Acer Aspire 3670 Series, Service Manual, Page: 49 / 124

Chapter 1 41
Capacity (MB) 40000 60000 80000
Bytes per
sector 512 512 512
Data heads 2 3 4 (for Samsung/WD)
3 (for Seagate)
Drive Format
Disks 1 2 2
Spindle speed
(RPM) 4200 RPM 5400 RPM 5400 RPM
Performance Specifications
Buffer size 2048KB 2MB 8MB
Interface ATA/ATAPI-6; ATA-6 ATA/ATAPI-6; ATA-6 ATA/ATA-6; ATA-6
Max. media
transfer rate
(disk-buffer,
Mbytes/s) 372 350 350
Data transfer
rate
(host~buffer,
Mbytes/s) 100 MB/Sec.
Ultra DMA mode-5 100 MB/Sec.
Ultra DMA mode-5 100 MB/Sec.
Ultra DMA mode-5
DC Power Requirements
Voltage
tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
Combo Drive Interface
Item Specification
Vendor & model name HLDS GCC-4244N
Philips SCB5265
Panasonic UJDA770
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) Sustained:
Max 3.6Mbytes/sec Sustained:
Max 10.8Mbytes/sec
Buffer Memory 2MB
Interface Enhanced IDE(ATAPI) compatible
Hard Disk Drive Interface
Item