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Storage Architectures and Devices 121
4.6.1.1 4.5 GB Ultra SCSI 16-Bit Disk Drive (# 2900)
The 4.5 GB Ultra SCSI 16-bit disk drive is a high performance disk drive that
provides 4.5 GB capacity that supports the Ultra SCSI interface speed of 40
MB/s. To operate at 40 MB/s, Ultra-SCSI adapter (# 6206) is required.
4.6.1.2 4.5 GB Ultra SCSI 16-Bit Enhanced Disk Drive (# 3028)
The 4.5 GB Ultra SCSI 16-bit Enhanced Disk Drive is a high-performance
disk drive that provides 4.5 GB capacity that supports the Ultra SCSI
interface speed of 40 MB/s. It requires Ultra SCSI adapter (# 6206) to operate
at 40 MB/s (only available for Model 260).
4.6.1.3 9.1 GB Ultra-SCSI 16-Bit 1-Inch High Disk Drive (# 2908)
The 9.1 GB Ultra SCSI 16-Bit 1-inch (25 mm) high disk drive offers high
performance that provides 9.1 GB of storage capacity and supports the
industry Ultra SCSI interface speed of 40 MB/s. To operate at 40 MB/s, Ultra
SCSI adapter (# 6206) is required.
4.6.1.4 9.1GB Ultra SCSI 16-Bit Enhanced Disk Drive (# 3029)
The 9.1 GB Ultra SCSI 16-bit 1-inch (25 mm) High Disk Drive offers
high-performance that provides 9.1 GB of storage capacity and supports the
industry Ultra -SCSI interface speed of 40 MB/s. It requires an Ultra SCSI
adapter (# 6206) to operate at 40 MB/s (only available for Model 260).
Table 29. Internal Disk Drives for the Models 150 and 260
4.6.2 Internal CD-ROM Drive
Table 30 on page 122 provides an overview of the supported CD-ROM drives
for the Models 150 and 260. The 32X max SCSI-II Internal CD-ROM drive is a
tray loading CD-ROM drive providing up to 4800 KB/sec maximum media
data transfer rate. It is a 5.25 inch half-high form factor, single-ended, 8-bit,
multi-session capable, CD-ROM drive that provides state-of-the-art
Capacity 4.5 GB 9.1 GB
Feature Code # 2900 or # 3028 # 2908 or # 3029
Maximum Media Data Transfer Rate 13.7 MB/s 22.4 MB/s
Average Seek Time 7.9 ms 6.7 ms
Rotational Speed 7200 RPM 7200 RPM
Average Latency 4.17 ms 4.17 ms
SCSI Interface Ultra SCSI Ultra SCSI
Data Width 16-bit, single-ended 16-bit, single-ended