ROCKY – 538TXV - Vox Technologies
Contents
1. 6 2 23 LINPACKING cc meme bind e since ec tae 8 2 3 Setting the CPU of ROCKY 538TXV 0 9 2 4 System Memory 11 2 5 Watch Dog 2 2 12 2 6 DiskOnChip Flash 2 12 27 Clear cMOS Setup cse RORIS RE 14 2 8 Battery Backup for CMOS Setup 14 15 3 1 Floppy Disk Drive 15 3 2 PCI E IDE Disk Drive Connector 16 3 89 Parallel Port eter dent da Aedes 17 3 4 POrS nci tota Pte a te e 17 3 5 Keyboard 18 3 6 External Switches and Indicators 18 3 7 External Speaker Shane tet ER 19 3 8 5 2 Mouse 6 Pin Mini DIN Connector 19 3 9 External Battery Connector 2 2 2 20 3 10 USB Port Connector n EE Ec eave 20 3 11 IrDA Infrared Interface Port 20 3 12 VGA Conriector o dee RE Lapi cec 21 3 13 Ear ERAN ETUR 21 3 14 Chassis Open Alarm Connector 22 3 15 5V Standby Connector for ATX Power Supply 22 3 16 ATX Power Switch Soft Power Switch Connector 23 4 AWA2. 5 Grund JP5 RESET BUTTON 18 PIN NO DESCRIPTION 1 EXTERNAL RESET 2 GROUND e 02 IDE LED connector PIN NO 5V HDD ACTIVE 3 7 External Speaker The ROCKY 538TXV has its own buzzer you also can connect to the external speaker through the connector CN2 e CN2 Speaker Connector PIN NO DESCRIPTION Speaker Signal 3 8 PS 2 Mouse 6 pin Mini DIN Connector e CN1 PS 2 Mouse Connector DESCRIPTION MS DATA NC 19 3 9 External Battery Connector The ROCKY 538TXV built in a 3V 850mAH industrial Li battery for CMOS and RTC backup When normal operation will not need external battery to backup the data If want to connect the external battery you could take off the J9 s pin 1 2 jumper Then connect the external battery to pin 1 4 J9 External Battery Connector PIN NO DESCRIPTION External Battery 9 2 L3 NC 3 10 USB Port Connector The ROCKY 538TXV built in two USB ports for the future new I O bus expansion e J3 USBO J4 USB 1 3 11 IrDA Infrared Interface Port The ROCKY 538TXV built in a IrDA port which support Serial Infrared SIR or Amplitude Shift Keyed IR ASKIR interface When use the IrDA port have to set SIR or ASKIR model in the BIOS s Peripheral Setup s COM 2 Then the normal RS 232 COM 2 will be disabled e JP2 IrDA connector 20 PIN NO DESCRIPTION FIR RX 6 CRRX 3 12 VGA Connector The ROCKY 538TXV built in 15 p
3. Integrated Device Electronics hard disk drives to the ROCKY 538TXV IDE controller J1 IDE 1 Primary IDE Connector J5 IDE 2 Secondary IDE Connector e J1 J5 IDE Interface Connector 6 DAaTA9 7 8 DATAt0 9 DATA4 N C 16 3 3 Parallel Port This port is usually connected to a printer The ROCKY 538TXV includes an on board parallel port accessed through a 26 pin flat cable connector J6 e J6 Parallel Port Connector 6 ___ _ 8 _ DATAZ O ESESCEE FENCE 3 4 Serial Ports The ROCKY 538TXV offers two high speed NS16C550 compatible UARTs with Read Receive 16 byte FIFO serial ports CNS Serial Port DB 9 Connector ACEO 6 DSR 8 CLEARTOSEND CTS 9 X RNGINDICATOR RI J10 Serial Port 10 pin Header ACE1 17 5 6 ox s 7 DTR 8 R 9 00 NC 3 5 Keyboard Connector The ROCKY 538TXV provides two keyboard connectors e JP1 5 pin Header Keyboard Connector e CN4 6 pin Mini DIN Keyboard Connector PIN NO DESCRIPTION KEYBOARD DATA 4 n KEYBOARD CLOCK 60 NC 3 6 External Switches and Indicators There are many external switches and indicators for monitoring and controlling your CPU board e JP8 KeyLock and Power LED PINNO DESCRIPTION 3 Grund 2 4
4. ports NS16C550 compatible UARTs Bi directional Parallel Port 1 2 e IrDA port Support Serial Infrared SIR and Amplitude Shift Keyed IR ASKIR interface e USB port Support two USB ports for future expansion e Watch dog timer can set by 1 2 10 20 110 or 220 seconds period Reset or NMI was generated when CPU did not periodically trigger the timer Your program use hex 043 and 443 to control the watch dog and generate a system reset e Flash Disk DiskOnChip or PROMDISK Chip The Flash Disk provide 10096 compatible with hard disk The built in TrueFFS Transparent Flash Block Management and Space Reclamation will let customer to use the Flash Disk with DOS command no need any extra software utility e Keyboard connector e Mouse PS 2 Mouse Port on board Power Consumption 5V 9 4 6A Pentium MMX 200 16MB EDO RAM 12V 70mA 12V 20mA Operating Temperature 0 55 C CPU needs Cooler What You Have In addition to this User s Manual the ROCKY 538TXV package includes the following items e ROCKY 538TXV Pentium with Single Board Computer e RS 232 Printer Cable FDD HDD Cable e 6 pin Mini Din to 5 pin Din Keyboard Adapter Cable If any of these items is missing or damaged contact the dealer from whom you purchased the product Save the shipping materials and carton in case you want to ship or store the product in the future Installation This chapter describes how to install
5. reliable operation BootUp Sequence You could set the sequence of A C and CDROM Video BIOS Shadow 000 32 Enable Will increase the video speed Shadow C8000 CFFFF D0000 D7FFF amp D8000 DFFFF When the installed add on card s ROM address is as above address you could enable the shadow to get higher operation performance When you enable the shadow function it will also reduce the memory available by between 640KB and 1024KB 4 4 Chipset Features Setup This setup functions are almost working for ChipSet Intel 27 430TX These options are used to change the ChipSet s registers Please carefully change any default setting otherwise the system could be running un stable Auto Configuration Enable or Disable When use the 60nS general type DRAM please enable the setting to get the optimal timings SDRAM Speculative Read Enable or Disable When enable this option the PCU will send predict commands to the SDRAM if a miss happens the CPU will cancel this command Because some OS under certain situations have problem for this feature it is normally disable Memory Hole at 15M 16M Enable or Disable This setting reserve 15MB to 16MB memory address space for ISA expansion cards that specifically require this setting Memory from 15MB and up will be unavailable to the system because expansion cards can only access memory up to 16MB CPU Warring Temperature Disable 50 There have a LM75 temperature se
6. the ROCKY 538TXV At first the layout of ROCKY 538TXV is shown and the unpacking information that you should be careful is described The jumpers and switches setting for the ROCKY 538TXV s configuration such as CPU type selection system clock setting and watch dog timer are also included 2 1 ROCKY 538TXV s Layout reference next page 2 2 Unpacking Your ROCKY 538TXV Single Board Computer contains sensitive electronic components that can be easily damaged by static electricity In this section we describe the precautions you should take while unpacking as well as during installation It is very important that the instructions be followed correctly to avoid static damage and to successfully install the board The system board should be done on a grounded anti static mat The operator should be wearing an anti static wristband grounded at the same point as the anti static mat Inspect the cardboard carton for obvious damage Shipping and handling may cause damage to your board Be sure there are no shipping and handing damages on the board before processing After opening the cardboard carton exact the system board and place it only on a grounded anti static surface component side up Again inspect the board for damage Press down on all the socketed IC s to make sure that they are properly seated Do this only with the board place on a firm flat surface Note DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN D
7. 1V CLOSE OPEN OPEN OPEN 2 0V OPEN OPEN OPEN OPEN Dual Single CPU Voltage setting AMD K6 Cyrix 6x86MX Dual Voltage Vcore amp VIO JP11 JP12 JP13 JP14 Pentium CLOSE CLOSE OPEN OPEN P54C Pentium MMX OPEN OPEN CLOSE CLOSE 10 Cyrix 6x86MX PR Rating Table Vcore 2 9V dual voltage PR Rating Bus MHz CPU Core Clock MHz Multiplier 6x86MX PR133 50 100 2x 6x86MX PR133 55 110 2x 6x86MX PR150 60 120 2x 6x86MX PR150 50 125 2 5x 6x86MX PR166 66 133 2x 6x86MX PR166 55 138 2 5x 6x86MX PR166 50 150 3x 6x86MX PR166 60 150 2 5x 6x86MX PR200 55 165 3x 6x86MX PR200 66 166 2 5x 6x86MX PR200 60 180 3x 6x86MX PR233 66 200 3x 6x86MX PR266 66 233 3 5x AMD K6 MMX Rating Table dual voltage Product Name Freq Vcore Bus MHz Multiplier AMD K6 233 233 2 3 2 66 3 5x AMD K6 200 _ 200MHz 2 9V_ 66 3x AMD K6 166 166MHz 2 9V_ 66 2 5x 2 4 System Memory DRAM There are four 72 pin SIMM sockets to accept Paged EDO 1MB 2MB 4MB 8MB 16MB 32MB or 64MB memory modules The total capacity is from 2MB to 256MB Customers have to install at least 2pcs RAM module on board SIMM Socket 1 2 or 3 4 From right side to left side the SIMM sockets are SIMM 1 SIMM 2 SIMM 3 SIMM 4 There also have a 168 pin DIMM socket for SDRAM When install the 168 pin DIMM then will not allow to install 72 pin SIMM1
8. 3 14 close 2 JP15 Pin 3 4 Close main address 00000 3 JP15 Pin 5 6 Close main address D8000H Flash Chip D8000H Pin 7 8 close DCOOOH Pin 9 10 close DAOOOH Pin 11 12 close DEOOOH Pin 13 14 close 13 2 7 Clear CMOS Setup If want to clear the CMOS Setup for example forgot the password you should clear the setup and then set the password again you should close the JP17 pin 2 3 about 3 seconds then open again Set back to normal operation mode close pin 1 2 e JP17 Clear CMOS Setup Reserve Function DESCRIPTION Normal Operation Clear CMOS Setup 2 8 Battery Backup for CMOS Setup There have one 4 pin header J9 using for battery backup function When close the pin 1 2 will use the on board battery When use external battery you should take off the jumper and use the connector as external battery connector e J9 Battery Backup Function DESCRIPTION 1 2 CLOSE Using Internal Battery 3 4 OPEN 1 2 OPEN Use as External Battery 3 4 OPEN Connector 14 Connection This chapter describes how to connect peripherals switches and indicators to the ROCKY 538TXV board 3 1 Floppy Disk Drive Connector ROCKY 538TXV board equipped with a 34 pin daisy chain driver connector cable J2 CONNECTOR PIN NO DESCRIPTION DESCRIPTION 6 NIE e i INDEXE 9 GROUND 15 3 2 PCI E IDE Disk Drive Connector You can attach four IDE
9. AMAGED You are now ready to install your ROCKY 538TXV Single Board Computer 2 3 Setting the CPU of ROCKY 538TXV CPU Clock Setting CPU JP9 JP9 JP9 9 1 2 3 4 11 12 13 14 55MHz 60MHz OPEN OPEN OPEN OPEN CPU to Bus Multiple JP 9 JP9 JP9 5 6 7 8 9 10 CLOSE OPEN CPU Frequency CPU Clock x Multiplier for example Pentium 200MHz 66MHz CPU Clock x 3 e CPU Core Voltage Selection Please check the CPU Core Voltage before you install the CPU Right now new Intel MMX CPU is dual voltages for core and l O the I O is 3 3V but the core is 2 8V This kind of CPU design will enhance the low power consumption capability As for the general Pentium CPU is one voltage for and Core 3 3V 3 4V or 3 5V e JP16 CPU Core Voltage Setting CPU Core JP16 JP16 JP16 JP16 Voltage 1 2 3 4 5 6 7 8 3 5V P54C CS CLOSE CLOSE CLOSE CLOSE VRE 3 4V P54C CS OPEN CLOSE CLOSE CLOSE STD 3 3V CLOSE OPEN CLOSE CLOSE 3 2V OPEN OPEN CLOSE CLOSE 3 1V CLOSE CLOSE OPEN CLOSE 3 0V OPEN CLOSE OPEN CLOSE 2 9V CLOSE OPEN OPEN CLOSE 2 8V OPEN OPEN OPEN CLOSE 2 7V CLOSE CLOSE CLOSE OPEN 2 6V OPEN CLOSE CLOSE OPEN 2 5V CLOSE OPEN CLOSE OPEN 2 4V OPEN OPEN CLOSE OPEN 2 3V CLOSE CLOSE OPEN OPEN 2 2V OPEN CLOSE OPEN OPEN 2
10. RD BIOS 24 44 Getting Startseite atate Dice 24 4 2 Standard CMOS 25 4 3 BIOS Features 4 27 4 4 Chipset Features 28 4 5 Integrated Peripherals 29 4 6 Power Management 30 4 7 31 2 5 E Key Function a 5 32 Appendix A Watch Dog Timer 34 Introduction Welcome to the ROCKY 538TXV Pentium with VGA Single Board Computer The ROCKY 538TXV board is an ISA PCI form factor board which comes equipped with high performance Pentium CPU and advanced high performance multi mode I O designed for the system manufacturers integrators or VARs that want to provide all the performance reliability and quality at a reasonable price This board built in DiskOnChip YDOO Flash Disk for embedded application The DOC Flash Disk is 10096 compatible to hard disk User can use any DOS command without any extra software utility The DOC currently is available from 2MB to 72MB There also have PROMDISK Chip can be used in the same DOC socket as an alternative solution An advanced high performance super AT I O chip Winbond W83977TF is used in the ROCKY 538TXV board Both on chip UARTS are compatible with the NS16C550 The parallel port and IDE interface are compatible with IBM PC AT and XT archi
11. ROCKY 538 Pentium GA Single Board Computer Copyright 1997 All Rights Reserved Manual third edition Feb 01 1998 The information in this document is subject to change without prior notice in order to improve reliability design and function and does not represent a commitment on the part of the manufacturer In no event will the manufacturer be liable for direct indirect special incidental or consequential damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages This document contains proprietary information protected by copyright All rights are reserved No part of this manual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer Trademarks ROCKY 538TXV is registered trademarks of Acquire PC is a registered trademark of International Business Machines Corporation Intel is a registered trademark of Intel Corporation AMI is registered trademarks of American Megatrends Inc Other product names mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies Contents 1 Introduction imt 3 1 1 Specifications eed aa 4 12 What YOU Have 2 RR e Eget a 5 seat eae NI Ie HEINE 6 2 1 ROCKY 538TXV s
12. and SIMM2 11 2 5 Watch Dog Timer The Watch Dog Timer is enabled by reading port 443H It should be triggered before the time out period ends otherwise it will assume the program operation is abnormal and will issue a reset signal to start again or activate NMI to CPU The Watch Dog Timer is disable by reading port 043H JP6 Watch Dog Active Type Setting DESCRIPTION RESET WHEN WDT TIME OUT ACTIVATE NMI TO CPU WHEN WDT TIME OUT DISABLE WDT e JP7 WDT Time Out Period 12 34 OPEN OPEN 220 sec 2 6 DiskOnChip Flash Disk plug one The DiskOnChip Flash Disk Chip DOC is produced by M Systems Because the DOC is 100 compatible to hard disk and DOS Customer don t need any extra software utility It is just and play easy and reliable Right now the DOC is available from 2MB to 72MB There also have PROMDISK Chip tan be used with the same socket There have two sockets for the DOC Based on the two sockets customer could have two Flash Disk Drives And in the future the DOC and PROMDISK Chip will upgrade firmware to allow two flash disk chips combined to one drive At that time the total capacity will be up to 144MB The DiskOnChip will share only 8KB memory address for each 12 socket e JP15 DiskOnChip Memory Address Setting 1 JP15 Pin 1 2 Close address C8000H Flash Chip C8000H Pin 7 8 close Pin 9 10 close CAOOOH Pin 11 12 close CEOOOH Pin 1
13. d from I O port 443H must be performed This will enable and activate the countdown timer which will eventually time out and either reset the CPU or cause an NMI depending on the setting of JP6 To ensure that this reset condition does not occur the Watch Dog Timer must be periodically refreshed by reading the same I O port 433H This must be done within the time out period that is selected by jumper group JP7 A tolerance of at least 30 must be maintained to avoid unknown routines within the operating system DOS such as disk I O that can be very time consuming Therefore if the time out period has been set to 10 seconds the I O port 443H must be read within 7 seconds Note when exiting a program it is necessary to disable the Watch Dog Timer otherwise the system will reset 34
14. dby function will work well JP10 5V Standby Connector PIN NO DESCRIPTION 22 5V Standby Signal 1 Suspend Control Signal When connect to ATX power supply connector 20 pin please connect to the following pins ATX Power Supply 20 pin power connector 13 5 BENE 3 16 ATX Power Switch Soft Power Switch Connector When use the ATX power supply the system power is controlled by a momentary switch connected to this connector Push the botton once will switch the system between ON and SLEEP Pushing the switch while in the ON mode for more than 4 seconds will turn the system OFF The system power LED shows the status of the system s power e SW2 ATX Power Switch Soft Power Switch Connector PIN NO DESCRIPTION Switch Control Signal Switch Control Signal 23 AWARD BIOS Setup The ROCKY 538TXV uses the AWARD PCI ISA BIOS for system configuration The AWARD BIOS setup program is designed to provide maximum flexibility in configuring the system by offering various options which may be selected for end user requirements This chapter is written to assist you in the proper usage of these features 4 1 Getting Start When power on the system the BIOS will enter the Power On Self Test routines These routines will be executed for system test and initialization and system configuration verification After the POST routines are completed the following message appears Hit DEL if you want to
15. er enters suspend mode activated by the Power Management Under DOS environment you need to add DEVICE C DOS POWER EXE in your CONFIG SYS Under Windows 3 x and Windows 95 you have to install Windows with APM feature A battery and power cord icon labeled Power Will appear in the Control Panel 30 4 7 PNP PCI Configuration The PNP PCI Configuration help user handles the ROCKY 538TXV board s PCI function All PCI bus slots on the system use INTA thus all installed PCI slots must be set to this value PNP OS Installed Yes or No When PNP OS is installed interrupts may be reassigned by the OS when the setting is Yes When a non PNP OS is installed or to prevent reassigning of interrupt settings select setting to No 31 E Key Function The ROCKY 538TXV provides an outstanding E KEY unction for system integrator Based on the E KEYTWou could free to store the ID Code Pass Word or Critical Data in the 1Kbit EEPROM Because the EEPROM is nonvolatile memory you don t have to worry the losing of the very important data Basically the E KEY Ms based on a 1Kbit EEPROM which is configured to 64 words from 0 to 63 You could access read or write each word at any time When you start to use the E KEYTWou should have the utility in the package The software utility will include four files as follows README DOC E2KEY OBJ EKEYDEMO C EKEYDEMO EXE The E2KEY OBJ provides two library function for user to
16. in VGA connector directly to your CRT monitor And additional 10 pin header will help you do the internal connection to CRT screen in you embedded application J7 15 pin Female Connector 2 GREEN 3 __ 4 NC 5 GROUND 6 7 GROUND GROUND 9 10 pin Header Connector 6 GROUND 8 GROUND 9 VSYNC 3 13 Fan Connector The ROCKY 538TXV provides CPU cooling fan connector chassis fan connector These connectors can supply 12V 500mA to the cooling fan In the connector there have a rotation pin The rotation pin is to get the fan s rotation signal to system So the system BIOS could recognize the fan speed Please note 21 only specified fan offers the rotation signal e J12 CPU Fan Connector PIN NO DESCRIPTION Rotation Signal 12 e J13 Chassis Fan Connector PIN NO DESCRIPTION Rotation Signal 12V 3 14 Chassis Open Alarm Connector The connector is to get an open chassis signal A high level signal will go to the Chassis Open Alarm Connector when the chassis is opened e J11 Chassis Open Alarm Connector 2 Chassis Open Signal 2 Ground 3 15 5V Standby Connector for ATX power supply If you use the ATX power supply then you could connect the 5V standby connector to the power supply connector s 5V standby signal Then the stan
17. integrate their application with E KEY Munction These library read e2key and write e2key are written and compiled in C format Please check the following statement then you will know how to implement it easily unsigned int read e2key unsigned int address This function will return the E KEY TVs data at address The address range is from 0 to 63 Return data is one word 16 bits 32 void write_e2key unsigned int address unsigned data This function will write the given data to E KEY at address The address range is from 0 to 63 The data value is from 0 to Oxffff To easy start to use the function please refer the include EKEYDEMO C code at first Please note the E7KEY unction is based on the working of parallel port So you should enable the ROCKY 618V s parallel port otherwise will be not working Appendix A Watch Dog Timer 33 The Watch Dog Timer is provided to ensure that standalone systems can always recover from catastrophic conditions that caused the CPU to crash This condition may have occurred by external EMI or a software bug When the CPU stops working correctly hardware on the board will either perform a hardware reset cold boot or a non maskable interrupt NMI to bring the system back to a known state The Watch Dog Timer is controlled by two I O ports 443 Read Enable the refresh the Watch Dog hex Timer Disable the Watch Dog Timer hex To enable the Watch Dog Timer a rea
18. nsor under the bottom of CPU when set the CPU Warring Tempture to a certain limit which will help customer secure the system not burn out because of fan failed or other accident Hardware Monitoring Customer could see the working status of this board for Current CPU Temperature Current System Temperature Current CPUFAN1 Speed Current CPUFAN2 Speed Vcore votage Vio voltage 5V 5V 12V and 12 status 28 4 5 Integrated Peripherals This setup is almost working for Multi I O Chip W83977F These options are used to change the ChipSet s registers Please carefully change any default setting to meet your application need perfectly The only special concern is Onboard Serial Port2 If you are using the IrDA port you have to set this port accordingly 29 4 6 Power Management Setup Power Management Setup help user handles the ROCKY 538TXV board s green function The features could shut down the video display and hard disk to save energy for example The power management setup screen is as following Power Management Disable Max Saving Min Saving or User Defined Max Saving puts the system into power saving mode after a brief inactivity period Min Saving is almost the same as Max Saving except that the inactivity period is longer User Defined allows you to set power saving options according to your requirement Note Advanced Power Management APM have to be installed to keep the system time updated when the comput
19. run SETUP To access AWARD PCI ISA BIOS Setup program press Del key The following screen will be displayed at this time When choose Load BIOS Defaults will load the minimized settings for Troubleshooting The performance should be very poor when use this setting When choose Load Setup Defaults will load optimized defaults for regular use Choosing this setting will modify all applicable settings 24 4 2 Standard CMOS Setup The Standard CMOS Setup is used for basic hardware system configuration The main function is for Date Time setting and Floppy Hard Disk Drive setting Please refer the following screen for this setup For IDE hard disk drive setup please check the following possible 25 setup procedure 1 Use the Auto setting for detection during bootup 2 Use the IDE HDD AUTO DETECTION in the main menu to automatically enter the drive specifications 3 Manually enter the specifications by yourself from the User option Halt On All Errors You could choose All Errors No Errors All but Keyboard All but Diskette and All but Disk Key As for some embedded system which don t need keyboard and monitor in application then you could choose No Errors 4 3 BIOS Features Setup 26 This BIOS Features Setup is designed for customer s tuning best performance of the ROCKY 538TXV board As for normal operation customers don t have to change any default setting The default setting is pre set for most
20. tecture s In addition the ROCKY 538TXV provides four 72 pin SIMM Sockets and one 168 pin DIMM socket for its on board DRAM The RAM module accepts 1MB 2MB 4MB 8MB 16MB 32MB And 64MB So the total on board memory can be configured from 2MB to 256MB ROCKY 538TXV uses the advanced INTEL Chipset 430TX which is 10096 ISA PCI compatible chipset with PCI 2 1 standard 1 1 Specifications The ROCKY 538TXV Pentium with VGA Single Board Computer provides the following specification e CPU Pentium MMX up to 233Mhz AMD K5 K6 processor Cyrix 6x86 processor e Bus ISA bus and PCI 32 bit local bus PCI 2 1 standard e DMA channels 7 e interrupt levels 15 e Chipset Intel 430TX e PCI VGA with 2MB RAM Resolution 1280x1024 256 color 75Hz 1024x768 64K color 75Hz 800x600 full color 90Hz Real time clock calendar in 430TX chipset backup by industrial Li battery 3V 850mAH RAM memory 2MB to 256MB SDRAM EDO and standard DRAM supported e Second Cache memory 512KB Pipelined Burst SRAM on board e Ultra DMA 33 IDE Interface up to four PCI Enhance IDE hard drives The Ultra DMA 33 IDE can handle data transfer up to 33MB s The best of all is that is new technology is compatible with existing ATA 2 IDE specifications So there is no need to do any change for customer s current accessory e Floppy disk drive interface two 2 88 MB 1 44MB 1 2 720KB or 360KB floppy disk drives e Two high speed Series
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