Xbox Hard Disk Technical Details

by Michael Steil (original version: 1 May 2002, updated 26 September 2002)

Seagate (10 GB)

Harddisk information as reported by hdparm -i

Model=ST310211A, FwRev=6.55, SerialNo=6DB2WQW2
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=512kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=19541088
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4 
DMA modes: mdma0 mdma1 mdma2 udma0 udma1 *udma2 
AdvancedPM=no WriteCache=enabled
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4 

Detailed information as reported by hdparm -I

non-removable ATA device, with non-removable media
        Model Number:           ST310211A                          
    
        Serial Number:          6DB2WQW2            
        Firmware Revision:      6.55    
Standards:
        Supported: 1 2 3 4 
        Likely used: 5
Configuration:
        Logical         max     current
        cylinders       16383   16383
        heads           16      16
        sectors/track   63      63
        bytes/track:    0               (obsolete)
        bytes/sector:   0               (obsolete)
        current sector capacity: 16514064
        LBA user addressable sectors = 19541088
Capabilities:
        LBA, IORDY(can be disabled)
        Buffer size: 512.0kB    Queue depth: 1
        Standby timer values: spec'd by standard
        r/w multiple sector transfer: Max = 16  Current = 16
        DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5

             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4 
             Cycle time: no flow control=240ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    READ BUFFER cmd
           *    WRITE BUFFER cmd
           *    Host Protected Area feature set
           *    look-ahead
           *    write cache
           *    Power Management feature set
           *    Security Mode feature set
                SMART feature set
                SET MAX security extension
           *    DOWNLOAD MICROCODE cmd
Security: 
                supported
                enabled
        not     locked
        not     frozen
        not     expired: security count
        not     supported: enhanced erase
        Security level high
HW reset results:
        CBLID- below Vih
        Device num = 1
Checksum: correct

Hard disk performance measured by hdparm -t

Timing buffered disk reads:  64 MB in  3.51 seconds = 18.23 MB/sec
Timing buffer-cache reads:   128 MB in  0.85 seconds =150.59 MB/sec

Western Digital (8 GB)

Harddisk information as reported by hdparm -i

Model=WDC WD80EB-28CGH1, FwRev=24.84G24, SerialNo=***************
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=15509/16/63, TrkSize=57600, SectSize=600, ECCbytes=40
BuffType=DualPortCache, BuffSize=768kB, MaxMultSect=16, MultSect=off
CurCHS=15509/16/63, CurSects=15633072, LBA=yes, LBAsects=15633072
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes:  pio0 pio1 pio2 pio3 pio4 
DMA modes:  mdma0 mdma1 *mdma2 
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 
AdvancedPM=no WriteCache=enabled
Drive conforms to: device does not report version:  1 2 3 4 5

Detailed information as reported by hdparm -I

ATA device, with non-removable media
        Model Number:       WDC WD80EB-28CGH1                      

        Serial Number:      *************** 
        Firmware Revision:  24.84G24
Standards:
        Supported: 5 4 3 2 
        Likely used: 6
Configuration:
        Logical         max     current
        cylinders       15509   15509
        heads           16      16
        sectors/track   63      63
        --
        CHS current addressable sectors:   15633072
        LBA    user addressable sectors:   15633072
        device size with M = 1024*1024:        7633 MBytes
        device size with M = 1000*1000:        8004 MBytes (8 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        bytes avail on r/w long: 40     Queue depth: 1
        Standby timer values: spec'd by Standard, with device specific minimum
        R/W multiple sector transfer: Max = 16  Current = 0
        Recommended acoustic management value: 128, current value: 254
        DMA: mdma0 mdma1 *mdma2 udma0 udma1 udma2 udma3 udma4 udma5

             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4 
             Cycle time: no flow control=120ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    READ BUFFER cmd
           *    WRITE BUFFER cmd
           *    Host Protected Area feature set
           *    Look-ahead
           *    Write cache
           *    Power Management feature set
           *    Security Mode feature set
           *    SMART feature set
                Automatic Acoustic Management feature set 
                SET MAX security extension
           *    DOWNLOAD MICROCODE cmd
Security: 
                supported
                enabled
        not     locked
        not     frozen
        not     expired: security count
        not     supported: enhanced erase
        Security level high
HW reset results:
        CBLID- above Vih
        Device num = 0 determined by CSEL
Checksum: correct

Hard disk performance measured by hdparm -t

Timing buffered disk reads:  64 MB in  6.58 seconds =  9.73 MB/sec
Timing buffer-cache reads:   128 MB in  3.28 seconds = 39.02 MB/sec

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