Acer 2600 manual Hard Disk Drive Interface, CD-ROM Interface, Items Specification

.

Hard Disk Drive Interface

Item
Vendor & Model	HGST Moraga	HGST Moraga	HGST Moraga
Name	IC25N030ATMR04	IC25N040ATMR04-	IC25N060ATMR04-0
	Fujitsu V-40 MHT2030AT	TOSHIBA Pluto 40G	HGST Fresno DK23FA-60
	Seagate N1 ST93015A	MK4025GAS	TOSHIBA Neptune
		Fujitsu V40+ MHT2040AT	MK6021GAS
		Seagate N1 ST94019A
Capacity (MB)	30000	40000	60000
Bytes per sector	512	512	512
Logical heads	16	16	16
Logical sectors	63	63	63
Drive Format
Logical cylinders	16383	16383	16383
Physical read/write	2/Not show/2	2/Not show/2/2	3/4
heads
Disks	1/Not show/1	1/Not show/1/1	2
Spindle speed (RPM)	4200RPM	4200RPM	4200RPM
Performance Specifications
Buffer size	2MB	2MB/8MB for Toshiba	2MB/8MB for HGST
Interface	ATA-5 for other vendors /ATA-	ATA-5 for other vendors /ATA-	ATA-5 for other vendors /ATA-
	6 for HGST and Toshiba	6 for HGST	6 for HGST
Data transfer rate	350	350	350
(disk-buffer, Mbytes/
s)
Data transfer, rate	100 MB/Sec	100 MB/Sec	100MB/Sec
(host~buffer, Mbytes/
s)
DC Power Requirements
Voltage tolerance	5 +/- 5%	5 +/- 5%

CD-ROM Interface

Items		Specification
Vendor & Model Name	QSI SCR242
	Mitsumi SR244W1
Performance Specification
Brust Data Transfer rate	PIO mode 4:
	16.7	MB/sec Max. (Mode 0~4)
	Multi-word DMA mode 2:
	16.7	MB/sec Max. (Mode 0~2)
	Ultra DMA mode 2:
	33.3MB/sec Max.
Access time (typ.)	QSI-
	Random: 90 ms
	Full Stroke:	180 ms
	Mitsumi-
	Random: 100 ms
	Full Stroke:	240 ms

22 Chapter 1