Maxtor 86480D8 Specifications Page 58
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INTERFACE COMMANDS
7 – 58
Initialize Drive Parameters
Enables the drive to operate as any logical drive type. The drive will always be in the translate mode because of
Zone Density Recording, which varies the number of sectors per track depending on the zone. Through setting
the Sector Count Register and Drive Head Register, this command lets the host alter the drive's logical
configuration. As a result, the drive can operate as any equal to or less than capacity drive type. Do not exceed the
total number of sectors available on the drive:
When this command is executed, the drive reads the Sector Counter Register and the Drive Head Register (and
so determines the number of the logical sectors per track and maximum logical head number per cylinder and will
calculate the number of logical cylinders.)
Upon receipt of the command, the drive:
1. Sets BSY,
2. Saves the parameters,
3. Resets BSY and
4. Generates an interrupt.
To specify maximum heads, write 1 less than the maximum (e.g. write 4 for a 5 head drive). To specify maximum
sectors, specify the actual number of sectors (e.g. 17 for a maximum of 17 sectors/track).
The sector count and head values are not checked for validity by this command. If they are invalid, no error will
be posted until an illegal access is made by some other command.
Moves the read/write heads from anywhere on the disk to cylinder 0.
When this command is received, the drive:
1. Sets BSY and
2. Issues a seek to cylinder zero.
The drive waits for the seek to complete, then the drive:
1. Updates status,
2. Resets BSY and
3. Generates an interrupt.
If the drive cannot reach cylinder 0, the Error bit is set in the Status register, and the Track 0 bit is set in the
Error register.
NOTE: If a maximum head and sector number is selected – such that the number of cylinders will exceed 65,535 – then
the maximum cylinder value will be reduced to 65, 535.
- DiamondMax™ 1750 UDMA 1
- Revisions Manual No. 1381 2
- Before You Begin 3
- Contents 4
- Glossary 6
- Figure Title Page 7
- SECTION 1 8
- Introduction 8
- Conventions 9
- SECTION 2 10
- Product Description 10
- Product Features 11
- Logical Block Addressing 12
- Defect Management Zone (DMZ) 12
- Software ECC Correction 12
- Cache Management 13
- Major HDA Components 14
- 4092 Cylinder Limitation 15
- Subsystem Configuration 15
- Jumper Location/Configuration 15
- SECTION 3 16
- Product Specifications 16
- Physical Dimensions 17
- Power Requirements (Average) 18
- Power Mode Definitions 18
- Environmental 18
- Reliability and Maintenance 19
- Data Reliability 19
- Acoustic Noise 19
- EPA Energy Star Compliance 19
- Shock and Vibration 19
- Standard Test Methods 20
- Safety Regulatory Compliance 20
- SECTION 4 21
- Handling and Installation 21
- Unpacking and Inspection 22
- Repacking 23
- Physical Installation 23
- Drive Jumper Settings 24
- Mounting Drive in System 24
- Figure 4 - 6 25
- 5.25-inch Installation 25
- Figure 4 - 7 25
- 3.5-inch Installation 25
- Figure 4 - 8 26
- Attaching System Cables 27
- System Setup 28
- System Hangs During Boot 29
- Hard Drive Preparation 30
- SECTION 5 31
- AT Interface Description 31
- Pin Description Table 32
- PIO Timing 33
- DMA Timing 34
- Ultra DMA Timing 35
- Figure 5 - 5 36
- Figure 5 - 6 36
- Figure 5 - 7 37
- Figure 5 - 8 37
- Figure 5 - 9 38
- Figure 5 - 10 38
- Figure 5 - 11 39
- Figure 5 - 12 39
- Figure 5 - 13 40
- SECTION 6 41
- Host Software Interface 41
- Sector Count Register 42
- Sector Number Register 42
- Cylinder Number Registers 42
- Device/Head Register 42
- Status Register 42
- Command Register 43
- HOST SOFTWARE INTERFACE 44
- Control Diagnostic Registers 45
- Reset and Interrupt Handling 46
- SECTION 7 47
- Interface Commands 47
- Read Commands 48
- Read DMA 49
- Read Multiple 49
- Set Multiple Mode 49
- Write Commands 50
- Write Multiple 51
- Write DMA 51
- Set Feature Commands 52
- Power Mode Commands 53
- INTERFACE COMMANDS 54
- Initialization Commands 55
- Initialize Drive Parameters 58
- ERROR CODE DESCRIPTION 59
- 01 No error detected 59
- 00 Master drive failed 59
- 81 Slave drive failed 59
- S.M.A.R.T. Command Set 60
- SECTION 8 61
- Service and Support 61
- Service 62
- Internet 62
- Bulletin Board Service 62
- Customer Service 62
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