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Chapter 5

SCSI Physical Characteristics

Page 54

Filepro CFP2105 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

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Содержание CFP2105 series

Страница 1: ...CFP2105 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: ...Configuration 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 Powe...

Страница 6: ...Bus Address CFP2105E 28 Disabling Spin Up at Power On CFP2105E 29 Delaying Spin Up at Power On CFP2105E 29 Cabling the Drive CFP2105E 29 Attaching Power to the Drive CFP2105E 30 Mounting the Drive CF...

Страница 7: ...47 Cooling 47 5 Interface Physical Characteristics 49 Electrical Description 49 Output Characteristics 49 Input Characteristics 50 Model Specific SCSI Physical Characteristics 50 CFP2105E WIDE 80 pin...

Страница 8: ...61 Cable Requirements 61 Connector Requirements 62 Interface Pin Assignments 64 Interface Timing Requirements 65 6 SCSI Command Implementation 67 SCSI Command Summary 67 Drive Dependent SCSI Data Erro...

Страница 9: ...inch high 3 5 inch 80 pin Single Connector FAST WIDE 2147 MB CFP2105S 1 inch high 3 5 inch 50 pin FAST 2147 MB CFP2105W 1 inch high 3 5 inch 68 pin FAST WIDE 2147 MB For simplicity we often refer to...

Страница 10: ...coil actuator with embedded servo system No thermal recalibration required to maintain performance levels High Shock resistance Automatic actuator latch against the inner stop upon power down with de...

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: ...retard the entry of moisture and environmental contaminants The head disk assembly contains an integral 0 3 micron filter which maintains a clean environment Critical drive components are contained wi...

Страница 13: ...of radial position This improves data reliability and allows the aerial density to be more uniform with radius The CFP2105 series contains five sputtered thin film disks with ten data surfaces and te...

Страница 14: ...r Low 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 t...

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 CFP2105 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: ...rface 3948 Track Density 0 Skew 4030 TPI Bytes per Block 512 Blocks per Drive logical 4 194 304 Physical Configuration Data Rate Mbits sec Data Tracks per Zone per Surface User Sectors per Track Zone...

Страница 19: ...and nominal operating 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 5 56 millise...

Страница 20: ...per 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 na...

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: ...1 mA 640 mA 3 2 W 3 4 W Spin up 1 7 A 700 mA N A N A 1 Typical conditions are both voltages at nominal value room temperature 25 C ambient to the drive without terminators installed Maximum power is w...

Страница 23: ...G peak without non recoverable errors Non operating 75G without non recoverable errors Vibration swept sine one octave per minute Operating 5 32 Hz 0 010 inch displacement peak to peak 33 400 Hz 0 5G...

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: ...36 2 362 59 99 25 40 0 51 1 00 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 41...

Страница 26: ...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 25 40 0 51 1 00 0 02 975 0 005 24 77 0 13 190 0 016 4 83 0 41 69 44...

Страница 27: ...0 51 1 00 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 2 720 0 018 69 09 0 46 190 0 016 4 83 0...

Страница 28: ...Chapter 2 Specifications Page 20 Filepro CFP2105 Series...

Страница 29: ...is reading or writing Idle Mode occurs when the drive is not reading writing or seeking The motor is up to speed and the Drive Ready condition exists The actuator is residing on the last accessed tra...

Страница 30: ...gh the interface This code is referred to as RAM code because it is read from the disk and is loaded into static RAM after power is applied to the disk as soon as the drive is able to read from the di...

Страница 31: ...and for non read or write data information transfers The buffer block size is equal to the data block size typically 512 B plus the 4 bytes of buffer CRC appended to each block refer to the Electrical...

Страница 32: ...nt 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 t...

Страница 33: ...s address consecutive logical block ranges At least one logical block of data has been received in the buffer from the second write command in time to allow the medium to be written before an addition...

Страница 34: ...restricted using the Queue Algorithm Modifier bits in MODE SELECT page 0AH Refer to the Eleventh Generation SCSI Interface Manual for additional information on Messages and MODE SELECT page 0AH Buffer...

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: ...he drive is plugged into the interface connector Setting the SCSI Bus Address CFP2105E The SCSI bus ID of the drive is set by grounding the Interface bus signals shown below in Table 4 4 Table 4 4 Set...

Страница 37: ...led Open 0 Spin up on Power On Open 1 Spin Disabled Delaying Spin Up at Power On CFP2105E Grounding the DLYD_START signal on the interface delays spin up on power up by the value of the drive s SCSI I...

Страница 38: ...etween devices should either be spaced shorter than the stub length which treats a group of devices as a lumped element or far enough apart that a transmission line exists 0 3 meters or 12 inches Thes...

Страница 39: ...e 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 f...

Страница 40: ...n procedure for a 8 bit 50 pin SCSI 2 interface model CFP2105S drive Setting the Drive s Jumpers CFP2105S Figure 4 3 shows you where the drive s jumpers are located Figure 4 3 Jumper Locations J1 J4 J...

Страница 41: ...sed 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...

Страница 42: ...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 CFP2105S...

Страница 43: ...FP2105S 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 Po...

Страница 44: ...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 Output...

Страница 45: ...Cable 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...

Страница 46: ...board LED and is powered through a 200 ohm current limiting resistor to the 5 volt power Mounting the Drive CFP2105S The drive is designed to be used in applications where the unit may experience sho...

Страница 47: ...uld 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 flo...

Страница 48: ...nstalling a CFP2105W Setting the Drive s Jumpers CFP2105W 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 Sp...

Страница 49: ...Open 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...

Страница 50: ...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 On...

Страница 51: ...43 Disabling the SCSI Bus Parity CFP2105W SCSI parity is always enabled in both directions unless the E7 Parity disable jumper is installed Setting the jumper will cause the drive to ignore SCSI bus...

Страница 52: ...it Using the J5 Auxiliary Connector External logic cabled to the J5 connector may be used to control certain characteristics of the drive or access signals Table 5 15 J5 Auxiliary Connector Signal Def...

Страница 53: ...gnal is an open collector output available for Vendor Unique usage This signal is not supported but meets the requirement of negating the signal while the ID is being read SEL2 Bit 2 of the binary cod...

Страница 54: ...rough an appropriate means Refer to chapter 5 for specific electrical characteristics of these signals XTACTV This signal is an open collector output intended to drive an LED to indicate the device is...

Страница 55: ...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 56: ...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 57: ...MPWR which must be joined 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 Groun...

Страница 58: ...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 59: ...below 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 ci...

Страница 60: ...Chapter 4 Installing the Drive Page 52 Filepro CFP2105 Series...

Страница 61: ...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 62: ...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 63: ...can result from improper signal routing Signal line stubs should not exceed 0 1 meter 4 inches There should be 0 3 meters 12 inches of transmission line between drives The total length of any signal l...

Страница 64: ...as possible among the pins The maximum current is required while the drive motor is starting Three 5 Volt signal pins provide 5 volt power to the drive The current return for the 5 volt power is thro...

Страница 65: ...resistor are external to the drive Table 5 5 Output Characteristics of the LED Driver Signal State Current Drive Available Output Voltage Drive LED Off 0 IOH 100 A Drive LED On IOL 30 mA 0 VOL 0 8 Vo...

Страница 66: ...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 Gro...

Страница 67: ...800 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...

Страница 68: ...aracteristics 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 capabilit...

Страница 69: ...impedance 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 Cabl...

Страница 70: ...nector 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 Inches...

Страница 71: ...GND 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...

Страница 72: ...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 73: ...terminator 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...

Страница 74: ...re 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 trans...

Страница 75: ...Figure 5 4 P Cable Connector 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 2...

Страница 76: ...Chapter 5 SCSI Physical Characteristics Page 68 Filepro CFP2105 Series A15 3 02 MIN 0 119 MIN A16 1 02 0 25 0 040 0 010...

Страница 77: ...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 78: ...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 79: ...SCSI Physical Characteristics Chapter 5 Technical Reference Manual Page 71...

Страница 80: ......

Страница 81: ...e 1AH Read 6 08H Read Buffer 3CH Read Capacity 25H Read Defect Data 37H Read Extended 10 28H Read Long 3EH Reassign Blocks 07H Receive Diagnostics 1CH Release 17H Request Sense 03H Reserve 16H Re zero...

Страница 82: ...es that motor spin up at power on is enabled When set to one it indicates that motor spin up at power on is disabled DAD Disable Automatic Disconnects This bit has impact only when the drive is operat...

Страница 83: ...n up is delayed at power on by the value of the drive s SCSI ID times 4 seconds i e SCSI ID 4 will delay 16 seconds Delay Time When set to a value other than zero specifies the spin up delay constant...

Страница 84: ...racks per Logical Unit MSB 9 Alternate Tracks per Logical Unit LSB 10 Sectors per Track MSB 00H 11 Sectors per Track LSB 8C H 12 Data Bytes per Physical Sector MSB 02H 13 Data Bytes per Physical Secto...

Страница 85: ...leave 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 86: ...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 Drive Step Rate MSB 1...

Страница 87: ...onization 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 notch...

Страница 88: ...Active 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 Boun...

Страница 89: ...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 byt...

Страница 90: ...Revision A June 1995 deleted reference to spindle synchronization changed sector sizes supported to 512 1024 eliminated reference to e coating on page 4 corrected controller overhead definition update...

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