Compaq ProSignia 500 Compaq ProSignia Family of PC Servers Maintenance and Ser - Page 65

Read/Write Capacity per Diskette, Table 5-5. IDE Hard Drives - prosignia 300

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* COMPAQ only supports 16-MB SIMMS that use 16-megabit DRAM chips. SIMM modules that use 4-megabit DRAM chips are not supported. # The COMPAQ ProSignia supports a maximum of 128 MB of system RAM. The standard 4 or 8 megabytes of system board memory will be ignored if all 4 SIMM sockets have 32-MB SIMMs installed. Table 5-4. Internal Diskette Drives 1.44-MB (standard) 1.2-MB (optional) Size 3 1/2-In 5 1/4-In LED Indicators (front panel) Green Green Read/Write Capacity per Diskette (high/low density) 1.44 MB/720 KB 1.2 MB/360 KB Drive Supported One One Drive Height One-third One-third Drive Rotation (rpm) 300 360 Transfer Rate bits/sec (high/low) 500 K/250 K 500 K/300 K Bytes/Sector 512 512 Sectors/Track (high/low) 18/9 15/9 Tracks/Side (high/low) 80/80 80/40 Access Times: Track-to-Track (high/low) 3 ms/6 ms 3 ms/10 ms Average (high/low) 169/94 ms 148.3 ms/95 ms Settling Time 15 ms 15 ms Latency Average 100 ms 84 ms Cylinders (high/low) 80/80 80/40 Read/Write Heads Two Two Table 5-5. IDE Hard Drives 510-MB 340-MB 210-MB Height Half Half Half Size 3.5 in 3.5 in 3.5 in Drive Type 61 63 51 Controller Integrated Integrated Integrated Logical Configuration: Cylinders 989 659 683 Heads 16 16 16 Sectors per Track 63 63 38 Bytes per Sector 512 512 512

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* COMPAQ only supports 16-MB SIMMS that use 16-megabit DRAM chips. SIMM
modules that use 4-megabit DRAM chips are not supported.
# The COMPAQ ProSignia supports a maximum of 128 MB of system RAM. The
standard 4 or 8 megabytes of system board memory will be ignored if all 4
SIMM sockets have 32-MB SIMMs installed.
===========================================================================
Table 5-4. Internal Diskette Drives
===========================================================================
1.44-MB (standard)
1.2-MB (optional)
---------------------------------------------------------------------------
Size
3 1/2-In
5 1/4-In
---------------------------------------------------------------------------
LED Indicators (front panel)
Green
Green
---------------------------------------------------------------------------
Read/Write Capacity per Diskette
(high/low density)
1.44 MB/720 KB
1.2 MB/360 KB
---------------------------------------------------------------------------
Drive Supported
One
One
---------------------------------------------------------------------------
Drive Height
One-third
One-third
---------------------------------------------------------------------------
Drive Rotation (rpm)
300
360
---------------------------------------------------------------------------
Transfer Rate bits/sec
(high/low)
500 K/250 K
500 K/300 K
---------------------------------------------------------------------------
Bytes/Sector
512
512
---------------------------------------------------------------------------
Sectors/Track (high/low)
18/9
15/9
---------------------------------------------------------------------------
Tracks/Side (high/low)
80/80
80/40
---------------------------------------------------------------------------
Access Times:
Track-to-Track (high/low)
3 ms/6 ms
3 ms/10 ms
Average (high/low)
169/94 ms
148.3 ms/95 ms
Settling Time
15 ms
15 ms
Latency Average
100 ms
84 ms
Cylinders (high/low)
80/80
80/40
Read/Write Heads
Two
Two
===========================================================================
Table 5-5. IDE Hard Drives
===========================================================================
510-MB
340-MB
210-MB
---------------------------------------------------------------------------
Height
Half
Half
Half
---------------------------------------------------------------------------
Size
3.5 in
3.5 in
3.5 in
---------------------------------------------------------------------------
Drive Type
61
63
51
---------------------------------------------------------------------------
Controller
Integrated
Integrated
Integrated
---------------------------------------------------------------------------
Logical Configuration:
Cylinders
989
659
683
Heads
16
16
16
Sectors per Track
63
63
38
Bytes per Sector
512
512
512
---------------------------------------------------------------------------