass I/O Connector
Debounced, generates minimum of 130ms reset on Low to High
Initiated by pulling Manual Reset signal line Low, then High
Memory: SDRAM (soldered) memory
Minimum System Memory 32 MB (soldered SDRAM)
Maximum System Memory 64 MB (soldered SDRAM)
SDRAM – 66 MHz (10 ns) typical
Memory Options: SDRAM Soldered-down: 32 or 64 MB
Keyboard: PS/2-style Keyboard supported
Mouse: PS/2-style Mouse supported
Printer/Parallel Port: (1) Full ECP / EPP / PS2 / SPP / 1284-style Parallel Port supported
Supports Standard mode
Supports IBM PC/XT, PC/AT and PS2 Bi-directional mode
Supports Enhanced mode
Supports Enhanced Parallel Port (EPP) mode
Supports High Speed mode
Supports Extended Capabilities Port (ECP) mode
Includes Protection Circuit (Printer Powered Up or at higher voltage)
Serial/RS232 Ports: (1) or (2) high performance 16550-compatible UARTs
16-byte Send/Receive FIFOs
Supports baud rates to 460 K-baud using 24 MHz Clock Divided by 13
(1.8462 MHz reference is divided by Divisor to generate
16x Clock)
Full EIA-RS232E and CCITT V.28 Transceivers included
Output swing ±9V with all Transmitter Outputs
loaded with 3K ohms to Ground
ATA/IDE Hard Drives: Integrated 2-Channel Dedicated PCI IDE Ultra 33 Master Controller
Supports up to 4 IDE devices
Supports Ultra 33 Sync DMA mode transfers up to 33 MBytes/S
Supports DMA Mode 2 Timing
Supports PIO Modes up to Mode 5 Timing
Supports Multiword DMA Mode 0,1,2 with independent timing
- 4 Drives
Supports dedicated Pins of ATA interface for Each Channel
Flash Disk: Socket for user-supplied solid-state disk (32 Pin DIP)
Supports M-System Disk-on-Chip®
(up to 144 MB or greater of flash disk memory module, user-populated)