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Chapter 5

SCSI Physical Characteristics

Page 52

Filepro CFP4207 Series

Input Characteristics

The characteristics of the input receivers and the requirements for each signal
received by the drive as measured at the drive connector are shown in table 5-3:

Table 5-3
Drive Input Signal Characteristics

Signal Characteristic

Value

Signal Assertion

0.0 VDC to 0.8 VDC

Signal Negation

2.0 VDC to 5.25 VDC

Input Load (low level)

-20 

µ

A to 0.0 mA at 0.5 VDC

Input Load (high level)

0.0 mA to 20 

µ

A at 2.7 VDC

Model-Specific SCSI Physical Characteristics

The sections which follow describe, for each of the drive models, those SCSI
characteristics which vary from model to model.  These characteristics include:

•

Termination

•

Cable requirements

•

Connector requirements

•

Connector Pin assignments

•

Interface Timing requirements

Содержание CFP4207 Series

Страница 1: ...CFP4207 Series Intelligent Disk Drive Product Manual October 1995 Pre Release Revision A 3081 Zanker Road San Jose CA 95134 2128 408 456 4500...

Страница 2: ......

Страница 3: ...receiver are on different branch circuits If necessary you should consult the dealer or an experienced radio television technician for additional suggestions You may find the following booklet prepare...

Страница 4: ...is conveyed to reproduce or translate any item herein disclosed without express written permission from Conner Peripherals Inc Conner Peripherals Inc provides this manual as is without warranty of an...

Страница 5: ...onfiguration 10 Physical Configuration 10 Performance Characteristics 11 Seek Times typical 11 Average Latency 11 Rotation Speed 0 1 11 Controller Overhead 11 Start Time Power Up 11 Stop Time at Power...

Страница 6: ...Address CFP4207E 28 Disabling Spin Up at Power On CFP4207E 29 Delaying Spin Up at Power On CFP4207E 29 Cabling the Drive CFP4207E 29 Attaching Power to the Drive CFP4207E 29 Mounting the Drive CFP4207...

Страница 7: ...unting Screw Holes 48 Cooling 49 5 Interface Physical Characteristics 51 Electrical Description 51 Output Characteristics 51 Input Characteristics 52 Model Specific SCSI Physical Characteristics 52 CF...

Страница 8: ...Signal Characteristics 63 Cable Requirements 63 Connector Requirements 64 Interface Pin Assignments 65 Interface Timing Requirements 66 6 SCSI Command Implementation 67 SCSI Command Summary 67 Drive...

Страница 9: ...inch high 3 5 inch 50 pin FAST 4295 MB CFP4207W 1 inch high 3 5 inch 68 pin FAST WIDE 4295 MB CFP4207WD 1 inch high 3 5 inch 68 pin FAST WIDE Differential 4295 MB The CFP4207WD drive is documented se...

Страница 10: ...512 KB segmentable cache buffer with adaptive cache management Least Recently Used LRU Cache replacement Automatic on the fly data error correction utilizing a 96 bit Reed Solomon EDAC Independent 48...

Страница 11: ...ctrical and firmware elements Mechanical Design Features The drive s hardware includes the components described in the following sections Figure 1 1 shows the drive top level assembly Figure 1 1 Drive...

Страница 12: ...n the base and cover to retard the entry of moisture and environmental contaminants from the assembly This assembly the head disk assembly contains an integral 0 3 micron filter which maintains a clea...

Страница 13: ...n This improves data reliability and allows the aerial density to be more uniform with radius The CFP4207 series contains ten sputtered thin film disks with twenty data surfaces and twenty read write...

Страница 14: ...SCSI transaction overhead is maintained by automating common SCSI bus phase sequencing using a state machine in the SCSI Interface Chip Read Write Channel The Read Write channel in addition to the pr...

Страница 15: ...command execution can be overlapped in multiple initiator or Tagged Command Queuing environments Functions such as seek re ordering and command coalescing can also be overlapped when the drive is oper...

Страница 16: ...Chapter 1 Overview of the Drives Page 8 Filepro CFP4207 Series...

Страница 17: ...this Chapter This chapter provides the following specifications for the drive drive capacity physical configuration performance characteristics read write characteristics reliability power requirement...

Страница 18: ...ace 3999 Track Density 0 Skew 4070 TPI Bytes per Block 512 1024 Blocks per Drive logical 8 388 608 Physical Configuration Data Rate Mbits sec Data Tracks per Zone per Surface User Sectors per Track Zo...

Страница 19: ...perating temperature The average seek time is determined by averaging the seek time for a minimum of 1000 seeks of random length over the surface of the disk Average Latency 4 17 milliseconds Rotation...

Страница 20: ...inch Host Interface Characteristics Command Set SCSI 2 refer to the Eleventh Generation SCSI Technical Reference Manual for command implementation Data Transfer Rate To from Buffer synchronous narrow...

Страница 21: ...ity Data Reliability 1 non recoverable error in 1014 bits read Component Design Life 5 years Start Stop Cycles 20 000 minimum Mean Time Between Failures 1 000 000 power on hours Projected MTBF based o...

Страница 22: ...Idle 780 mA 500 mA 11 9 W 12 8 W Standby 6 mA 620 mA 3 2 W 3 5 W Spin up 3 5 A 880 mA N A 3 7 A 2 1 Typical conditions are both voltages at nominal value room temperature 25 C ambient to the drive wi...

Страница 23: ...5G peak without non recoverable errors Non operating 50G without non recoverable errors Vibration swept sine one octave per minute Operating 5 32 Hz 0 010 inch displacement peak to peak 33 375 Hz 0 5...

Страница 24: ...iness Equipment UL 1950 Standard for Safety of Information Technology Equipment CSA 22 2 220 Information Processing and Business Equipment CSA 22 2 950 Safety of Information Technology Equipment IEC 3...

Страница 25: ...6 36 2 362 59 99 41 28 0 51 1 625 0 02 4 000 101 60 63 16 00 125 0 010 3 18 0 25 3 750 95 25 60 33 0 38 2 375 0 015 1 750 44 45 22 5 59 MAX INSERTION 4X 6 32 UNC 2B 0 41 10 41 MAXIMUM 153 0 016 3 89 0...

Страница 26: ...E8 SS LED J6 3 750 95 25 22 5 59 MAX INSERTION 1 750 44 45 4X 6 32 UNC 2B 41 10 41 MAXIMUM 60 33 0 38 2 375 0 015 125 0 010 3 18 0 25 975 0 005 24 77 0 13 190 0 016 4 83 0 41 69 44 0 46 2 734 0 018 4...

Страница 27: ...0 101 60 63 16 00 125 0 010 3 18 0 25 3 750 95 25 60 33 0 38 2 375 0 015 1 750 44 45 22 5 59 MAX INSERTION 4X 6 32 UNC 2B 0 41 10 41 MAXIMUM 2 720 0 018 69 09 0 46 198 0 016 5 03 0 41 01 0 25 4 00 00...

Страница 28: ...Chapter 2 Specifications Page 20 Filepro CFP4207 Series...

Страница 29: ...ations environment Adequate cooling must be provided when testing in this mode to ensure environmental limits are not exceeded Idle Mode occurs when the drive is not reading writing or seeking The mot...

Страница 30: ...ode The ROM code contains the basic SCSI operating code and code to support commands such as INQUIRY TEST UNIT READY REQUEST SENSE START STOP UNIT etc which may have to be responded to prior to the dr...

Страница 31: ...Command re ordering is controlled by Message Code Simple Head of Queue or Ordered Queue during the Message Phase Re ordering of seeks issued with a Simple Queue Tag message may also be restricted usi...

Страница 32: ...commands sequentially as they are received from the initiator s Commands from multiple initiators may be queued and overlapped so that the subsequent command can be parsed while the current command is...

Страница 33: ...ment but is part of the full segment read the drive will transfer the data as it becomes available Read Retention Off Read Retention Priority 1 The interface processor initiates a read forever command...

Страница 34: ...d in the buffer from the second write command in time to allow the medium to be written before an additional spindle revolution would be required Both writes are from the same initiator Neither write...

Страница 35: ...fore removing the equipment from its anti static bag discharge static electricity by touching your computer s metal chassis or any other grounded object while touching the anti static bag 3 Do not tou...

Страница 36: ...ce when the drive is plugged into the interface connector Setting the SCSI Bus Address CFP4207E The SCSI bus ID of the drive is set by grounding the Interface bus signals shown below in Table 4 4 Tabl...

Страница 37: ...abled Delaying Spin Up at Power On CFP4207E Grounding the DLYD_START signal on the interface delays spin up on power up by the value of the drive s SCSI ID multiplied by 4 seconds i e SCSI ID 4 will d...

Страница 38: ...mounting holes The drive may be mounted in any orientation Cooling The enclosure design for the drive must provide adequate provision for removing heat generated by the drive via conduction or air flo...

Страница 39: ...ocedure for a 8 bit 50 pin SCSI 2 interface model CFP4207S or CFP1007S drive Setting the Drive s Jumpers CFP4207S Figure 4 3 shows you where the drive s jumpers are located Figure 4 3 Jumper Locations...

Страница 40: ...d to select the SCSI Bus address This connector may also be used to cable the SCSI ID select to a remote switch A receptacle connector Amp P N 111622 1 or equivalent can be used to connect a ribbon ca...

Страница 41: ...pin up on Power On Out 1 Spin Disabled Note In Ground or TTL Low and Out Open or TTL High The odd numbered pin is grounded and the even numbered pin carries the signal Delaying Spin Up at Power On CFP...

Страница 42: ...4207S Power to the on board terminators is provided by the higher of the voltage supplied at Pin 26 J2 or the voltage level at the 5 Volt power input to the drive minus one diode drop Termination Powe...

Страница 43: ...device at the physical end of the bus Figure 4 4 shows the location of the terminator resistors Figure 4 4 Terminator Resistor Locations J3 J1 J4 J2 E8 SS LED J5 Remove to Disable TERMPWR Input Outpu...

Страница 44: ...able stubs should not exceed 0 1 meter 4 inches There should be 0 3 meters 12 inches of cable between drives The total cable length should not exceed 6 meters 20 feet and may have to be reduced if a m...

Страница 45: ...on board LED and is powered through a 200 ohm current limiting resistor to the 5 volt power Mounting the Drive CFP4207S The drive is designed to be used in applications where the unit may experience s...

Страница 46: ...d allow air flow above and below the drive to cool both the HDA and printed circuit board assembly The drive s should be positioned in the path of least resistance to the flow of air so that the flow...

Страница 47: ...Installing a CFP4207W Setting the Drive s Jumpers CFP4207W Figure 4 6 shows you where to access the drive s jumpers Figure 4 6 Jumper Locations J3 J1 J4 J2 E8 SS LED E1 E4 E7 Disable Parity E6 Delay...

Страница 48: ...en Out Open Out Open 1 In Ground Out Open Out Open Out Open 2 Out Open In Ground Out Open Out Open 3 In Ground In Ground Out Open Out Open 4 Out Open Out Open In Ground Out Open 5 In Ground Out Open I...

Страница 49: ...ut 0 Spin up on Power On Out 1 Spin Disabled Note In Ground or TTL Low and Out Open or TTL High The odd numbered pin is grounded and the even numbered pin carries the signal Delaying Spin Up at Power...

Страница 50: ...ter 5 The TERMPWR line can be disconnected from the drive by removing Jumper E8 Table 4 14 Disabling SCSI Bus TERMPWR Jumper E8 Result In TERMPWR J2 Pins 17 18 51 52 connected to the drive s internal...

Страница 51: ...ion of RST If SCSI ID SEL 1 is intended to be selected the host must provide a low impedance connection from SEL1 to VUNIQ or to ground while the ID is being latched through an appropriate means Refer...

Страница 52: ...CSI ID SEL3 is intended to be selected the host must provide a low impedance connection from SEL3 to XTACTV or to ground while the ID is being latched through an appropriate means Refer to chapter 5 f...

Страница 53: ...which are contained in three Single Inline Packs SIPs should be removed from the drive unless it is a SCSI device at the physical end of the bus Figure 4 7 shows the location of the terminator resist...

Страница 54: ...guidelines particularly with FAST SCSI 2 systems Do not route the data cable next to the drive PCB or any other high frequency or large current switching signals Improper drive operation can result fr...

Страница 55: ...to wire 26 of the 25 pair wire if terminator power has to be carried over the cable Figure 4 9 Wide to Narrow Adapter Ground 1 DB 12 2 Ground 3 DB 13 4 Ground 5 DB 14 6 Ground 7 DB 15 8 Ground 9 DB P1...

Страница 56: ...a 200 ohm current limiting resistor to the 5 volt power A third option is available on J5 which is between the 68 pin SCSI interface and the 4 pin power input on the unified connector The anode can be...

Страница 57: ...elow should remain at or below 55 C while the drive s are operated at the worst case condition The enclosure design should allow air flow above and below the drive to cool both the HDA and printed cir...

Страница 58: ...Chapter 4 Installing the Drive Page 50 Filepro CFP4207 Series...

Страница 59: ...drivers maintain a high impedance state during power on and power off cycles The driven signals have the following output characteristics when measured at the drive connector Table 5 1 Active Negation...

Страница 60: ...gnal Characteristic Value Signal Assertion 0 0 VDC to 0 8 VDC Signal Negation 2 0 VDC to 5 25 VDC Input Load low level 20 A to 0 0 mA at 0 5 VDC Input Load high level 0 0 mA to 20 A at 2 7 VDC Model S...

Страница 61: ...th proximity to ground and trace routing careful review of the back plane design and analysis of signal quality is highly recommended Connector Requirements The drive s connector will mate with a AMP...

Страница 62: ...when the drive is performing a SCSI operation The LED out signal is designed to pull down the cathode of an LED The anode is attached to the proper 5 volt supply through an appropriate current limitin...

Страница 63: ...I O 51 Ground 12 REQ 52 Ground 13 C D 53 Ground 14 SEL 54 Ground 15 MSG 55 Ground 16 RST 56 Ground 17 ACK 57 Ground 18 BSY 58 Ground 19 ATN 59 Ground 20 DB P0 60 Ground 21 DB 7 61 Ground 22 DB 6 62 G...

Страница 64: ...00 ns 800 ns Bus Set Delay 1 8 s 1 8 s 1 8 s Bus Settle Delay 400 ns 400 ns 400 ns Cable Skew Delay 1 4 ns 4 ns 4 ns Data Release Delay 400 ns 400 ns 400 ns Receive Assertion Period 22 ns 70 ns n a Re...

Страница 65: ...characteristics for any external source of termination power Table 5 10 TERMPWR Output Electrical Characteristics Signal Characteristic Value Supply voltage 4 06 VDC to 4 56 VDC Minimum source capabil...

Страница 66: ...mpedance of 70 to 100 ohms 84 ohms nominal is required In systems which use the fast synchronous transfer option the cable should meet the following additional requirements Table 5 12 Interface Cable...

Страница 67: ...onnector Socket 49 Socket 50 Socket 2 C8 Front view Contact 50 C4 C5 C2 Socket 1 C6 See Note 1 Contact 1 C3 Contacts for even wires are not shown C7 Side view C1 Back view Dimensions Millimeters Inche...

Страница 68: ...ND 10 DB4 11 GND 12 DB5 13 GND 14 DB6 15 GND 16 DB7 17 GND 18 DBP 19 GND 20 GND 21 GND 22 GND 23 RESERVED 24 RESERVED 25 OPEN 26 TERMPWR 27 RESERVED 28 RESERVED 29 GND 30 GND 31 GND 32 ATN 33 GND 34 G...

Страница 69: ...800 ns Bus Set Delay 1 8 s 1 8 s 1 8 s Bus Settle Delay 400 ns 400 ns 400 ns Cable Skew Delay 1 4 ns 4 ns 4 ns Data Release Delay 400 ns 400 ns 400 ns Receive Assertion Period 22 ns 70 ns n a Receive...

Страница 70: ...rminator Table 5 15 TERMPWR Electrical Output Characteristics Signal Characteristic Value Supply voltage 4 06 VDC to 4 56 VDC dependent on power supplied to the drive Minimum source capability 1500 mA...

Страница 71: ...more than 3 meters 9 84 feet cumulative length with at least 30 AWG wire size and a characteristic impedance of 70 to 100 ohms 84 ohms nominal is required In systems which use the fast synchronous tra...

Страница 72: ...tor PIN 35 A4 A7 A5 PIN 68 A12 V A2 PIN 1 M S S T V W A10 A11 A8 M S S T V W A9 A15 A14 A13 T PIN 34 W A1 A6 A3 A16 R DIMENSIONS Millimeters Inches A1 46 28 1 822 A2 5 69 0 224 A3 2 54 0 100 A4 1 27 0...

Страница 73: ...9 Ground 43 DB 3 10 Ground 44 DB 4 11 Ground 45 DB 5 12 Ground 46 DB 6 13 Ground 47 DB 7 14 Ground 48 DB P 15 Ground 49 Ground 16 Ground 50 Ground 17 TERMPWR 51 TERMPWR 18 TERMPWR 52 TERMPWR 19 Reser...

Страница 74: ...00 ns Bus Set Delay 1 8 s 1 8 s 1 8 s Bus Settle Delay 400 ns 400 ns 400 ns Cable Skew Delay 1 4 ns 4 ns 4 ns Data Release Delay 400 ns 400 ns 400 ns Receive Assertion Period 22 ns 70 ns n a Receive H...

Страница 75: ...ect Data 37H Read Extended 10 28H Read Long 3EH Reassign Blocks 07H Receive Diagnostics 1CH Release 17H Request Sense 03H Reserve 16H Re zero Unit 01H Seek 6 0BH Seek Extended 10 2BH Send Diagnostic 1...

Страница 76: ...per Logical Unit MSB 9 Alternate Tracks per Logical Unit LSB 10 Sectors per Track MSB 00H 11 Sectors per Track LSB 7D H 12 Data Bytes per Physical Sector MSB 02H 13 Data Bytes per Physical Sector LSB...

Страница 77: ...rleave value used by the drive Track Skew Factor Defines the number of physical sectors between the last logical block of one track and the first logical block on the next sequential track of the same...

Страница 78: ...on 00H 8 Starting Cylinder Write Precompensation LSB 00H 9 Starting Cylinder Reduced Write Current MSB 10 Starting Cylinder Reduced Write Current 11 Starting Cylinder Reduced Write Current LSB 12 Driv...

Страница 79: ...ronization SS pins daisy chained together to synchronize their spindles Notch and Partition Parameters Page 0CH The Notch and Partition Parameters Page contains information which pertains to each notc...

Страница 80: ...e Notch MSB 00H 7 Active Notch LSB 0H 1 H 8 Starting Boundary MSB 00 H 9 Starting Boundary 00 H 10 Starting Boundary 08 H 11 Starting Boundary LSB 00 H 12 Ending Boundary MSB 00 H 13 Ending Boundary 0...

Страница 81: ...SELECT command Active notches are numbered beginning from one up to the maximum number of notches The Starting Boundary field indicates the beginning of the active notch the three most significant by...

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